EvoGuide 50 Field Flattener Lens - Astronomy Telescope Accessory for Astrophotography & Stargazing
$63.25
$115
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Description
- Corrects for field curvature, allowing the Evoguide 50ED and 50DX to be used for astrophotography
- Thread on metal caps
- T-thread connection or 1.25" opening for camera mounting
- 28mm imaging circle
- 17.5mm back focus
- 5.33 x 3.57-degree field of view when used with APS-C crop sensor 
