WebFeb 13, 2024 · If you have tracking issues or problems with the focuser, these are far, far more important to fix than worrying about the small aberration introduced by the mirror separation. I did find the fwhm was much higher when the spacing was off. During initial setup, I managed (by mistake) to move FL to 1390 on RC6. WebApr 11, 2024 · SCT crayford focuser - posted in Cats & Casses: Looking to mount 1 of these on a 8 or 9.25 SCT, can a focal reducer still be used along with this focuser. Will be using scope for visual only. Looking at GSO dual speed or TPO dual speed.
A New Ritchey-Chrétien Telescope for …
WebApr 5, 2024 · Hi guys, I've just acquired an Altair branded RC8 carbon tube. I'm trying to find the back fucus distance to chip from the backplate on the scope. I've got myself an astrophysics 0.67x telecompressor. I'm getting conflicting distances - I'm being told 254mm which is a mile long. If anyone has a pic of their configuration & or distances etc ... Webaluminum focuser rotation lock ring (shown above) by turn-ing the ring slightly counterclockwise. This ring also connects the focuser to the telescope rear cell or to an extension ring. Adjust the focuser to the desired angle. Then turn the lock ring back in the opposite direction to lock the focuser in its new orientation. how many prayers in nehemiah
Taming a GSO Ritchey-Chrétien Telescope (iOptron Photron RC8)
WebGSO 2" RC/CC Crayford focusers are available in 2 versions: Dual speed linear bearing focuser # GS-M-LRS-2 (this item): Suitable for visual applications with fine focus control … We would like to show you a description here but the site won’t allow us. WebFocuser 1:10 Monorail focuser for extremely smooth focusing. No image shift and up to 5kgs load capacity. The focuser accepts 2" and 1.25" accessories. Dovetail mounting rail A GP-style dovetail rail is mounted … WebMar 3, 2015 · The GSO RC allows three adjustments: a) The optical axis (primary mirror) and focuser vs the tube axis (step 2). This requires normally no adjustment. Unfortunately the focus tube vs. primary mirror is not adjustable (step 1). b) Secondary mirror collimation. This could require adjustment and normally the only adjustment you should make.(step 3) how many prayers in isha