香港天文論壇

Any QE curve of the mono sensor ?

Raymond

不知道Faster結構(CCD相机在鏡前)，如何在遙遠控制中又鎖鏡(防止SCT mirror flop)，又可以用馬達自動对焦(人不在鏡旁，不能先对焦后鎖鏡)？

Raymond

希望造高身立柱、碳纖12.5吋F5筒等
排著前排位先

手工勵害。學習中。

Raymond

Mirror God,

I must visit and see the ServoCat motors' mounting plates in real-life action, to gain some insights of the mounting possibility.

Would call you for an appointment.

Raymond

Dear Mirror God, Would the Servo Cat Junior version be even fitted to az-alt mount such as T-Rex mount (capable of supporting 20kg OTA and which has built-in digit setting circles for AN, as shown in the picture) ? A separate set of Junior motors would enable the ServoCat controller (capable of stor...

Dear Mirror God, Do you use the standard Servo Cat or the Junior version ? All DIY installation by yourself ? How to set the gearing ratios ? I am also considering to use the Servo Cat Junior version for my Starsplitter 12.5inch F5 dob (already installed with AN) but am put off by the DIY and the pa...

Very good as super sensitive wide field finder.

Not sure whether there is any low pass filter. Better to modify to remove loss pass filler and to cool it to reduce the serious chromatic noises.

試下用C9做spotting scope :-

打濕地公園雀鳥
http://www.youtube.com/watch?v=wJ4YrYTsK2s

Raymond Tse

有沒有C925EdgeHD用的？

兩個孔距是多少mm？

Can the lower screw of the dovetail be attached to the top of Ha lei's wedge ?

哈雷
頂板不用平面，直接改為鳩尾槽，或者2款互換，可以嗎？

Raymond Tse

Good looking.

Borg/Hutech also has a M57 outer thread filter ring system for M52 filter. With a thread converter adapter, you can convert M52 to M48 for astro filter.

The light path is about 15mm.

A bit slow to change filters for RGBLHa for 1 night but LPS type constant filter should be ok.

Raymond