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Sky-Watcher Evoguide 50 Field Flattener - for Astrophotography

Free shipping on orders over $29.99

$84.95

$ 33 .99 $33.99

In Stock

About this item

  • 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


Field Flattener for Sky-Watcher Evoguide 50ED and DX is designed for serious Astro-Imagers. Optimized for the Sky-Watcher Evoguide 50ED and DX, this superb quality accessory effectively provides much improved field-edge correction


C. Gregory
Reviewed in the United States on June 28, 2024
I saw one guy online get a filter in an asi533mc, but using a larger sensor I don't think it's possible.Best to use the dx50 and this field flattener in dark skies and a color camera so you don't need a filter, or you use the asi533 with an 1 1/4 filter screwed in close to the camera.Upgrading to a redcat51 would cost more $$, but you could use filters!
MagicManTown
Reviewed in the United States on March 6, 2024
I ordered this since the Starizona Field Flattener v2 is out of stock for a few weeks. It works but as noted on several youtube videos - the back focus is VERY limited. I could not extend it past the 17 mm? limit to get anything in focus - had to attach my 533 MC Pro camera with NO other spacers - directly threaded to this Field Flattener.Tonight - working on Bode's and Cigar Galaxy at roughly 266 mm focal length - that is what ASIAir Plus calculated for my set up with this Field Flattener - extending the native 242 mm to 266 mm.
James A.
Reviewed in the United States on January 29, 2024
Great for imaging with the Evoguide 50 and an astrophotography camera. Does not have the back spacing for an mirrorless or DSLR camera.
Edward Vela
Reviewed in the United States on August 30, 2023
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