Askar SQA85 - 85 mm f/4.8 Petzval APO Refractor - SQA85 dwarflab The preceding is just a

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

you'll get superior pointing accuracy from horizon to horizon

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76") Filter thickness: 20mm (0

Askar SQA85 - 85 mm f/4.8 Petzval APO Refractor - SQA85 dwarflab The preceding is just aThe 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