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Field Flatteners

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

ONLY £116.00

Skywatcher Field Flattener For Esprit 80 ED


A high quality dual element 0.8x Field Flattener / Reducer for use with Starwave 70ED Refractor and Canon DSLR.

ONLY £119.00

Altair Canon DSLR 0.8x Reducer Flattener Kit For Starwave 70ED


A dedicated field flattener by William Optics for the Zenithstar 73 telescopes. 1:1 ratio so no reduction.

ONLY £159.00   £139.00

William Optics Field Flattener For Zenithstar 73


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

ONLY £155.00

Skywatcher Field Flattener For Esprit 100 ED


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.

ONLY £169.00

William Optics Adjustable Field Flattener For Zenithstar 61


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.

ONLY £169.00

William Optics Adjustable Field Flattener For Zenithstar 73


This large format field flattener is designed to work with the Altair Astro 102mm, 115mm and 130mm F7 EDT Triplet APOs, and has an M48 rear conical adapter for connecting your DSLR or CCD camera.

ONLY £174.99

Altair Planostar 3'' 1.0x Flattener For 102, 110, 115 & 130 Refractors


Meade's Focal Reducer/Field Flattener is a fully multi-coated, 3 element design to help the astro-photographer capture wide field photographs of the night sky with the Series 6000 APO's.

ONLY £282.00

Meade Series 6000 Field Flattener / Focal Reducer 2''


The Explore Scientific 3in 0.7x Reducer - Corrector reduces the effective focal length of a particular instrument by the factor 0.7x (for f/8) and 0.8x (for f/10) respectively. The reducer/corrector not only reduces the focal length but also operates as a very effective field flattener.

ONLY £312.00

Explore Scientific 0.7x Reducer/Corrector 3''


Meade's Focal Reducer/Field Flattener is a fully multi-coated, 3 element design to help the astro-photographer capture wide field photographs of the night sky with the Series 6000 APO's.

ONLY £395.00

Meade Series 6000 Field Flattener / Focal Reducer 3''

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