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Summary of Contents for Askar FRA400C
- Page 1 FRA400C ， User s Manual DO NOT LOOK AT SUN THROUGH TELESCOPE. IT WILL CAUSE IRREVERSIBLE DAMAGE TO YOUR EYES. w w w . s h a r p s t a r - o p t i c s . c o m...
- Page 2 E n g l i s h I n s t r u c t i o n s f o r u s e T h e F R A 4 0 0 C i s a n O T A w i t h a n a p e r t u r e o f 7 2 m m , a f o c a l l e n g t h o f 4 0 0 m m , a n d a n a t i v e f o c a l r a t i o o f F 5 .
- Page 3 M 4 8 a d a p t e r . I n c l u d e s 1 . 2 5 " a n d 2 " e y e p i e c e a d a p t e r s f o r v i s u a l o b s e r v a t i o n . FRA400C Specifications Aperture：7 2 m m Focal length：4 0 0 m m...
- Page 4 Product Size Diagram Retractable Coarse adjustment Coarse adjustment lens hood locking knob handwheel Finder base M54×0.75 Rotator M48×0.75 M72×1 Built-in 2-inch filter adapter Quick-release multi- Aperture Handwheel functional handle 290mm Vixen style dovetail plate Coarse adjustment Aperture Handwheel handwheel Finder base Rotator locking screw 240（12×20）...
- Page 5 Steps of Installing EAF Matching screws ① Unscrew the coarse adjustment locking screw,align the coarse adjustment ring scale with the infinity mark. Align the central slot of the EAF motor bracket with M4 screw hole at the top of the tube ring and fix it with two original electric focuser locking screws.
- Page 6 ④ After assembly, lift the electric focuser upwards to tighten the synchronous belt, and then lock the step ② screws and the fixing screws of the synchronous pulley. Items in FRA400C Packaging FRA400C OTA An 1.25 adapter An 2 adapter "...
- Page 7 Official site Facebook YouTube Twitter...
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