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FREE SHIPPING FOR ORDERS OVER 500$* Some exceptions may apply
FREE SHIPPING FOR ORDERS OVER 500$* Some exceptions may apply

Field Flatteners

A field flattener is an optical tool used to correct field curvature in telescopes, particularly refractors. Astrophotographers and visual viewers in visual astronomy must preserve star sharpness over the complete field of vision. Edge performance and wide-field photography depend on it.

Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

Starizona Field Flattener for SkyWatcher EvoGuide 50ED (EVOFF-V3)

Starizona

Starizona Field Flattener for SkyWatcher EvoGuide 50ED The new Starizona EvoFF field flattener turns the Skywatcher Evoguide 50 into a sharp, po...

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Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00
Original price $212.00 - Original price $212.00
Original price
$212.00
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Current price $212.00

SVBONY SV209 1.0x Flattener for SV550 80F6 M63x1 (W9161A)

Svbony

SVBONY SV209 1.0x Flattener for SV550 80F6 M63x1  75 filter thread for the use of 2" filters in the camera adapter Maximum working distance from th...

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Original price $212.00 - Original price $212.00
Original price
$212.00
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Current price $212.00
Original price $348.00
Original price $348.00 - Original price $348.00
Original price $348.00
Current price $249.00
$249.00 - $249.00
Current price $249.00

HoTech SCA Field Flattener 2" (SCA-FFT58)

Hotech

HoTech SCA Field Flattener 2" High Quality Optics Designed for Refractor Telescopes The HoTech SCA Field Flattener 2" is fully multi-coated on two-...

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Original price $348.00
Original price $348.00 - Original price $348.00
Original price $348.00
Current price $249.00
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Current price $249.00
Save $99.00 Save $0.00
Original price $370.00 - Original price $370.00
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$370.00
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Current price $370.00

Takahashi FC-FS Multi Flattener 1.04X (TKA00582)

Takahashi

Takahashi FC-FS Multi Flattener 1.04X  The universal field corrector for FC and FS refractors The multiplication over time of the number of refract...

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Original price $370.00 - Original price $370.00
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$370.00
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Current price $370.00
Original price $1,232.00 - Original price $1,232.00
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$1,232.00
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Current price $1,232.00

Takahashi TOA-645 Flattener kit for TOA-130 (TKA31587S)

Takahashi

Takahashi TOA-645 Flattener kit for TOA-130 The Takahashi TOA-645 field corrector kit for imaging with TOA-130 refractor Takahashi has adapted its...

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Original price $1,232.00 - Original price $1,232.00
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$1,232.00
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Current price $1,232.00
Original price $330.00 - Original price $330.00
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$330.00
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Current price $330.00

William Optics Flat61 for ZenithStar 61 (P-FLAT61A)

William Optics

William Optics Flat61 for ZenithStar 61 This flattener is for ZenithStar 61.            Technical Specifications Telescope Side Connection M54x...

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Original price $330.00 - Original price $330.00
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$330.00
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Current price $330.00
Original price $140.00 - Original price $140.00
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$140.00
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Current price $140.00

Sky-Watcher Field Flattener for EvoGuide 50 (S20214)

Sky-Watcher

Sky-Watcher Field Flattener for EvoGuide 50 Corrects for field curvature, allowing the Evoguide 50ED and 50DX to be used for astrophotography Thre...

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Original price $140.00 - Original price $140.00
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$140.00
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Current price $140.00
Original price $886.00 - Original price $886.00
Original price $886.00
$945.00
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Current price $945.00

William Optics Flattener FLAT68III (P-FLAT68III)

William Optics

William Optics Flattener FLAT68III The William Optics Flattener 68III was made for 6 -7.5 F ratio refractors. This high-quality flattener has been ...

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Original price $886.00 - Original price $886.00
Original price $886.00
$945.00
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Current price $945.00
Original price $194.00 - Original price $194.00
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$194.00
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Current price $194.00

Starfield 1.0x Field Flattener (FF-10)

Starfield

Starfield 1.0x Field Flattener The Starfield 1.0x Field Flattener enhances the imaging capabilities of refractors by eliminating field curvature in...

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Original price $194.00 - Original price $194.00
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$194.00
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Current price $194.00
Original price $317.00 - Original price $317.00
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$317.00
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Current price $317.00

SharpStar 61EDPHⅢ Full Frame Flattener (SHFL61III)

SharpStar

SharpStar 61EDPHⅢ Full Frame Flattener 61EDPH Ⅲ is also equipped with a special full-frame flattener, providing users with more options. The flatte...

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Original price $317.00 - Original price $317.00
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$317.00
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Current price $317.00
Original price $1,323.00 - Original price $1,323.00
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$1,323.00
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Current price $1,323.00

Takahashi TOA-645 Flattener kit for TOA-150 (TKA32587S)

Takahashi

Takahashi TOA-645 Flattener kit for TOA-150 The Takahashi TOA-645 field corrector kit for imaging with TOA-150 refractor Takahashi has adapted its ...

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Original price $1,323.00 - Original price $1,323.00
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$1,323.00
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Current price $1,323.00
Original price $275.00 - Original price $275.00
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$275.00
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Current price $275.00

Starfield Adjustable Flattener for 80 - 155mm Telescopes (SF-FFA-10)

Starfield

Starfield Adjustable Flattener for 80 - 155mm Telescopes The Starfield 1.0x adjustable flattener makes finding the correct back focus easy! Fighti...

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Original price $275.00 - Original price $275.00
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$275.00
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Current price $275.00
Original price $477.00 - Original price $477.00
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$477.00
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Current price $477.00

Askar 1x Flattener for 140APO Refractor (140APO-FL)

Askar

Askar 1x Flattener for 140APO Refractor Upgrade the already incredible optics of the Askar 140 APO Triplet Refractor with the Askar 1x Flattener! I...

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Original price $477.00 - Original price $477.00
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$477.00
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Current price $477.00
Original price $477.00 - Original price $477.00
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$477.00
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Current price $477.00

Askar 1x Full-frame Flattener for 185APO (185APO-1FLAT)

Askar

Askar 1x Full-frame Flattener for 185APO The Askar 185 APO comes with three optional premium accessories, a 1.0x flattener and a 0.8x reducer. Int...

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Original price $477.00 - Original price $477.00
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$477.00
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Current price $477.00
Original price $460.00 - Original price $460.00
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$460.00
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Current price $460.00

Takahashi 1.01x Flattener for FSQ-85ED (TKA37582)

Takahashi

Takahashi 1.01x Flattener for FSQ-85ED    The FSQ-85EDX's additional corrector to cover full-frame sensors With the continuous development of DSLRs...

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Original price $460.00 - Original price $460.00
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$460.00
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Current price $460.00
Original price $217.00 - Original price $217.00
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$217.00
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Current price $217.00

Explore Scientific Field Flattener f/5 to f/7 (ES-FF2F5/F7)

Explore Scientific

Explore Scientific Field Flattener f/5 to f/7   This is a field flattener for refractor-type telescopes with a focal ratio of f/5 to f/7 Causes no...

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Original price $217.00 - Original price $217.00
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$217.00
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Current price $217.00
Original price $0.00 - Original price $0.00
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$0.00
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Current price $0.00

Askar 160APO 1x Full-Frame Flattener (160APO-1FLAT)

Askar

Askar 160APO 1x Full-Frame Flattener     The 1.0x flattener does not change the telescope's focal ratio itself. After connecting with the Askar 16...

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Original price $0.00 - Original price $0.00
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Original price $687.00 - Original price $687.00
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$687.00
$687.00 - $687.00
Current price $687.00

APM-Riccardi Universal Flattener Model 1 (APM-RIFLAT1)

APM

APM-Riccardi Universal Flattener Model 1 Our high-quality, universal flattener for apochromats was calculated by the famous optics designer Massimo...

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Original price $687.00 - Original price $687.00
Original price
$687.00
$687.00 - $687.00
Current price $687.00
Original price $687.00 - Original price $687.00
Original price
$687.00
$687.00 - $687.00
Current price $687.00

APM-Riccardi Universal Flattener Model 2 (APM-RIFLAT2)

APM

APM-Riccardi Universal Flattener Model 2 Our high-quality, universal flattener for apochromats was calculated by the famous optics designer Massimo...

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Original price $687.00 - Original price $687.00
Original price
$687.00
$687.00 - $687.00
Current price $687.00
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