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Reducers, Flatteners and Correctors

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Celestron f6.3 Focal Reducer
Celestron f6.3 Focal Reducer
£129.00
£159.99

This combination focal reducer and field corrector lens accessory works with all Celestron 5", 8", 9 1/4", 11" and 14" Schmidt-Cassegrain telescopes. 

Celestron Reducer Lens .7X for EdgeHD Telescopes
Celestron Reducer Lens .7X for EdgeHD Telescopes
From  £349.00
(1)
ZWO ADC Atmospheric Dispersion Corrector
ZWO ADC Atmospheric Dispersion Corrector
£127.00

A must-have for serious planetary observers and photographers.

William Optics New Adjustable Flat61 Flattener for ZS61
William Optics New Adjustable Flat61 Flattener for ZS61
£209.00

1:1 power flattener for the William Optics ZenithStar 61!

William Optics Adjustable Flat73A for Z73
William Optics Adjustable Flat73A for Z73
£209.00

Field flattener optically matched for the ZenithStar 73.

William Optics Adjustable Flattener 6A III
£209.00

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.

William Optics Adjustable Flattener 6A III for FLT91
William Optics Adjustable Flattener 6A III for FLT91
£239.00

This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics FLT91.

William Optics Flattener 68III
William Optics Flattener 68III
£659.00

This revolutionary new WO FF68II Adjustable Flattener was made for 6 -7.5 F ratio refractors.

William Optics x0.72 Reducer / Flattener 8
£759.00
Tele Vue 0.8x Reducer/Flattener
Tele Vue 0.8x Reducer/Flattener
£349.00
£379.00
APM Riccardi Reducer
APM Riccardi Reducer
From  £449.00

A reducer, as its name implies, "reduces" the focal length of your telescope by a set factor.

OVL Field Flattener (with T-Ring Adaptor)
OVL Field Flattener (with T-Ring Adaptor)
£85.00
£99.00

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.

Explore Scientific 0.7x Reducer/Corrector 3''
Explore Scientific 0.7x Reducer/Corrector 3"
£395.00

The Explore Scientific 0.7x Reducer/corrector 3" reduces the effective focal length of a particular telescope by the factor 0.7x (for f/8) and 0.8x (for f/10) respectively.

STF 2'' Achromatic Reducer 0.8x
STF 2" Achromatic Reducer 0.8x
£149.99

STF 2" Reducers can be used with Maksutov-Cassegrain telescopes which feature with focal plane extension not less than 180 mm.

Founder Optics 0.8x Focal Reducer
Founder Optics 0.8x Focal Reducer
£129.00

In Stock!

Founder Optics Field Flattener for FOT106
Founder Optics Field Flattener for FOT106
£249.00
Founder Optics Universal Field Flattener
Founder Optics Universal Field Flattener
£119.00

In Stock!

Sky-Watcher ED 0.9x Focal Reducer/Flattener for Evolux
Sky-Watcher ED 0.9x Focal Reducer/Flattener for Evolux
£247.00
£269.00
Sky-Watcher Field Flattener for Evoguide-50ED
Sky-Watcher Field Flattener for Evoguide-50ED
£85.00
£99.00
Starizona Apex ED 0.65x Reducer / Flattener
Starizona Apex ED 0.65x Reducer / Flattener
£499.00
£649.00
Tele Vue 0.8x Reducer for NP Scopes (NPR-2073)
Tele Vue 0.8x Reducer for NP Scopes (NPR-2073)
£479.00
Tele Vue Big Paracorr type 2
Tele Vue Big Paracorr type 2
£1,279.00
£1,299.00
Tele Vue Paracorr type 2
Tele Vue Paracorr type 2
£499.00
£549.00

Paracorr - more stars, sharper stars, more time to observe.

William Optics M54 Flattener Adapter
William Optics M54 Flattener Adapter
£49.00
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