Askar SQA85 - 85 mm f/4.8 Petzval APO Refractor - SQA85 dwarflab This is the mechanical Pier

This is the mechanical Pier Extension for the AZ-EQ5 mount from Sky-Watcher USA

it blocks enough glare so that the planet''s phases can more easily be seen

To demonstrate just one of the effects you will see

the Regal features flat field optical technology that counter-balances the normal visual field curvature convex lenses naturally show

Askar SQA85 - 85 mm f/4.8 Petzval APO Refractor - SQA85 dwarflab This is the mechanical PierThe Askar SQA85 is a Petzval quintuplet refractor made with not one, but two SD glass elements for superb color, clarity and sharpness. The SQA85 has a native focal length of 4. 8 and a focal length of 408 mm, and it supports full frame cameras as well as APS. Because of it's Petzval lens structure, which is beautifully flattened without the use of a separate component, there is no need to calculate a specific back focus. About the SQA85 Optics The