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Old 15-11-2020, 07:42 AM
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xa-coupe (Jeff)
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Join Date: Apr 2020
Location: Melbourne
Posts: 306
Quote:
Originally Posted by Harpage View Post
You're adding it up correctly Jeff, but remember that your T-Ring will also add about 11mm backfocus (to add up to 55mm), so you're actually at 86.5mm.

As to solutions, well really you'd have to either use a lower profile T-Ring and filter drawer (former exists, not sure about latter), or just thread the filters right onto the flattener. It has M48 threads I believe.

Thank you Danh, I've been looking further into it and have now come to the same conclusion as you; I have a great filter drawer for when I buy a dedicated astro camera and I will screw the filter directly in to the threads on the flattener.
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