Orion 8893 Field Flattener for Short Refractors


Free Shipping Included! Orion 8893 Field Flattener for Short Refractors by Orion at Toni Lynn Photography. MPN: 8893. Hurry! Limited time offer. Offer valid only while supplies last. Optically fast refractors used for astro-imaging are often plagued by significant field curvature, which is especially noticeable when using CCD imagers with APS-C sized and larger sensors, or DSLR cameras. Our handy field flattener resolves the issue by providing excellent field correction while preserving the focal length attributes of your scope. Designed for use with refractors with focal lengths of 400mm to 660mm and focal ratios of f/5 to f/7.5, the Orion Field Flattener for Short Refracto


Orion 8893 Field Flattener for Short Refractors by Orion
4.6 out of 5 stars with 42 reviews
Condition: New
Availability: In Stock
$139.99


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Product Description & Reviews

Optically fast refractors used for astro-imaging are often plagued by significant field curvature, which is especially noticeable when using CCD imagers with APS-C sized and larger sensors, or DSLR cameras. Our handy field flattener resolves the issue by providing excellent field correction while preserving the focal length attributes of your scope. Designed for use with refractors with focal lengths of 400mm to 660mm and focal ratios of f/5 to f/7.5, the Orion Field Flattener for Short Refractors lets you enjoy the full imaging potential of your fast refractor. Fully multi-coated, 38mm clear aperture optics and a glare-reducing threaded interior ensure maximum image contrast. Compatible with 2" focuser drawtubes. Conveniently threaded for use with 2" filters. Backfocus of 55mm is required to achieve proper distance for use with CCD imagers. Use with a DSLR requires a standard M42 T-ring (sold separately) for the camera. Not compatible with M48 "wide" T-rings. Weighs 7.5 oz.

Features & Highlights

  • Eliminate field curvature in short, optically fast refractor telescopes with this handy 38mm clear-aperture, fully multi-coated field flattener
  • Designed for use with 400mm to 650mm focal length refractors with f/5 to f/7.5 focal ratios
  • Optimizes your fast refractor telescope for astrophotography
  • Preserves focal length attributes of the attached refractor telescope while flattening the field of view
  • Requires 55mm of refractor telescope backfocus, weighs 7.5 oz.

Additional Information

Brand:
Orion
Manufacturer:
Orion
Category:
Eyepieces
Model:
8893
MPN:
8893
UPC:
759270088934
Part Number:
8893
Publisher:
Orion
Binding:
Electronics
Package Weight:
0.65 pounds
Package Size:
3.1 x 2.7 x 5.8 inches

 


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