Olympus E-M10 Mark IV adapter help for Astro-Tech 102ED DSO imaging

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Yati avatar

Hello awesome folks. I Need advice on what accessory I will require to use my Olympus E-M10 Mark IV as my main camera to shoot DSOs with my Astro-Tech 102ED, what kind of spacer or other accessories would I need for correct back focus? My kit details are below. I have attached an image of T2-M4/3 adaptor I own. But this does not fit into my scope. I am planning to buy a 0.8X Focal reducer some time in the future to neat up my astro sessions. Thank you in advance:)

Astro-Tech AT102ED 4" f/7 ED Refractor OTA

ZWO AM5N Harmonic Equatorial Mount with Carbon Tripod, ZWO PE200 Pier Extension for the AM5 Mount

Astro-Tech 2" 99% Reflectivity Dielectric Mirror Diagonal

Apertura 32 mm Guide Scope

ASIAIR Plus WiFi Camera Controller - 256GB Version (2024)

ZWO ASI220MM Mini Monochrome Astronomy Camera

Baader Hyperion 8-24 Clickstop Zoom Eyepiece and 2.25X Hyperion Zoom Barlow Kit

Explore Scientific 2in, 18MM Eyepiece

📷 T2.jpegT2.jpeg

andrea tasselli avatar
As long as you can interface that adapter shown in the picture to the telescope's focuser flange (so you'll need a T-mount to 2" flange adapter) you are going to be OK.  Back focus requirements come only when you add either a reducer or a flattener to the imaging train and I don't think you need the former with a 4/3 sensor.
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Yati avatar

Hi Andrea, truly appreciate your swift help in this matter. Thank you so much.

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