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Sky-Watcher Field Flatteners, Reducers & Coma Correctors

Sky-Watcher field flatteners, reducers and coma correctors are matched to specific Sky-Watcher telescopes to give round stars across the sensor. Most are dedicated reducer/flatteners: 0.77x for the Esprit 120, Esprit 150 and Evostar 150DX, 0.85x for the Evostar 72ED, 80, 100 and 120, and 0.9x for the Evolux 62ED and 82ED.

The range also includes a flattener for the Evoguide 50ED and the Quattro coma corrector for the f/4 Quattro imaging Newtonians.

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Original price $490.00 - Original price $490.00
Original price
$490.00
$490.00 - $490.00
Current price $490.00

Sky-Watcher Quattro Coma Corrector

SW-S20204

Corrects coma in fast Newtonian telescopes Delivers pinpoint stars across the entire field of view Maintains the telescope's native focal length a...

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Original price $490.00 - Original price $490.00
Original price
$490.00
$490.00 - $490.00
Current price $490.00
Original price $525.00 - Original price $525.00
Original price
$525.00
$525.00 - $525.00
Current price $525.00

Sky-Watcher Esprit 120 0.77x Reducer/Flattener

SW-S20209
2 in stock

Converts the Esprit 120 to a 647mm f/5.4 astrograph Provides a 0.77x focal reduction factor Cuts required exposure times by 68% compared to the na...

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Original price $525.00 - Original price $525.00
Original price
$525.00
$525.00 - $525.00
Current price $525.00
Original price $115.00 - Original price $115.00
Original price
$115.00
$115.00 - $115.00
Current price $115.00

Sky-Watcher Evoguide 50ED Flattener

SW-S20214
1 in stock

Transforms the Evoguide 50ED/DX into a wide-field astrograph Produces a 28mm corrected imaging circle for flat, sharp stars Standard 17.5mm ...

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Original price $115.00 - Original price $115.00
Original price
$115.00
$115.00 - $115.00
Current price $115.00
Original price $525.00 - Original price $525.00
Original price
$525.00
$525.00 - $525.00
Current price $525.00

Sky-Watcher Esprit 150 0.77x Reducer/Flattener

SW-S20215

Reduces focal ratio to f/5.4 Provides a 36mm fully illuminated field 0.77x reduction factor changes focal length to 810mm Cuts exposure times by 6...

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Original price $525.00 - Original price $525.00
Original price
$525.00
$525.00 - $525.00
Current price $525.00