OpticsMart.com is selling Apertura dobs, which are GSO/Zhumell/AstroTech scoopes. They differentiate the product line by offering options that most of us have done or considering doing to our scopes as DIY projects.

I did some looking around on their site and they sell these options separately as "tweaks." Because they are made specifically for GSO scopes, I took a gamble thinking that they should work on my Zhumell Z12. I ordered the eyepiece tray (with three 2" eyepiece slots), the OTA handle, the no-tool secondary collimating screws that are cheaper than Bobs Knobs, and the secondary super-awesome-durable washers.

I'll post here when the stuff actually arrives and let you know how everything looks.

-Steve

Forgot to post the link...

http://www.opticsmart.com/accessorie...nd-tweaks.html

-Steve

Thanks,, was looking at the colli knobs also,, let us know

I was thinking about the eyepiece tray.

My thoughts are below:

Eyepiece Tray - This was definitely worth it to me because of the available 2" eyepiece slots, and the lack of available 2" eyepiece slots on the eyepiece tray included with my Zhumell Z12. And it fit. I've seen a number of different eyepiece trays for sale, but they were all too wide and/or had the wrong number of 2" eyepiece slots.

Soft Grip Guide Knob - It cost a little more than I had hoped it would, but once installed it looks like it was there when I took the scope out of the crate. The soft-grip material will be nice on cold nights. Drilling is required.

Secondary Collimation Screws - These were cheaper than what Bob's Knobs were running for the Z12 the last time I checked. Very happy with the purchase.

Secondary Washers - I'm not convinced yet that these were worth the price tag. Time will tell. If I had to do it again, I would probably stick with the stock configuration.

EP Tray Before:



EP Tray Installed:



Soft Grip Guide Knob Before:



Soft Grip Guide Knob Installed:



Secondary Collimation Screws Before:


Secondary Washers Before:


Secondary Collimation Screws and Washers Installed: