William Optics GTF 81 Five Element APO User Manual Download | Manualshive

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Summary of Contents for GTF 81 Five Element APO

Page 1: ...2 0 1 3E d i t i o nb yJ a me sJ Y a n g G T F8 1F i v eE l e me n t A P O U s e r G u i d e...

Page 2: ...I E W T H ES U N I t c o u l de a s i l y c a u s ei n s t a n t b l i n d n e s s o r s e r i o u s d a ma g et oy o u r e y e s T ov i e wt h es u n u s eo n l y a p p r o p r i a t e l y d e s i g...

Page 3: ...1 5 5 v F R 4 4B a t t e r y S e t t oZ e r o b yp u s h i n g t h eb u t t o n D e w S h i e l d L o c kS c r e w F i n d e r s c o p e R i n g s 1 4 2 0f o r a s t a n d a r dp h o t o t r i p o d...

Page 4: ...1 mm F 5 9 4 7 8mm F i v ee l e me n t w i t hF P L 5 3 A i r S p a c e d 2g r o u p s S T Mc o a t i n g s 1 4 3s e c o n d s o f a r c 1 2 2 1 2 2 R e t r a c t a b l e 2 R P3 6 0 R o t a t i n gC a...

Page 5: ...5 i O p t r o nI E Q 3 0 T mo u n t GT F8 1A P O 5 0 mmF i n d e r S c o p e 2 P h o t o A d a p t e r C C DC a me r a G T F8 1 A P OA c c e s s o r i e sC h a r t...

Page 6: ...a g o n a l w a sa t t a c h e d 4 I n s e r t e y e p i e c ef o r v i s u a l o b s e r v a t i o na n dt i g h t e nd i a g o n a l l o c ks c r e w 2 R e mo v e1 2 5 a d a p t e r t h e n i n s e...

Page 7: ...x l o wp o w e r w i d ef i e l do f v i e we y e p i e c e As t a b l et r i p o do r mo u n t i s h i g h l y r e c o mme n d e df o r o p t i ma l v i e w i n g T h i s i n c l u d e s h i g hq u...

Page 8: ...l e F o r p r o p e r c l e a n i n g t a k ec a r e o f t h ee x t e r i o r b o d yt u b eb yw i p i n gi t d o w nw i t has l i g h t l yd a mps o f t c l o t hf r o m t i me o f t h ee x t e r i...

Page 9: ...t h eo p t i c a l t e l e s c o p ea s s e mb l y O T A o nac o mp l e t e l y f l a t s u r f a c e u n s t a b l ep l a c e me n t o f t e l e s c o p ema y c a u s ei t t of a l l a n du n l e s s...

Page 10: ...1 0 R e c o mme n d e dP r o d u c t s 5 0 mm F i n d e r G u i d i n gS c o p e 2 D i e l e c t r i cC a r b o nD i g o n a l 2 P h o t oA d a p t e r i O p t r o nI E Q 3 0Mo u n t...

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