Leica 77 Brochure Download

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Leica Sport Optics

Binoculars, rangefinders and spotting scopes for successful hunting

Summary of Contents for 77

Page 1: ...Leica Sport Optics Binoculars rangefinders and spotting scopes for successful hunting ...

Page 2: ...vid class 40 LEICA TRINOVID BN 42 series 41 LEICA TRINOVID BN 32 series 42 LEICA TRINOVID BCA 25 series and LEICA TRINOVID BCA 20 series 43 The Trinovid class Key features at a glance 47 The Televid class 50 LEICA TELEVID 77 series 51 LEICA APO TELEVID 77 series 52 LEICA TELEVID 62 series 53 LEICA APO TELEVID 62 series 54 The Televid class Key features at a glance 56 Leica Digiscoping 59 The Geovi...

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Page 5: ...itations while at the same time ensuring un mistakable Leica quality Our engineers and developers thrive on the challenge put forth by people with the highest standards and expect ations in optical performance As multi faceted as their applications so too are the methods used to create sport optics products that display images rich in contrast and with outstanding color rendition Glass containing ...

Page 6: ...The reason for this being that Leica binoculars spotting scopes and laser rangefinders are the result of many years of experience uncomprom ising quality standards and a continuing dedication to excellence Leica s product development is driven by international Innovation Teams comprised of experts and users This approach has resulted in numerous patents e g the multifunction center drive of our fu...

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Page 8: ...as its own hunting laws and to the visitor the UK might appear restrictive and traditional in fact nothing could be further from the truth First and perhaps most importantly is the fact that you don t need a hunting permit as you might in America ...

Page 9: ...e not so distant future they will probably become a quarry species like deer Hunting in the UK is done a lot from high seats which is a highly practical method Firing downwards gives you a safe backstop so the seats can be sited in areas where a horizontal shot might not be safe Plus and usually on estates they can be positioned overlooking where the deer will appear to feed so very much guarantee...

Page 10: ...ed is the Chinese Water Deer which sticks to wetland areas as the name suggest We naturally have open hunting and closed no hunting seasons as to gender and species type these differ as to the country with England and Wales being the same though Scotland is different It s interesting to note that the Red Sika hybrids are treated like vermin species in England Wales no closed season though not in S...

Page 11: ... And without doubt this one will remain with me for ever But it was the does that we were after that day and in another shooting box we sat at the end of a ride in a wood The box is roofed so no problems about the rain and has three rifle ports We saw a lot of deer that afternoon mainly bucks and as the light was drawing in I spotted a doe coming up through the foliage She was with other who had f...

Page 12: ...d the field to the farm The field dips down to a deep ditch then up again into another hill field of sugar beat To my surprise another big Fallow buck appeared at the top left of the far field instinctively I threw myself down and as luck would have it he didn t see me If I wanted him I was going to have to work for it as he was in a no shoot position being in front of a road Once and if he moved ...

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Page 15: ...switching to the higher magnification 12 x or 15 x respectively one achieves greater detail recognition In contrast to monocular add on power boosters a binocular booster is already integrated in the Duovid lightweight easy to operate and with a large field of view Both models are well balanced and feature an outstanding ergonomic design thereby allowing for virtually shake free viewing even at hi...

Page 16: ...LEICA DUOVID 10 15 x 50 ...

Page 17: ...LEICA DUOVID 8 12 x 42 ...

Page 18: ...ication the Duovid with 50mm objective lens bridges the gap between binocular and spotting scope LEICA DUOVID 10 15 x 50 This Duovid is a high performance binocular that with a flick of the wrist becomes a binocular spotting scope The 10 x magnification allows for shake free viewing and a larger field of view By switching to 15 x one achieves a level of detail recognition previously found only in ...

Page 19: ...djust the ring on each tube according ly Due to the Automatic Diopter Compensa tion ADC your previously set diopter will automatically adjust itself to the new magnifi cation The Duovid is the most versatile hunting binocular No matter what the situation or the quarry the Duovid delivers the perfect optical solution Matthias Suuck Sales Manager Leica Sport Optics Due to its extreme twilight perfor...

Page 20: ...omatic Diopter Compensation ADC when switching between magnifications the diopter automatically adjusts Multifunction center drive comfortable smooth focusing and easy diopter setting Robust Strong aluminum die cast housing and soft touch rubber armoring protect the binocular from damage while at the same time ensuring secure handling of the product even when wearing gloves Functions perfectly und...

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Page 23: ...ith two click stops of all Ultravid models ensure a comfortable viewing experience Their soft cushioning rubber element allows for a comfortable positioning of the eye and due to the click stops they can be individually set for the perfect eye relief The strength of the Ultravid class is due in large part to its high image quality The Leica HighLux System HLS makes that possible This innovative sy...

Page 24: ...LEICA ULTRAVID 8 x 20 BL ...

Page 25: ...LEICA ULTRAVID 12 x 50 BR ...

Page 26: ... 2 m 10 7 ft close focusing LEICA ULTRAVID 10 x 50 BR The high light transmission top of the class binocular Thanks to the outstanding twilight performance fine details can be viewed well into darkness LEICA ULTRAVID 8 x 50 BR Fatigue free viewing even under poor light conditions The 8 x magnification guarantees a steady sharp image without the need to constantly refocus Even extreme cold does not...

Page 27: ...ry apparent with the improved image steadiness while viewing over great distances LEICA ULTRAVID 7 x 42 BR A large field of view with great edge to edge sharpness combined with a bright and steady image characterize this binocular LEICA ULTRAVID 8 x 42 BR The multi talented binocular that delivers images rich in contrast both during the day and at twilight The ratio of brightness and weight of mag...

Page 28: ...ith new eyepieces designed to comfortably accommodate eyeglass wearers LEICA ULTRAVID 8 x 42 BL A field of view of 130 m 389 ft at an 8 x magnification An image that is rich in contrast both during the day and at twilight Magnesium and titanium are the strengths of the 50 mm 42 mm and 32 mm lightweight Ultravids A housing constructed entirely out of magnesium and a center shaft made of titanium gu...

Page 29: ...ation and a large field of view of 135 m 404 ft allows for a great overview and steadiness of image The ideal stalking binocular with its minimal weight and maximum optical performance LEICA ULTRAVID 10 x 32 BR The most powerful 32mm model not only impresses over great distances but due to its 2 1 m 6 9 ft close focus also allows for viewing of even the smallest of details In terms of optical perf...

Page 30: ...act binocular displays distant objects with extreme sharp ness and contrast The ideal binocular for those unexpected moments in the field The new 25 mm and 20 mm models continue the high standards of the Ultravid class Due to an innovative curing process the rubber armoring gets fused onto the binocular making it extremely durable It is water proof to a depth of 5 m 16 4 ft and nitrogen filled to ...

Page 31: ...e objective lens diameters LEICA ULTRAVID 10 x 25 BL It is the perfect combination of classic ele gance and toughness The extremely minimal weight of 255 g 9 3 oz and the elegant design allow one to always carry it along even when at the opera or the open air event LEICA ULTRAVID BL 25 mm brilliant elegance These lightweight binoculars with a classic leather covering are the ideal companions for a...

Page 32: ...ular with a field of view of 110 m 331 ft and a close focus of 2 2 m 7 2 ft Shake free viewing due to the 8 x magnification The Leica High Lux System HLS ensures a bright image It only weighs 240 g 8 5 oz Big optic in its smallest size Not only are the 25 mm and 20 mm Ultravids ultra rugged but due to aspherical lenses they are also ultra bright This allows for edge to edge sharpness and a color f...

Page 33: ...y these smallest of binoculars are ideally suited for eyeglass wearers LEICA ULTRAVID 8 x 20 BL They can easily be folded and tucked away so that on long hikes they are only noticed because of their high image quality LEICA ULTRAVID BL 20mm the greatest little ones With their black leather covering the smallest Leica power packages are both elegant and powerful ...

Page 34: ...d a four lens objective with an achromat aspherical lens technology in the 8 x 20 and 10 x 25 models Ultra ergonomic Functional design with integrated thumb rests 50 mm und 42 mm BR models natural placement of focusing mechanism and perfectly balanced for long relaxed viewing Multifunction center drive comfortable easy focusing and diopter setting Ultra rugged Soft touch rubber armoring protects t...

Page 35: ... Order No 40 281 12 x 50 Order No 40 282 LEICA ULTRAVID BL 42 mm lightweight in a classic design In elegant black leather covering 8 x 42 Order No 40 271 10 x 42 Order No 40 272 LEICA ULTRAVID BR 42 mm the robust all rounder In black or green rubber armoring black 7 x 42 Order No 40 260 8 x 42 Order No 40 261 10 x 42 Order No 40 262 green 7 x 42 Order No 40 265 8 x 42 Order No 40 266 10 x 42 Order...

Page 36: ...ing 10 x 25 BL Order No 40 257 LEICA ULTRAVID BR 20 mm robust High Tech Minis In black rubber armoring 8 x 20 BR Order No 40 252 LEICA ULTRAVID BL 20 mm the greatest little ones In elegant black leather covering 8 x 20 BL Order No 40 256 LEICA ULTRAVID BR 32 mm always with you In black rubber armoring 8 x 32 BR Order No 40 258 10 x 32 BR Order No 40 259 Red deer Cervus elaphus ...

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Page 39: ...chanics make every LEICA TRINOVID BN model the optimal com panion for all outdoor activities A nearly indestructible die cast aluminum housing that withstands the most grueling temperatures the patented multifunction center drive with integrated diopter compensation and the innovative Leica HDC multi layer lens coating are just a few features that make the LEICA TRINOVID BN series stand out The br...

Page 40: ...LEICA TRINOVID 8 x 20 BCA ...

Page 41: ...LEICA TRINOVID 10 x 42 BN ...

Page 42: ...m proven multi talents You are looking for a binocular whose applications are as multifaceted as nature The 42 mm models are the universal binoculars with excellent light gathering capabilities and compact dimensions ideal for stalking in the mountains LEICA TRINOVID 10 x 42 BN With its high contrast and 10 x magnification this powerful 42 mm binocular is ideally sui ted for viewing over great dis...

Page 43: ...gh quality viewing over great distances but also has a close focus of 2 1 m 6 9 ft No matter what the hunting situation the 32 mm binoculars of the Trinovid BN class get you closer to the action One can do all that without burdening oneself because a heavier and larger binocular is not needed for daylight observation LEICA TRINOVID BN 32 mm the constant companions Compact size and excellent image ...

Page 44: ...t 9 x 6 cm 35 8 x 23 4 in small LEICA TRINOVID BCA 25 mm and 20 mm distinguished compact It s easy to recognize high grade binoculars For example because they can be folded into a very convenient small size and also because the independent German Warentest Foundation has judged them to be Very Good best 10 x 25 of its class with greatest ease of handling Stiftung Warentest One of the very best in ...

Page 45: ...mm models is easily done on the right objective Robust Strong aluminum die cast housing and a soft touch armoring protects the binocular and ensures a slip proof handling even when wearing gloves or wet Functions perfectly under all environmental conditions from 25 C to 55 C 13 F to 113 F waterproof to 5 m 16 4 ft nitrogenfilled BN models impact resistant The Trinovid class Proven technology for t...

Page 46: ...x 20 BCA Order No 40 342 LEICA TRINOVID BCA 25 mm perfectly compact In black rubber armoring 10 x 25 BCA Order No 40 343 LEICA TRINOVID BN 32 mm the constant companions In black rubber armoring 8 x 32 BN Order No 40 016 10 x 32 BN Order No 40 015 Grant s zebra Equus quagga böhmi ...

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Page 49: ... weighing about 1 000 g 34 oz with a length of 300 mm under 12 in Their image quality sets new standards in this compact class The APO versions heighten the viewing experience by utilizing glass containing fluorite This feature results in a color fringe free image that more than satisfies the highest expectations Both the 77 mm and 62 mm models feature the patented dual focusing device and an ergo...

Page 50: ...LEICA APO TELEVID 62 ...

Page 51: ...LEICA TELEVID 77 ...

Page 52: ... dusk LEICA TELEVID 77 A spotting scope with excellent color rendi tion rich in contrast and displays a bright image A close focus of 3 9 m 13 ft ensures a fantastic viewing experience also at a close distance Five precision eyepieces with a large variety of magnifications are available Especially during poor light conditions and over great distances the LEICA TELEVID 77 allows the hunter to view ...

Page 53: ...tched sharpness Close focus of 3 9 m 13 ft The five precision eyepieces offering many different magnifications allow for a wide array of applications The LEICA APO TELEVID 77 is made for experi encing nature in its purest form Those who wish to capture these images via a photo or digital adapter can do so Sometimes the magnification of a binocular is insufficient when viewing over great distances ...

Page 54: ...h the partially rubber armored models the straight version of the LEICA TELEVID 62 and LEICA APO TELEVID 62 is also available in a rugged fully rubber armored model A good spotting scope only becomes a perfect observation tool when combined with the right eye piece and accessories Leica offers a wide selection of eyepieces ideally suited for any application The Televid 62 offers outstanding image ...

Page 55: ...be used for a number of applications LEICA APO TELEVID 62 A compact premium performance spotting scope with apochromatic color correction due to glass containing fluorite produces a color fringe free image with unmatched sharpness A highly durable housing that is enhanced with strategically placed rubber armoring A spotting scope of the highest quality which through the use of fluorite achieves th...

Page 56: ...ng Extendable objective cover to reduce glare Very flexible The close focus of 3 5 m 11 5 ft Televid 62 and 3 9 m 13 0 ft Televid 77 respect ively allow the user to focus on each object individually A large selection of eyepieces for a variety of observation applications is available Robust A strong aluminum die cast housing protects the spotting scope The aluminum carbon fiber material of the Tel...

Page 57: ...ons 20 60 x 16 48 x The 20 x WW 16 x WW 32 x WW 26 x WW and 40 x WW 32xWW eyepieces deliver the largest wide angle field of view All eyepieces are labeled with two different sets of numbers ensuring that you always know what magnification you are using LEICA TELEVID 62 lightweight spotting scopes for any light condition Straight view partially armored Order No 40 108 Straight view fully armored Or...

Page 58: ... your dream picture is not spoiled by camera shake even in poor light and when extreme focal lengths are being used The photographs can later be refined on a computer by means of an image manipulation program This software is supplied along with the LEICA D LUX 2 camera You can file your best pictures on your computer you can print them out for your album you can have them printed on high grade ph...

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Page 61: ...0m 1 300yds With a Geovid you as a serious hunter know precisely how far away your game is in any hunting ground And in spite of the built in range finder Geovid BRF binoculars are no larger than classic binoculars Furthermore with their robust construction and the handy rubber armoring they are up to the toughest challenges of modern hunting The new extra bright Geovid 15x56 BRF enables demanding...

Page 62: ...LEICA GEOVID 8 x 42 BRF ...

Page 63: ...LEICA GEOVID 15 x 56 BRF ...

Page 64: ...d in combining uncompromised high performance optics with a laser rangefinder in an especially compact binocular with a front lens diameter of 56mm LEICA GEOVID 8 x 56 BRF High performance binocular with a 7mm exit pupil great image steadiness because of the 8x magnification extremely high light trans mission because of Leica HDCTM multi coating and the 56mm front lens diameter plus accurate range...

Page 65: ...sure many years of enjoyment LEICA GEOVID 8 x 42 BRF The 8 x magnification guarantees a steady image The combination of a 125 m field of view and precision measurements make the 8 x 42 the compact all round companion LEICA GEOVID 10 x 42 BRF The powerful Geovid is well suited for detail oriented observations and precision measurements over great distances LEICA GEOVID BRF 42mm the compact orientee...

Page 66: ...l conditions from 15 C to 55 C 13 C to 131 C waterproof to 5 m 16 4 ft nitrogen filled impact resistant Range 10 1 200 m 10 1 300 yds The Geovid BRF class Observing and rangefinding with perfection Key features at a glance LEICA GEOVID BRF 56mm observing and rangefinding in poor light conditions In black rubber armoring 15 x 56 BRF Meter Version Order No 40 035 Yard Version Order No 40 034 8 x 56 ...

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Page 69: ...ll served with the Leica Range master models The neat CRF only weighs 220 grams less than 8 oz including the battery Both Rangemaster models have a range of up to 1 100 m 1 200 yds and they also feature a scan mode that provides continuously updated distance readings by simply keeping the activation button depressed That mode is particularly useful for observing moving game at great distances In a...

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Page 71: ...LEICA RANGEMASTER CRF 1200 ...

Page 72: ...view provide optimal orientation in the field Its watertight housing gives the new CRF the best protection against the harshest weather conditions LEICA RANGEMASTER CRF 1200 minimum size maximum performance For hunters who want a minimum of equipment and a maximum of performance the elegant CRF is the ultimate solution It establishes entirely new standards for the Rangemaster class with their extr...

Page 73: ...activating key this laser rangefinder tells you exactly how far away you are from your target in meters or in yards The scan mode provides precise readings even for difficult subjects Uncompromising performance The precision of the high end laser technology based on the long experience of Leica in premium laser rangefinder The extensive range of use up to approx 1 100m 1 200 yds offers a high flex...

Page 74: ...r armoring The new CRF 1200 is watertight to a depth of 1m yd LRF 1200 scan water spray resistant Ranges LEICA RANGEMASTER CRF 1200 approx 10 1 100 m 10 1 200 yds LEICA RANGEMASTER 1200 scan approx 15 1 100 m 16 4 1 200 yds The Rangemaster class Small instruments with great features Key features at a glance LEICA RANGEMASTER 1200 scan the proven hunting companion Black Order No 40 525 LEICA RANGEM...

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Page 77: ... 5 mm 5 3 4 0 approx 3 7 m 12 9 ft 3 diopters yes yes 59 74 mm yes removable with two click stops Internal focusing via central focusing device 11 all with HDC coating Roof prism with phase correcting coating P40 and HighLux System HLS Watertight to a depth of 5 m 16 5 ft Die cast aluminum nitrogen filled 125 x192 x 78 mm 41 2 x 7 3 4 x 3 1 32 in approx 1 270 g 44 oz included included LEICA DUOVID...

Page 78: ...m 43 4 x 71 8 x 23 4 in approx 1 040 g 36 7 oz included 42 163 42 220 LEICA ULTRAVID 10 x 50 BR 40 276 40 281 Neoprene carrying strap contoured eyepiece cover protective front lens cover Cordura case 10 x 50 mm 5 mm 22 4 117 m 352 ft 15 mm 6 7 approx 3 3 m 10 8 ft 4 diopters yes yes removable with two click stops 58 74 mm Internal focusing via central focusing device 9 all with HDC coating Roof pr...

Page 79: ...red eyepiece cover deep drawn leather case 8 x 42 mm 5 2 mm 18 3 130 m 389 ft 15 5 mm 7 4 approx 3 m 9 8 ft 4 diopters yes yes removable with two click stops 55 75 mm Internal focusing via central focusing device 9 all with HDC coating Roof prism with phase correcting coating P 40 and HighLux System HLS Watertight to a depth of 5 m 16 5 ft Die cast magnesium nitrogen filled BR 121x142x67mm 4 3 4 x...

Page 80: ...6 ft 4 diopters yes yes removable with two click stops 52 74 mm Internal focusing via central focusing device 11 all with HDC coating Roof prism with phase correcting coating P 40 and HighLux System HLS Watertight to a depth of 5 m 16 5 ft Magnesium nitrogen filled 116 x120 x 56 mm 45 8 x 43 4 x 21 4 in approx 565 g 19 9 oz included 42163 42 220 LEICA ULTRAVID 8 x 32 BR 40 258 Neoprene carrying st...

Page 81: ...rogen filled 120 x137 x 66 mm 4 3 4 x 5 3 8 x 2 5 8 in approx 910 g 32 1 oz included 42163 42 220 LEICA TRINOVID 8 x 42 BN 40 017 Neoprene carrying strap eyepiece cover Nappa leather case 8 x 42 mm 5 2 mm 18 3 130 m 389 ft 15 5 mm 7 4 approx 3 1 m 10 2 ft 4 diopters yes yes 55 75 mm Internal focusing via central focusing device 9 all with HDC coating Roof prism with phase correcting coating P 40 W...

Page 82: ...8 90 m 273 ft 14 6 mm 5 2 approx 5 m 16 4 ft 3 5 diopters yes extendable eyecups 32 74 mm Internal focusing via central focusing knob 6 all with HDC coating Roof prism with phase correcting coating P40 Waterspray resistant Aluminum nitrogen filled 110 x92 x 37 mm 43 8 x 3 5 8 x11 2 in approx 255 g 9 0 oz LEICA TRINOVID 8 x 20 BCA 40 354 Carrying cord Cordular case with belt loop 8 x 20 mm 2 5 mm 1...

Page 83: ... chart page 83 Internal focusing with patented dual focusing device 2 all multi coated Porro prism system Watertight to a depth of 3 m 10 ft Die cast aluminum nitrogen filled Rapid change bayonet 1 4 rotating with locking screw Sliding lens hood with sighting aid E 77 390 x 105 x 93 mm 15 3 8 x 41 8 x 3 5 8 in approx 1 495 g 52 7 oz 41 009 41 011 41 007 41 012 42 303 42 300 42 301 42 305 13 337 42...

Page 84: ...change bayonet 1 4 1 4 rotating with locking screw Sliding lens hood with sighting aid E 62 295 x 95 x 87 mm 115 8 x 33 4 x 33 8 in 305 x 94 x 87 mm 12 x 33 4 x 33 8 in 305 x 94 x 89 mm 12 x 33 4 x 31 2 in approx 1 070 g 37 7 oz approx 990 g 34 9 oz approx 1 070 g 34 4 oz 41 009 41 011 41 007 41 012 42 303 42 301 42 305 42 319 42 318 Spotting scope Order No Product Straight viewing partially armor...

Page 85: ...w 1 10 4 1 10 6 26 x WW 41 011 7 elements 26 x 14 mm 2 4 mm 2 9 50 m 152 ft 19 mm 70 mm 53 mm approx 285 g 10 oz 32 x WW 41 007 6 elements 32 x 11 mm 1 9 mm 2 3 40 m 121 ft 16 3 mm 71 mm 50 mm approx 230 g 8 oz 1 13 0 1 000 Televid 77 1 12 9 800 Televid 62 42 301 1 000 mm 800 mm 1 13 0 1 12 9 16 48 x Vario 41 012 7 elements 16 48 x 22 7 3 mm 3 8 1 3 mm 2 5 1 4 44 24 m 131 74 ft 22 16 mm 78 mm 53 m...

Page 86: ...ters 10 m to approx 1 200 m 10 yds to approx 1 300 yds 1 m yd up to 350 m 380 yds 2 m yds up to 700 m 763 yds 0 5 beyond 700 m 763 yds LED display with four digits easily legible in any light yes yes removable with two click stops 56 74 mm Internal focusing via central focusing device 7 all with HDC coating Roof prism with phase correction coating P 40 Watertight to a depth of 5 m 16 5 ft Die cast...

Page 87: ...nce measurement Range Accuracy Read outs Eyepieces for eyeglass wearers Sliding eyecups Adjustable interpupillary distance Focusing No of lens elements each side Prism system Watertightness Housing Dimensions W x H x D Weight Meter Yard selector Laser Laser beam divergence Measuring time Measuring mode Power supply Battery lifetime Order No Accessories Neopren carrying strap contoured Floating car...

Page 88: ...m 6 6 3 5 diopters 10 to 1 100 m 10 to 1 200 yds 1 m yd to 366 m 400 yds 2m yds to 732m 800yds 0 5 over 732m 800yds LED display with four digits easily legible in any light yes turn down rubber eyecups Roof prism with phase correction coating P40 Watertight to a depth of 1m 3 2ft Carbon fiber reinforced plastic material 113 x75 x 34 mm 41 2 x 2 1 4 x 11 4 in approx 220 g 7 8 oz incl battery no Eye...

Page 89: ... case with belt loop for Ultravid BR 20 and 25 Trinovid BCA 20 and 25 and Rangemaster CRF 1200 Deep drawn leather case for Ultravid BL 42 Contoured Leather carrying strap for Ultravid BL 42 Contoured Neoprene carrying strap for Duovid 42 and 50 Ultravid BR 32 42 and 50 Trinovid 42 Geovid BRF 42 Cordura case with belt loop for Trinovid BN 32 Woven carrying strap for Ultravid BR 20 and 25 Ultravid B...

Page 90: ...opes 1 12 9 800 mm for all Televids Order No 42301 T2 adapter for the Leica R system for all Televids Order No 42 305 Uva Filter for Televid and APO Televid 77 Order No 13 337 Tripod adapter for binoculars for Duovid 50 and 42 Ultravid BR 32 and 50 Ultravid BR BL 42 Trinovid BN 32 32 and 42 Geovid BRF 56 and 42 Order No 42 220 Carrying case for Televid 77 for Televid and APO Televid 77 straight vi...

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Page 93: ...exactly circular and that they should have sharp edges The pupil of the eye changes its diameter in accordance with the light intensity small in bright light large in the dark For example a 40 year old observer typically has a maximum pupil diameter of 6 mm A rule of thumb for low light observation is that the exit pupil of a binocular should be at least as large as the pupil of the eye at its lar...

Page 94: ...on which would also have great advantages for observation at twilight or in poor light conditions because one would not have keep refocusing to maintain a sharp image The greater the magnification the smaller the depth of field Greater magnifica tions are advantageous when one wishes to discern more details or smaller objects as illustrated on the bottom Reflections and flare When light rays are r...

Page 95: ...to the edge light rays pass through a lens the more they will tend to arrive away from the actual picture point Because this effect becomes stronger as the front lens diameter increases it is referred to as aperture error also called spherical aberration Aperture error causes a loss of sharpness and contrast in the image In extreme cases flare becomes noticeable halos are formed around point sourc...

Page 96: ...ght rays converge on the same plane While the center of the picture is sharp the edge of the picture appears to be out of focus One can cause objects in one or the other plane to be rendered sharply by refocusing In addition astigmatism causes the sharpness of an object detail to be influenced by its orientation This effect becomes stronger towards the edges of the image For example if we look at ...

Page 97: ...of special types of optical glass with anomalous partial disper sion and with glasses that contain fluorite Such correction results in images with enhanced sharpness increased contrast and an extremely natural color rendition High refraction glasses Lens elements made of high refraction glasses bend light rays more strongly than lenses with the same shape that are made of standard glasses Therefor...

Page 98: ...sible to protect the particularly exposed external lens surfaces from environmental influences and from damages such as scratches These two requirements high transmission and high environ mental and scratch resistance are combined in the innovative multi layer coating Leica HDC Prism systems Prisms have the task of bringing in verted and laterally reversed images of an object back into the right p...

Page 99: ...a way that they cannot shift The tolerances for the mechanisms used for moving lens groups are set at a very minimum and they are strictly enforced An important parameter in the selection of the right materials is their extreme longevity and they must also safeguard the highest degree of precision Leica meets these require ments with proven and durable materials such aluminum die castings and stee...

Page 100: ... eyecups with two click stops A newly de signed rotating sliding eyecup is used on binocular models Duovid 50 and 42 Ultravid 50 42 and 32 and Geovid It can easily be removed for cleaning at any time and it has two click stops with which different eye relief distances AP positions can be set indi vidually with eyeglasses retracted without eyeglasses pulled out With its gently cushioning rubber ele...

Page 101: ...s The scan mode is especially helpful for the perfect measurement of distances to small or rapidly moving targets The measurement of distances is based on an eye safe light pulse that is reflected by the object that is being sighted A microprocessor uses the time elapsed until the light pulse has returned to compute the distance and then indicates it in the instrument s display LED displays in ran...

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Page 103: ...e Brochure order number German 91192 English 91193 French 91194 Italian 91195 For the other lines of Leica products too man and his perception are the main consideration Accordingly high grade Leica cameras and projectors provide a very special visual experience Numerous cultural activities photographic competitions and seminars as well as a competent technical customer service round out our progr...

Page 104: ...Leica Camera AG Oskar Barnack Straße 11 D 35606 Solms www leica camera com info leica camera com Telephone 49 0 6442 208 0 Fax 49 0 6442 208 333 Heine Lenz Zizka 01 06 AGLW D ...

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