Flatteners, Reducers & Correctors

Field flatteners, focal reducers, extenders and coma correctors — matched to the telescope they were made for. Part of Telescopes.

135 products

Showing 73 - 96 of 135 products

Showing 73 - 96 of 135 products
View
William Optics Flat73R Reducer Flattener with RotatorWilliam Optics Flat73R Reducer Flattener with Rotator
William Optics William Optics Flat73R Reducer Flattener with Rotator
$369.99 CAD
RCC I, Rowe Coma CorrectorRCC I, Rowe Coma Corrector
Baader Planetarium RCC I, Rowe Coma Corrector
From $269.99 CAD
Choose options
Askar 80PHQ 0.76x Full Frame ReducerAskar 80PHQ 0.76x Full Frame Reducer
Askar Askar 80PHQ 0.76x Full Frame Reducer
$368.20 CAD
William Optics FLAT GT field flattener for Gran Turismo refractors
William Optics William Optics FLAT GT Field Flattener
$361.20 CAD
Adjustable 2.5" Reducer for ED102 and Gear 115Adjustable 2.5" Reducer for ED102 and Gear 115
Starfield Adjustable 2.5" Reducer for ED102 and Gear 115
$354.99 CAD
Askar FRA400C 0.7x Full-Frame Reducer
Askar Askar FRA400C 0.7x Full-Frame Reducer
$349.99 CAD
Takahashi 1.01x flattener for FSQ-85EDX full-frame astrophotography field flattenerTakahashi 1.01x flattener for FSQ-85EDX side profile showing M72 and M54 threads
Takahashi Takahashi Flattener 1.01x for FSQ-85EDX
$347.00 CAD
Sky-Watcher Esprit 100EDX field flattener optical corrector for full-frame deep-sky astrophotography
Sky-Watcher Sky-Watcher Esprit 100EDX Field Flattener
$330.00 CAD
Starfield Adjustable 2" 0.8x ReducerStarfield Adjustable 2" 0.8x Reducer
Starfield Starfield Adjustable 2" 0.8x Reducer
$319.99 CAD
61EDPHⅢ f/4.4 Full-Frame Reducer
Sharpstar 61EDPHⅢ f/4.4 Full-Frame Reducer
$317.00 CAD
61EDPH III Full frame flattener61EDPH III Full frame flattener
Sharpstar 61EDPH III Full frame flattener
$317.00 CAD
Sky-Watcher field flattener for the Esprit 70EDX and Evostar 100EDX refractors, an optical corrector for full-frame deep-sky astrophotography
Sky-Watcher Sky-Watcher Esprit 70EDX / Evostar 100EDX Field Flattener
$310.00 CAD
Askar 1x Full-frame Flattener for 103APO
Askar Askar 1x Full-frame Flattener for 103APO
$300.00 CAD
Askar 65PHQ 0.75x Full Frame Reducer
Askar Askar 65PHQ 0.75x Full Frame Reducer
$299.60 CAD
Takahashi FC/FS Multi-Flattener 1.04x field flattener for FC and FS doublet refractors, astrophotography correctorTakahashi FC/FS Multi-Flattener 1.04x showing M56x0.75 telescope-side thread
Takahashi Takahashi FC/FS Multi-Flattener 1.04x Field Flattener
$299.00 CAD
Save $56.00
Explore Scientific COMA CORRECTORExplore Scientific COMA CORRECTOR
Explore Scientific Explore Scientific HR Variable Coma Corrector 2-inch WITH M42 and M48 Camera Adapters
$290.95 CAD $346.95 CAD
Baader Multi Purpose Coma Corrector
Baader Planetarium Baader Multi Purpose Coma Corrector
$289.99 CAD
Daystar QUARK Visual Focal Reducer
Daystar Filters Daystar QUARK Visual Focal Reducer
$284.99 CAD
Askar 91F 0.75x reducer - main product view showing compact CNC-machined body with protective metal thread caps
Askar Askar 91F 0.75× Focal Reducer
$278.60 CAD
Celestron f/6.3 reducer/corrector
Celestron Celestron f/6.3 reducer/corrector
$277.00 CAD
Starfield Adjustable 1.0x Flattener
Starfield Starfield Adjustable 1.0x Flattener
$274.99 CAD
Explores Scientific 2x 2" Focal Extender
Explore Scientific Explore Scientific 2x 2-Inch Telecentric Focal Extender
$249.95 CAD
EXPLORE SCIENTIFIC 2" 3X FOCAL EXTENDEREXPLORE SCIENTIFIC 2" 3X FOCAL EXTENDER
Explore Scientific Explore Scientific 3x 2-Inch Telecentric Focal Extender
$249.95 CAD
Takahashi TOA130FN field flattener wide T-mount adapter for DSLR astrophotography on the TOA-130
Takahashi Takahashi TOA130FN Flattener Wide T-Mount
$228.00 CAD

Recently viewed