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Focal Reducers and Field Flatteners

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Orion Field Flattener for EON 104mm ED-X2 Triplet Refractor
Designed specifically for use with the EON 104mm ED-X2, this device corrects field curvature to yield an optically flat field for optimized imaging performance. Includes standard T-thread (M42) and wider-format M48 camera attachment adapters.
$299.99

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Baader MPCC Mark III Multi-Purpose Coma Corrector
The Baader MPCC MkIII virtually eliminates coma in fast Newtonian reflector telescopes. Designed for astrophotography with telescope focal ratios ranging from f/3.5 to f/6, this Coma Corrector delivers tack-sharp stars across a 35mm frame size.
$259.99

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Tele Vue 0.8x Reducer/Flattener
5.0 / 5.0
A perfect focal reducer and field flattener for refractor telescopes in the 400-600mm focal length range coupled with a DSLR or other CCD camera. Helps eliminate distorted stars at the edge of the field, and features fully multi-coated lenses.
$295.99

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Orion Field Flattener for Short Refractors
4.6 / 5.0
Designed for use with 400mm to 660mm focal length refractor telescopes with focal ratios of f/5 to f/7.5, this Field Flattener lets you enjoy the full potential of your fast refractor telescope for astrophotography. Fully multi-coated optics.
$149.99

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Orion 0.8x Focal Reducer for Refractor Telescopes
4.8 / 5.0
The Orion 0.8x Focal Reducer for Refractors increases any 2" focuser-equipped astrophotography refractor's field of view while reducing the effective focal length by a factor of 0.8x, thereby providing a shorter, more optically fast focal ratio.
$149.99

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Orion 0.5x Focal Reducer for StarShoot G3-G4 Imaging Cameras
4.5 / 5.0
The 1.25" Orion 0.5x focal reducer increases the area imaged by your StarShoot G3 or G4 camera. The larger imaging area allows capture of larger star fields that may not fit entirely in your telescope's normal field of view.
$44.99

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Orion 0.8x Reducer-Flattener, EON 115mm ED Triplet Refractor
The 0.8x Reducer-Flattener (for photography only) provides pinpoint stars to the edge of the image frame. It also reduces the EON 115's effective focal length from 805mm to 644mm, for a zippy f/5.6 focal ratio. A must-have accessory for imaging.
$249.99

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Orion 0.8x Reducer-Flattener, EON 130mm ED Triplet Refractor
The 0.8x Reducer-Flattener (for photography only) provides pinpoint stars to the edge of the image frame. It also reduces the EON 130's effective focal length from 910mm to 728mm, for a zippy f/5.6 focal ratio. A must-have accessory for imaging.
$249.99

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