Sky-Watcher Esprit 100 Field Corrector/Flattener

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Product Code: OVL20188


An optically-matched M48-fitting doublet field flattener for Sky-Watcher's Esprit 100 ED PRO triplet refractor.

The M48 fitting provides a large clear aperture to reduce halation. A precision thread ensures the triplet and doublet lens groups are precisely aligned on the optical axis perpendicular to the image.

The Esprit-100's imaging circle is 40 mm when used with the field flattener. 

Notes 

  • When fitting a DSLR camera, you need only an M48 Ring to suit your Canon, Nikon or Sony DSLR camera. No spacers are required.
  • The spacing for dedicated CCD imaging cameras is 55 mm from the mating surface (69.8 mm from centre of the rear element). 
  • The rear thread is M48. When using T-threaded accessories, you will need an Astro Essentials M48-T adapter.