Sky-Watcher Field Flattener Esprit-80

Reference 20187

£149.00 VAT inc

An optically-matched M48-fitting doublet field flattener for Skywatcher’s Esprit 80 ED PRO triplet refractor.

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

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Our Description

An optically-matched M48-fitting doublet field flattener for Skywatcher’s Esprit 80 ED PRO triplet refractor.

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

When used with the field flattener the Esprit-80’s imaging circle is 33mm.

Notes

  • When fitting a DSLR camera you need only a M48 Ring to suit your Canon or Nikon camera. No spacers are required.
  • The spacing for dedicated CCD imaging cameras is 54.9mm from mating surface (75mm from centre of rear element).
  • The rear thread is M48. When using T-threaded accessories you will need a FLO M48-T adapter.

Features

Reference: 20187

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