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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Black anodized finish
Precisely corrects field curvature
2X Chargers
Simply attach this adapter to your camera the same way as you attach a lens then screw your T2 lens or accessory into the adapter
EMH150 Pier Extension
Dark Clear Skies M54M to M42M Back Focus Spacer – 2mm wide field telescope Black anodized finishThe Dark Clear Skies M54M to M42M Fine Back Focus Spacer (2 mm) is a precision machined spacer designed for accurate fine adjustment of back focus distance in astrophotography imaging trains. Purpose & Use Many telescope reducers and field flatteners require very precise back focus spacing to deliver optimal star shapes and edge correction. Small spacing errors of just a few millimetres can noticeably affect image quality, particularly when using fast
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