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 1 - 24 of 135 products

Showing 1 - 24 of 135 products
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Takahashi 645 Reducer 0.7x focal reducer for FSQ-130ED large-format astrophotographyTakahashi 645 Reducer 0.7x optical assembly for FSQ-130ED
Takahashi Takahashi FSQ-130ED 0.7x 645 Reducer
$3,356.00 CAD
Takahashi 645RD QE 0.72x focal reducer for FSQ-106EDX4 medium-format astrophotographyTakahashi 645RD QE 0.72x reducer optical assembly, four lenses in four groups
Takahashi Takahashi FSQ-106EDX4 0.72x 645RD QE Reducer
$3,229.00 CAD
Takahashi 645 Reducer-CA 0.72x focal reducer for CCA-250 medium-format astrophotography
Takahashi Takahashi CCA-250 0.72x 645 Reducer-CA
$2,947.00 CAD
Takahashi F/3 0.6x Reducer for FSQ-106EDX4 fast astrograph focal reducerTakahashi F/3 0.6x Reducer optical assembly, four elements in three groups
Takahashi Takahashi FSQ-106EDX4 0.6x F/3 Reducer
$2,256.00 CAD
Takahashi TOA-35 0.7x reducer kit with CA Ring 130 for TOA-130NS and TOA-130NFB astrophotography
Takahashi Takahashi TOA-130 0.7x TOA-35 Reducer
$1,495.00 CAD
Takahashi TOA-35 0.7x reducer kit with CA Ring 150 camera ring for TOA-150B and TSA-120 astrophotographyTakahashi TOA-35 0.7x reducer optical assembly, ED glass, 4 elements in 3 groups
Takahashi Takahashi TOA-150 / TSA-120 0.7x TOA-35 Reducer and Camera Ring
$1,495.00 CAD
William Optics Ultra Flat 132 0.79x reducer for Fluorostar 132 astrophotographyWilliam Optics Ultra Flat 132 0.79x reducer flattener showing M92 telescope thread and M54 camera-side thread for Fluorostar 132 deep-sky astrophotography
William Optics William Optics Ultra Flat 132 0.79x Reducer
$1,474.00 CAD
William Optics Ultra Flat 156 0.79x reducer for Fluorostar 156 astrophotographyWilliam Optics Ultra Flat 156 0.79x reducer flattener showing M92 telescope thread and M54 camera-side thread for Fluorostar 156 deep-sky astrophotography
William Optics William Optics Ultra Flat 156 0.79x Reducer
$1,474.00 CAD
Takahashi Epsilon-180ED 1.5x Extender coma-corrected astrograph extender for deep-sky imaging
Takahashi Takahashi Epsilon-180ED 1.5x Extender
$1,425.00 CAD
Takahashi Epsilon-160ED 1.5x Extender coma-corrected astrograph extender for deep-sky imaging
Takahashi Takahashi Epsilon-160ED 1.5x Extender
$1,382.00 CAD
William Optics FLAT 8 0.72x reducer for full-frame astrophotography
William Optics William Optics FLAT 8 0.72x Reducer
$1,336.00 CAD
Takahashi Epsilon-130D 1.5x Extender coma-corrected astrograph extender for deep-sky imaging
Takahashi Takahashi Epsilon-130D 1.5x Extender
$1,269.00 CAD
Takahashi FC-35 0.66x focal reducer for FC and FS series refractors for wide-field full-frame deep-sky astrophotography
Takahashi Takahashi FC-35 0.66x Reducer for FC / FS Series
$1,255.00 CAD
EdgeHD 1100 .7x Focal Reducer LensEdgeHD 1100 .7x Focal Reducer Lens
Celestron EdgeHD 1100 .7x Focal Reducer Lens
$1,180.00 CAD
Takahashi TOA-645 0.99x field flattener kit for TOA-150B medium-format astrophotography
Takahashi Takahashi TOA-150B 0.99x TOA-645 Field Flattener
$1,100.00 CAD
William Optics FLAT 68III field flattener for full-frame astrophotography
William Optics William Optics FLAT 68III Field Flattener
$1,087.00 CAD
William Optics FLAT 7A 0.8x reducer field flattener for astrophotography
William Optics William Optics FLAT 7A 0.8x Reducer Flattener
$1,087.00 CAD
Takahashi FCT-65D 0.65x FU Reducer fluorite focal reducer for wide-field astrophotography
Takahashi Takahashi FCT-65D 0.65x FU Reducer
$1,072.00 CAD
Takahashi FC-76DP 0.64x FU Reducer fluorite focal reducer for deep-sky astrophotography
Takahashi Takahashi FC-76DP 0.64x FU Reducer
$1,072.00 CAD
Takahashi Reducer-CR 0.73x focal reducer for Mewlon CRS and CCA-250 Cassegrains
Takahashi Takahashi Reducer-CR 0.73x for Mewlon CRS, CCA-250 and FSQ-106EDX4
$973.00 CAD
Takahashi RD-QB 0.73x focal reducer for FSQ-85EDX BabyQ astrograph
Takahashi Takahashi RD-QB 0.73x Reducer for FSQ-85EDX ("Baby-Q")
$959.00 CAD
Takahashi TOA-645 Flattener 0.99x for TOA-130NS and TOA-130NFB
Takahashi Takahashi TOA-645 Flattener 0.99x for TOA-130NS/NFB
$945.00 CAD
Takahashi FC-76D focal reducer for FC-76 and FS-78 refractors for wide-field deep-sky astrophotography
Takahashi Takahashi FC-76D Reducer
$875.00 CAD
x0.8 Reducer Flattener 7Ax0.8 Reducer Flattener 7A
Ontario Telescope and Accessories x0.8 Reducer Flattener 7A
$832.00 CAD

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