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Orion Telescopes

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Orion Field Flattener for Short Refractors
$129.99
 
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In Stock
  • 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 660mm 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
  • Compatible with 2" focusers and requires 55mm of backfocus, weighs 7.5 oz.


Learn more
Item #  08893

Optically fast refractor telescopes used for astrophotography 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. Orion's handy field flattener resolves the issue by providing excellent field correction while preserving the focal length attributes of your telescope.

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 telescope. Fully multi-coated, 38mm clear aperture optics and a glare-reducing threaded interior ensure maximum image contrast.

The ORion Field Flattener for Short Refractors is compatible with 2" focuser drawtubes and is conveniently threaded for use with 2" filters. Backfocus of 55mm is required, we recommend using the Orion T-thread Spacer Ring Kit (sold separately) to achieve proper distance for use with CCD imagers. Use with a DSLR requires a T-ring for the camera (T-ring sold separately). Weighs 7.5 oz.

Warranty

Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at 800-676-1343.

Warning

Please note this product was not designed or intended by the manufacturer for use by a child 12 years of age or younger.

Product Support
Visit our product support section for instruction manuals and more

Orders received by noon Pacific Time for in-stock items ship the same business day. Orders received after noon will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

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