Canon 25 mm f:3.5 Скачать руководство пользователя | Manualshive

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STANDARD

CANON LENS

LENS ELEMENTS: 6
LENS MOUNT & HEAD: NON-COLLAPSIBLE,

NON-REVOLVING

MINIMUM APERTURE: f : 16
DISTANCE SCALES : 3.5 ~ 50ft, or 1 ~ 20m, inf

ANGLE OF VIEW: 46°

COATING: AMBER
NET WEIGHT: 270 grams or 9.5 oz.

A newly improved-high-speed lens
design which reduces spherical aber-

ration to the absolute minimum,

eliminating coma and providing an

extremely flat image surface. Ideal
standard lens for black-and-white
and color.

STANDARD

CANON LENS

LENS ELEMENTS: 7
LENS MOUNT & HEAD: NON-COLLAPSIBLE,

NON-REVOLVING

MINIMUM APERTURE: f : 16
DISTANCE SCALES: 3.5 ~ 50ft, or 1 ~ 20m, inf

ANGLE OF VIEW: 46°
COATING: AMBER
NET WEIGHT: 322 grams or 11.4 oz.

The first lens faster than f:1.5, which
produces a camera image of superb defin-
ition and resolution wide open. This
lens even surpasses the resolving power

of the already accepted leader. Canon's

previous 50mm f:1.8. Incorporates new
rare-glass elements, permitting its aber-
ration-free performance at all stops.

Another Canon revolutionary advance in

"Available Light" photography.

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Содержание 25 mm f:3.5

Страница 1: ......

Страница 2: ...hy Do not endeavour to open up the lens If there is anything wrong return the lens to your dealer who will forward it to the manu facturers for their attention Note All Canon Manufactured Lenses except telephoto lenses 200 400 600 800 and 1000 which comes with reflex mirror housing are coupled with the Canon Camera Rangefinder Mechanism C O N T E N T S HOW TO USE CANON LENS How to dismount and mou...

Страница 3: ...GE BY GRASPING ANY OTHER PART BUT THE BASE I N F R A R E D MARK Infrared Mark is used only for infrared photography After focusing in the usual manner read the object distance scale of the tens and then turn the lens so that the object distance is exactly opposite the R index mark The lens is now focused for infrared photography Infrared mark on any Canon lens is situated in a position where it wi...

Страница 4: ...issue If further cleaning is necessary for removing fingermarks etc wrap lens cleaning tissue or lint free cotton cloth on tip of a stick and moist alcohol mixed with ether when possible and wipe the surface in a gentle circular motion from center to perimeter Never wipe with excessive pressure or you might scratch the surface 4 Do not store your lens in hot and or humid places The best way to sto...

Страница 5: ...cal lengths The shorter the focal length of Che lens the wider the area covered by the picture but the objects in those pictures all appear small The longer the focal length the narrower the field covered by the resulting picture but in these cases the image itself appears bigger The use of lenses of different focal lengths then becomes a necessity Tor instance when we take photos of a group of pe...

Страница 6: ...ation in the appearance of the foreground in relation to the surrounding area Again there are marked differences in the degree of the background With the long distance lens the background area is stronger and clearly adjusted in relation to the foreground giving an effect of solidness to the picture Again according to the size of the lens opening there are differences in the depth of the object be...

Страница 7: ...cally coupled to the viewfinders for parallax you have to adjust the parallax manually by adjusting the parallax compensating scale of the FINDER COUPLER to match the reading on the DISTANCE SCALE of the lens By doing so the field you see through the finder will be identical with what the lens will register on film Note Even those viewfinders which are not designed for Model VT Canon can be used o...

Страница 8: ...etely accurate and uniform in light transmission WIDE ANGLE CANON LENS LENS ELEMENTS 6 LENS M O U N T H E A D NON COLLAPSIBLE NON REVOLVING MINIMUM APERTURE f 22 DISTANCE SCALES 3 5 50ft or 1 20m inf ANGLE OF VIEW 75 MAGNIFICATION 0 56x COATING MAGENTA NET WEIGHT 159 grams or 5 6 oz Embodies new rare glass elements making possible the fastest aperture design in this wide angle field No barred dist...

Страница 9: ...lack and white negatives NORMAL WIDE ANGLE CANON LENS LENS ELEMENTS 7 LENS MOUNT HEAD NON COLLAPSIBLE NON REVOLVING MINIMUM APERTURE f 22 DISTANCE SCALES 3 5 50ft or 1 20m inf ANGLE OF VIEW 64 MAGNIFICATION 0 7x COATING AMBER NET WEIGHT 125 grams or 4 4 oz World s fastest wide angle lens 64 superbly corrected for color definition and curvature free result at wide open This lens also features Canon...

Страница 10: ... wide claim of pro fessional photographers There is no finer and faster lens with this focal length and field of view STANDARD CANON LENS LENS ELEMENTS 4 LENS M O U N T H E A D NON COLLAPSIBLE NON REVOLVING MINIMUM APERTURE f 22 DISTANCE SCALES 3 5 50ft or 1 20m inf ANGLE OF VIEW 46 COATING MAGENTA NET WEIGHT 142 grams or 4 7 oz Ideal all round lens not only for land scapes portraiture etc but als...

Страница 11: ...d white and color STANDARD CANON LENS LENS ELEMENTS 7 LENS M O U N T H E A D NON COLLAPSIBLE NON REVOLVING MINIMUM APERTURE f 16 DISTANCE SCALES 3 5 50ft or 1 20m inf ANGLE OF VIEW 46 COATING AMBER NET WEIGHT 322 grams or 11 4 oz The first lens faster than f 1 5 which produces a camera image of superb defin ition and resolution wide open This lens even surpasses the resolving power of the already ...

Страница 12: ...ght alloy mount Ideal for portrai ture excellent resolution popular with press photographers LONG FOCUS CANON LENS LENS ELEMENTS 7 LENS MOUNT HEAD NON COLLAPSIBLE REVOLVING MINIMUM APERTURE f 16 DISTANCE SCALES 3 5 100ft or 1 30m inf ANGLE OF VIEW 29 MAGNIFICATION 1 7x COATING AMBER NET WEIGHT 730 grams or 25 8 oz Semi long focus lens of CANON s unique design A light weight lens combining superlat...

Страница 13: ...lloy Recommended for sports land scapes and press work Combines speed ami critical sharp ness TELEPHOTO CANON LENS LENS ELEMENTS 4 LENS M O U N T H E A D NON COLLAPSIBLE REVOLVING MINIMUM APERTURE f 22 DISTANCE SCALES 5 200ft or 1 5 60m inf ANGLE OF VIEW 18 MAGNIFICATION 2 7x COATING MAGENTA NET WEIGHT 438 grams or 15 5 oz Made with exceptionally light alloy Aberration corrections are nearly perfe...

Страница 14: ... the 400mm lens DEPTH OF PHOTOGRAPHIC FIELD When a lens is brought into focus on any one subject here is a certain surrounding area which also will appear in focus This area can be evaluated from the distance scale calibrations For instance if we were to calculate it using a 50mm lens brought into focus on an object 25ft away and using an f 4 aperture the area of photographic depth would be an are...

Страница 15: ...DEPTH OF FIELD DATE ON ALL CANON LENSES DEPTH OF FIELD IN FEET DEPTH OF FIELD IN METERS C A N O N LENS 25 mm f 3 5 ...

Страница 16: ...DEPTH OF FIELD IN FEET DEPTH OF FIELD IN METERS C A N O N LENSES 28 mm f 3 5 and f 2 8 ...

Страница 17: ...DEPTH OF FIELD IN FEET DEPTH OF HELD IN METERS C A N O N LENSES 35 mm f 2 8 and f 1 8 ...

Страница 18: ...DEPTH OF FIELD IN FEET DEPTH OF FIELD IN METERS C A N O N LENSES 50 mm f 2 8 f 1 8 and f 1 2 ...

Страница 19: ...DEPTH OF FIELD IN FEET C A N O N LENSES 85 mm f 1 9 and f 1 5 DEPTH OF FIELD IN METERS ...

Страница 20: ...DEPTH OF FIELD IN FEET DEPTH OF FIELD IN METERS C A N O N L E N S 100 mm f 3 5 ...

Страница 21: ...DEPTH OF FIELD IN FEET DEPTH OF FIELD IN METERS C A N O N L E N S 135 mm f 3 5 ...

Страница 22: ...DEPTH OF FIELD IN FEET DEPTH OF FIELD IN METERS C A N O N L E N S 200 mm f 3 5 ...

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