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Field Flatteners & Coma Correctors

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OVL Field Flattener With T Ring Adaptor

OVL Field Flattener With T Ring Adaptor£72.00

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Superb quality, non-focal reducing Field Flattener optimised for DSLR imaging on refractor telescopes with focal ratios of between f/5.5 to f6.0. Will also provide much improved results on refractors with focal lengths narrowly outside this optimised f/range.

Vixen Coma Corrector III For R200SS OTA

Vixen Coma Corrector III For R200SS OTA£98.00

For Vixen R200Ss Newtonian reflector telescope. Reduces coma aberration around the edge of field of view. The focal length is not changed. Fits directly into the focuser drawtube.

William Optics STL-1100 Adaptor For FLT Field Flattener

William Optics STL-1100 Adaptor For FLT Field Flattener£109.00

This adapter is specifically designed to use the SBIG STL-11000 CCD cameras together with our TMB-designed FLT field flattener.

Explore Scientific ES MPCC Field Flattener ED APO Canon EOS T2 Mount

Explore Scientific ES MPCC Field Flattener ED APO Canon EOS T2 Mount£115.00

Explore Scientific MPCC Field Flattener with Canon EOS T2. Custom designed to be used with the Explore and Meade APOs. Includes a Canon fitting as standard.

Explore Scientific MPCC Field Flattener ED APO Nikon T2

Explore Scientific MPCC Field Flattener ED APO Nikon T2£115.00

The image plane of many telescopes is not plane, but curved. This results in a picture that has its optimal focus only in the center of the field of view - the edge of the field is out of focus and thus unsharp.

Skywatcher Field Flattener For Esprit 80 ED

Skywatcher Field Flattener For Esprit 80 ED£116.00

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

Skywatcher 2'' Coma Corrector

Skywatcher 2" Coma Corrector£119.00

Optimised for all Sky-Watcher fast-ratio f/5 Newtonian Reflectors / Dobsonians, with 2” focuser. Delivers stunning wide-field views with pinpoint stars to the edge of the field. Magnification remains unaltered.

Baader MPCC Multi Purpose Coma Corrector Mark III

Baader MPCC Multi Purpose Coma Corrector Mark III£139.00

The Baader Mark-III Coma Corrector is the long awaited replacement for the highly regarded Baader MPCC Coma Corrector.

Baader RCC I Rowe Coma Corrector

Baader RCC I Rowe Coma Corrector£139.00

Baader Planetarium Rowe Coma Corrector - Use this fantastic product to correct the Coma that is inherent in fast Newtonian imaging.

Skywatcher Field Flattener For Esprit 100 ED

Skywatcher Field Flattener For Esprit 100 ED£155.00

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

RVO Horizon® 1.0x Rotatable Field Flattener

RVO Horizon® 1.0x Rotatable Field Flattener£169.00

Introducing the brand new RVO Horizon® 1.0x Field Flattener with integrated rotator to suit the RVO Horizon® 72 ED refractor. This high quality flattener will provide a beautifully flat field across the full width which is ideal for widefield imaging.

William Optics Adjustable Field Flattener For Zenithstar 61

William Optics Adjustable Field Flattener For Zenithstar 61£169.00

Brand new adjustable field flattener for the William Optics Zenithstar 61 OTA. This is a brand new 2019 item which is now in stock at Rother Valley Optics.

William Optics Adjustable Field Flattener For Zenithstar 73

William Optics Adjustable Field Flattener For Zenithstar 73£169.00

Brand new adjustable field flattener for the William Optics Zenithstar 73 OTA. This is a brand new 2019 item which is now in stock at Rother Valley Optics.

William Optics P-FLAT6AIII Adjustable Field Flattener / 0.8x Reducer

William Optics P-FLAT6AIII Adjustable Field Flattener / 0.8x Reducer£179.00

This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. WO Flat 6Alll will provide good illumination and flat field across 97% of full frame sized sensors.

Skywatcher 0.85x Reducer / Corrector For Evostar 72 ED

Skywatcher 0.85x Reducer / Corrector For Evostar 72 ED£185.00

Designed for serious Astro-Imagers. Optimised for the Evostar-72ED PRO, this superb quality accessory effectively reduces the telescope’s focal length by a factor of 0.85x and provides much improved field-edge correction.

Skywatcher Field Flattener For Esprit 120

Skywatcher Field Flattener For Esprit 120£196.00

An optically-matched M48-fitting doublet field flattener for Sky-Watcher's Esprit 120 ED PRO triplet refractor.

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Page 1 of 2:    32 Items