Do telescope retailers just not carry any inventory? Looks like everything is backordered or lead times are months. Maybe the convergence blew out everyone's inventory, or COVID supply problems are still in effect?
I'm trying to buy a finderscope to add to my dobsonian - one that's less than $100 (I'd like the Orion 9x50 RACI), and I can't find one in stock other than the really cheap ones or the really expensive ones that are in stock. I have a telrad but I'd like to do two-step locating with a shorter eyepiece mounted. The telrad isn't accurate enough, at least for this beginner.
On the other hand, I'd buy one that's a little more expensive that could later be used as a guide scope in an AP rig and use a prism and eyepiece for visual, but I'm not sure the best setup for that.
Good suggestions. The ST80 seems like a good option. It’s going on a Z10. If I use a RA I should be able to mount it in the middle and avoid major balance problems. I’ll explore the options. Thanks!
I am confused.
The Z10 comes with a GSO 8X50 RACI finder. It is labeled Zhumell, but it is this finder.
The Orion 9X50 won't be much different. I had an Orion XT8i with the 9X50 and now own an Apertura AD12 with the 8X50. Not much difference. So, why don't you have the RACI on your Z10?
Zhumell, Orion Skyline, and Apertura are all GSO scopes with GSO accessories, relabeled. Good stuff.
May I suggest that you expand your signature to include your equipment so we can see what you have in eyepieces and accessories.
On my Orion XT8i and my Apertura AD12 I have the RACI and then added the Telrad. Great combination!
To that I added a 38 mm 70 degree AFOV Agena Astro SWA eyepiece. The Orion Q70 is the same eyepiece with a different label. In the Z10 that would give you 31.5 X and 2.2 degree FOV. So your finder set is RACI to 8x50 to 38 mm.
If, for some reason, your Z10 doesn't have the RACI, you might still consider going from Telrad to 38 mm. The Telrad rings are .5, 2 and 4 degrees. The 38 mm gives you 2.2 degrees so if you can get the target within the 2 degree circle you can see it in the eyepiece.
I am in a very light polluted area. Star hopping is near impossible, so I use the AltAz coordinate system as my primary method for finding things.
Using an angle gauge to help find targets – AltAz coordinates
I added an azimuth scale to the mount and an angle finder to the optical tube and now I can point the scope at anything with great success.
Since going to the AltAz coordinate system, the Telrad is just used as a RDF to get me into the general area. Often I skip the RACI finder and go right to the 38 mm/70 or my 20 mm/82. In the 12" the 38 gives me a 1.7 degree FOV. I normally hit the target within that field or slightly outside. Finding stuff is no longer an issue even in my Bortle 8 location.
Edited by aeajr, 05 March 2021 - 08:47 AM.