Takahashi FOA-60 Instruction Manual Download | Manualshive

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Instruction Manual

TAKAHASHI

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Summary of Contents for FOA-60

Page 1: ...Instruction Manual TAKAHASHI ...

Page 2: ... with almost no color aberration In addition this telescope offers a wide variety of observing applications with the flatteners and extenders optionally available from Takahashi In order to use your telescope to its highest possible capabilities please read this instruction manual very carefully and familiarize yourself with all of the functions that your telescope offers All telescopes have been ...

Page 3: ...elescope on uneven place to prevent it from falling or dropping which might cause injuries Do not place the telescope in direct sun light The light concentrated at the focal point is so intense that it might cause a fire When focusing the telescope be careful not to pinch your finger Be careful that children do not swallow small parts such as button battery eyepiece etc Flammable materials such as...

Page 4: ... Table of Contents 4 Specifications 5 Tube Assembly Layout 6 Set Up Procedures 7 Focusing 10 Finder Adjustment 11 Observation 12 Accessories 13 What is Fluorite 19 Care Maintenance 20 Additional Precautions 20 System Charts 21 Version 1 01 ...

Page 5: ...ing Power 73X With Flattener 0 93 Effective Focal Length 495mm Effective Focal Ratio 1 8 2 Image Circle φ44mm With Extender 1 7XR Effective Focal Length 900mm Effective Focal Ratio 1 15 0 Image Circle φ44mm 100 illuminated φ88mm reference Diameter of Main Tube 68mm Total Length of Tube Assembly 570mm Weight of Main Tube Assembly 1 8kg about 3 6lbs Finder Scope 6x30 optional Accessories Warranty ca...

Page 6: ...ck Screw Dew Shield Main Tube 6x30 Finder Scope Focuser Housing Drawtube Clamp Finder Bracket Focusing Knob 50 8 2 AD Ring FOA 60 Drawtube 50 8 2 Adapter SKY 90 50 8 2 Extension Tube L 50 8 2 Sleeve Coupling S Eyepiece Adapter Cap 31 7 1 Eyepiece Adapter ...

Page 7: ...ube holder base with two cap bolts and then place the tube assembly on the tube holder and lock the tube holder with the clamp after balancing the tube assembly The tube holder can be used with all Takahashi mounts If using this equipment for astro imaging the heavier duty the mount the better Tube Holder Tube Holder Base Equatorial Mount Tube Holder Clamp Cap Bolt Hex Wrench 6mm Attaching the Fin...

Page 8: ...lly when imaging package is attached set the tube assembly at proper position Balancing in the R A 1 When the Dec axis is balanced lock it firmly with the Dec clamp 2 Loosen the R A clamp and check balance of the R A 3 If unbalanced move the counter weight s until the R A is balanced and lock it 4 If still unbalanced with the weight fully extended add extra weight Retractable Dew Shield The dew sh...

Page 9: ...sories Please check the system charts and attach the desired accessories correctly Standard connection is as follows TAK UW Series Ultra wide angle with apparent field of 90 degrees designed to get sharpest star images with a flat field telescope available in 31 7mm 1 barrel TAK 3 3UW 10UW Abbe Series Simple 2 group 4 element eyepiece with high contrast less expensive with high performance availab...

Page 10: ...ake contact with the barrel of the diagonal prism It is not necessary to overtighten the ring to hold the diagonal prism Then insert the eyepiece into the compression ring of the diagonal prism repeating previous process Be careful not to overtighten the compression ring Begin the focusing process by choosing a bright star in a convenient position of the sky When you think that you have achieved t...

Page 11: ... according to the system chart and attach a low power eyepiece Then select a clearly noticeable object far away and center it in the view field 2 Then change the eyepiece to a high power one and again center the object in the view field Then lock the telescope 3 Looking through the finder move the finder with the following method and adjust it so the object is centered at the crosshair 4 Turn all ...

Page 12: ...el eyepieces The light pass length through the prism becomes longer so the drawtube must be moved a longer distance In order to achieve the best focus please connect the system parts as instructed Astro Imaging Prime Focus Imaging This is the method to take images at the focal point just like using a telescope as a telephoto lens Since the focal length of a telescope is far longer than that of a t...

Page 13: ... the light path length for reference Please note that some other 50 8 2 eyepieces from brands other than Takahashi cannot focus 4 Turret Eyepiece Holder 31 7 1 D The 4 Turret Eyepiece Holder 31 7 1 D is a convenient accessory that allows the observer to use 4 eyepieces This turret allows eyepieces to be changed quickly by turning it In addition this device has a built in 90 degree prism that allow...

Page 14: ... For the other imaging at the prime focus or with the extenders the T Mount DX WR is used The T Mount is available for EOS or Nikon Caution Be careful of scratches and dirt on the T Mount These could cause misalignment of the camera resulting in poor quality star images T mount DX WR T mount DX 60W T mount DX S TCA 4 DSLR Camera DSLR Camera DSLR Camera CA 35 50 8 2 Flattener 0 93X 31 7 1 Eyepiece ...

Page 15: ... birds and lands as a 500mm f 8 super telephoto lens The Flattener with 50 8 2 sleeve can be attached and detached quickly to move from visual use to imaging mode Imaging System with the Flattener 0 93X Effective Focal Length 495mm Effective Focal Ratio f 8 2 Image Circle φ44mm Caution Do not use the Flattener 0 93X and the Extender 1 7XR together Use just one at a time CA 35 50 8 2 For imaging at...

Page 16: ...at field it is well suited to take magnified images of the corona or the prominence in the total eclipse With almost no vignetting it is also suited for imaging lands as a super telephoto lens For accessory connections please refer to the system chart Imaging System with the Extender 1 7XR Effective Focal Length 900mm Effective Focal Ratio f 15 0 Image Circle φ44mm 100 illuminated φ88mm reference ...

Page 17: ...xtenders can be easily attached with the 50 8 2 sleeve system Extender ED 1 5X Extender ED 1 5X Extender Q 1 6X 50 8 2 Extender Q 1 6X 50 8 2 The T Mount DX WR is required to attach a DSLR Use the T Mount optionally available according to the camera model If a flat field is required the Extender 1 7XR is recommended Imaging System with the Extender ED 1 5X Effective Focal Length 795mm Effective Fo...

Page 18: ...CD camera with 31 7 1 sleeve can be attached to the TCA 4 with the 31 7 1 eyepiece adapter MEF 3 The Micro Edge Focuser MEF 3 is an optionally available fine focus attachment that permits 8 to 1 focus for critical focusing for imaging or highly magnified viewing Cautions for Imaging Sharp Image Use a 3 4 magnitude star in order to achieve sharpest focus of an image Do trial shots with a DSLR camer...

Page 19: ...te element with its excellent performance is used in various high quality objective Chemically the fluorite element is as hard as optical glass and can be multi coated for long time use The focal length can change with fluctuating temperature So it is advisable to take the telescope out at least 30 minutes before using it to allow it to equalize with the temperature of the outside air to produce s...

Page 20: ...l use it should not require adjustment On occasion however damage or rough handling during transport may cause alignment issues If there is an abnormal star image visible with your telescope immediately contact your local distributor Care for the Lens If the front lens of the objective has dust or dirt particles on it use a large hand powered blower to remove the particles Under no circumstances s...

Page 21: ...older 32 TKA01250 T Mount DX S EOS TKA01254 T Mount DX S Nikon 33 TKA20245 T Mount DX 60W EOS TKA20246 T Mount DX 60W Nikon 33G TKA01251 T Mount DX WR EOS TKA01255 T Mount DX WR Nikon 34 DSLR camera 35 TKA31201 CA 35 50 8 2 36 TKA00210 TCA 4 47 31 7 1 Eyepiece 48 50 8 2 Eyepiece 49 TKA00547 Diagonal Prism 31 7 1 MC 60 TKA36595 Extender Q 1 6X 50 8 2 67 TKA37595 Extender ED 1 5X 68 TKA28595 Extende...

Page 22: ...older 32 TKA01250 T Mount DX S EOS TKA01254 T Mount DX S Nikon 33G TKA01251 T Mount DX WR EOS TKA01255 T Mount DX WR Nikon 34 DSLR camera 35 TKA31201 CA 35 50 8 2 36 TKA00210 TCA 4 47 31 7 1 Eyepiece 48 50 8 2 Eyepiece 49 TKA00547 Diagonal Prism 31 7 1 1 4 MC 60 TKA36595 Extender Q 1 6X 50 8 2 67 TKA37595 Extender ED 1 5X 68 TKA28595 Extender 1 7XR 71S TKA00105 50 8 2 Extension Tube S 74 TKA00543 ...

Page 23: ... Optional Accessories 27 TKA00404 4 Turret Eyepiece Holder 32 TKA01250 T Mount DX S EOS TKA01254 T Mount DX S Nikon 33G TKA01251 T Mount DX WR EOS TKA01255 T Mount DX WR Nikon 34 DSLR camera 35 TKA31201 CA 35 50 8 2 36 TKA00210 TCA 4 47 31 7 1 Eyepiece 48 50 8 2 Eyepiece 60 TKA36595 Extender Q 1 6X 50 8 2 66 TKA00595 31 7 1 2X Barlow 67 TKA37595 Extender ED 1 5X 68 TKA28595 Extender 1 7XR 71S TKA0...

Page 24: ...TAKAHASHI SEISAKUSHO Ltd 41 7 Oharacho Itabashiku Tokyo 174 0061 JAPAN PHONE 81 3 3966 9491 FAX 81 3 3966 9524 ...

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