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Flatteners, Reducers & Correctors

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

138 products

Showing 121 - 138 of 138 products

Showing 121 - 138 of 138 products
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William Optics 45mm flattener extender adapter for astrophotography
William Optics William Optics 45mm Flattener Extender
$80.00 CAD
William Optics 30mm flattener adapter for astrophotography spacing
William Optics William Optics 30mm Flattener Adapter
$80.00 CAD
Takahashi TKA36002 reducer coupling for FSQ-106ED Camera Angle A
Takahashi Takahashi Reducer Coupling for FSQ-106ED Camera Angle A
$77.00 CAD
Baader Pushfix Reducer 2" to 1¼" (T-2 part #15a)Baader Pushfix Reducer 2" to 1¼" (T-2 part #15a)
Baader Planetarium Baader Pushfix Reducer 2" to 1¼" (T-2 part #15a)
$76.00 CAD
Ontario Telescope and Accessories Reducer M68e to M48e - to change M68 internal to M48 external
$55.00 CAD
Takahashi SD Ring M55.9x0.75 spacer for FS-60C Multi-Flattener astrophotography setup
Takahashi Takahashi SD Ring for FS-60C Multi-Flattener
$54.00 CAD
Explore Scientific M48 x 0.75 camera adapter for the 3-inch field flattener and 0.7x focal reducer, a short black threaded adapterSecond view of the M48 adapter showing the wide M48 x 0.75 camera thread
Explore Scientific Explore Scientific M48 x 0.75 Camera Adapter for 3-inch Field Flattener and 0.7x Focal Reducer
$51.95 CAD
Takahashi CA-76 Multi-Flattener CA ring for FC-76D, FC-76 and FS-78 astrophotography flattener spacing
Takahashi Takahashi CA-76 Multi-Flattener CA Ring
$49.00 CAD
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Takahashi Takahashi CA-100 Multi-Flattener CA Ring
$49.00 CAD
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Takahashi Takahashi CA-60C Multi-Flattener CA Ring
$49.00 CAD
Starfield 48mm Adapter ring for Starfield Reducers / Flattener
$47.00 CAD
Antares 0.5X 2" Focal reducer
Antares Antares 0.5X 2" Focal reducer
$41.58 CAD
Antares 0.5X focal reducer. 1.25" visual or imaging
Antares Antares 0.5X focal reducer. 1.25" visual or imaging
$30.89 CAD
Save $2.00
M42-M42 extender (21mm length )
ZWO M42-M42 extender (21mm length )
$23.00 CAD $25.00 CAD
Large Field FlattenerLarge Field Flattener
Ontario Telescope and Accessories Large Field Flattener
$2,000,000.00 CAD
SVBONY F9154A 1.25″ 0.5x focal reducer for wider-field observing and imagingSVBONY F9154A 1.25″ 0.5x focal reducer for wider-field observing and imaging
SvBony SVBONY 1.25″ 0.5x Focal Reducer
$21.65 CAD
SVBONY SV193 2 inch 0.8x reducer flattener for SV503 102ED refractor deep-sky astrophotographySVBONY SV193 2 inch 0.8x reducer flattener for SV503 102ED refractor deep-sky astrophotography
SvBony SVBONY SV193 2″ 0.8x Reducer/Flattener for SV503 102ED
$119.12 CAD
SVBONY SV209 1.0x field flattener for SV550 80 f/6 full-frame deep-sky astrophotographySVBONY SV209 1.0x field flattener for SV550 80 f/6 full-frame deep-sky astrophotography
SvBony SVBONY SV209 1.0x Field Flattener for SV550 80 f/6
$170.99 CAD