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Astromania f/6.3 Reducer Corrector for C Series Telescopes
$87.99
SVBONY Reducer for Telescope 0.5X Focal Reducer 1.25 inches Fully Multi Coated Reducer for Telescope Eyepiece Photography and Observing (Reducer)
$19.99
SVBONY 0.5X Telescope Focal Reducer 1.25 inches Filter Thread 28x0.6mm on Both Sides Reduces The Focal Length for Telescope Eyepiece Astronomical
$12.99
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SKYOPTIKST F6.3 Focal Reducer Schmidt Threads for schmit-cassegrain SCT Telescope
SKYOPTIKST F6.3 Focal Reducer Schmidt Threads for schmit-cassegrain SCT Telescope
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$85.99
$79.99
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Focal Reducer Lens Booster Adapter Pentax M42 to Sony E mount α6500 α6600 camera
Focal Reducer Lens Booster Adapter Pentax M42 to Sony E mount α6500 α6600 camera
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$101.96
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Celestron – Focal Reducer & Field Corrector Imaging Accessory – Reduces Focal Length & Ratio 37% – f/10 to f/6.3 – Ideal for Deep-Sky Observing & Astroimaging – Works w/Schmidt-Cassegrain Telescopes
Celestron – Focal Reducer & Field Corrector Imaging Accessory – Reduces Focal Length & Ratio 37% – f/10 to f/6.3 – Ideal for Deep-Sky Observing & Astroimaging – Works w/Schmidt-Cassegrain Telescopes
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$197.70
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1x 0.5X Telescope Focal Reducer Lens 1.25 inches Filter Thread 30x1mm Both Side
1x 0.5X Telescope Focal Reducer Lens 1.25 inches Filter Thread 30x1mm Both Side
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$13.49
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Astromania f/6.3 Reducer Corrector for C Series Telescopes
Astromania f/6.3 Reducer Corrector for C Series Telescopes
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$87.99
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Focal Reducer Speedbooster Adapter for Contax/Yashica CY Lens to For Sony E Cam
Focal Reducer Speedbooster Adapter for Contax/Yashica CY Lens to For Sony E Cam
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$73.99
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SVBONY Reducer for Telescope 0.5X Focal Reducer 1.25 inches Fully Multi Coated Reducer for Telescope Eyepiece Photography and Observing (Reducer)
SVBONY Reducer for Telescope 0.5X Focal Reducer 1.25 inches Fully Multi Coated Reducer for Telescope Eyepiece Photography and Observing (Reducer)
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$19.99
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Lens Adapter Focal Reducer Speedbooster for Minolta MD Lens to Micro M4/3 Camera
Lens Adapter Focal Reducer Speedbooster for Minolta MD Lens to Micro M4/3 Camera
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$66.99
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SVBONY 0.5X Telescope Focal Reducer 1.25 inches Filter Thread 28x0.6mm on Both Sides Reduces The Focal Length for Telescope Eyepiece Astronomical
SVBONY 0.5X Telescope Focal Reducer 1.25 inches Filter Thread 28x0.6mm on Both Sides Reduces The Focal Length for Telescope Eyepiece Astronomical
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$12.99
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Pixco 0.72x Focal Reducer Booster Adapter for M42 lens to Sony E NEX A6000 APS-C
Pixco 0.72x Focal Reducer Booster Adapter for M42 lens to Sony E NEX A6000 APS-C
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$73.95
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Focal Reducer Speed Booster Adapter M42 Lens to Micro 43 G110 G100 E-M1III E-M5
Focal Reducer Speed Booster Adapter M42 Lens to Micro 43 G110 G100 E-M1III E-M5
Shipping $3.00
$61.29
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Astromania 0.5X Reducer for Photography and Observing - 1.25" Filter Thread (28.5x0.75MM) on Both Sides - Reduces The Focal Length for Visual and Photographic Use
Astromania 0.5X Reducer for Photography and Observing - 1.25" Filter Thread (28.5x0.75MM) on Both Sides - Reduces The Focal Length for Visual and Photographic Use
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$37.99
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Starboosa Multi-Coated 0.5X Telescope Focal Reducer for 1.25 Inch Telescope Eyepieces
Starboosa Multi-Coated 0.5X Telescope Focal Reducer for 1.25 Inch Telescope Eyepieces
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$7.59
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Lens Adapter Focal Reducer Speedbooster for Pentax PK Lens to Micro M4/3 Camera
Lens Adapter Focal Reducer Speedbooster for Pentax PK Lens to Micro M4/3 Camera
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$66.99
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SVBONY Focal Reducer, M54X1 Field Flattener, Telescope Accessory for SV503 102mm ED Telescope
SVBONY Focal Reducer, M54X1 Field Flattener, Telescope Accessory for SV503 102mm ED Telescope
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$109.99
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0.5X Telescope Focal Reducer 1.25 Inches Filter Thread 28.5X0.75Mm on Both Sides
0.5X Telescope Focal Reducer 1.25 Inches Filter Thread 28.5X0.75Mm on Both Sides
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$23.60
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Pixco 0.72x Focal Reducer Booster Adapter for FD Canon lens to Micro 4/3 OM-D G5
Pixco 0.72x Focal Reducer Booster Adapter for FD Canon lens to Micro 4/3 OM-D G5
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$73.95
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Alstar 0.5X Reducer for Photography and Observing - 1.25" Filter Thread (28.5x0.75MM) on Both Sides - Reduces The Focal Length for Visual and Photographic Use
Alstar 0.5X Reducer for Photography and Observing - 1.25" Filter Thread (28.5x0.75MM) on Both Sides - Reduces The Focal Length for Visual and Photographic Use
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$20.99
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SVBONY Reducer for Telescope 1.25 inches 0.5X Focal Reducer with C-Mount Adapter to CCD Camera for Telescope Eyepiece Photography and Observing
SVBONY Reducer for Telescope 1.25 inches 0.5X Focal Reducer with C-Mount Adapter to CCD Camera for Telescope Eyepiece Photography and Observing
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$22.99
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Focal Reducer Lens Booster Adapter Nikon G to M4/3 cameras Panasonic GH5 GH4
Focal Reducer Lens Booster Adapter Nikon G to M4/3 cameras Panasonic GH5 GH4
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$101.96
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Lens Adapter Focal Reducer Speedbooster for Nikon G Lens to for Fujifilm X 0.71x
Lens Adapter Focal Reducer Speedbooster for Nikon G Lens to for Fujifilm X 0.71x
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$74.99
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1.25 \"0.5X eyepiece focal reducer thread M30 for telescope
1.25 \"0.5X eyepiece focal reducer thread M30 for telescope
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$11.38
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Viltrox EF-FX2 Lens Adapter Focal Reducer Booster 0.71x for Canon EF to Fuji X
Viltrox EF-FX2 Lens Adapter Focal Reducer Booster 0.71x for Canon EF to Fuji X
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$163.00
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0.5X Focal Reducer Lens for M28x0.6 1.25" Telescope Eyepiece Ocular Barlow Lens
0.5X Focal Reducer Lens for M28x0.6 1.25" Telescope Eyepiece Ocular Barlow Lens
Shipping $2.99
$10.93
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Lens Adapter Focal Reducer Speedbooster for EF mount Lens to for Fujifilm XF
Lens Adapter Focal Reducer Speedbooster for EF mount Lens to for Fujifilm XF
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$73.99
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Focal Reducer Speed Booster Adapter M42 to Fujifilm FX X-T30II/X-E4/X-T4 X-T200
Focal Reducer Speed Booster Adapter M42 to Fujifilm FX X-T30II/X-E4/X-T4 X-T200
Shipping $3.00
$61.99
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Vixen 3666-06 Telescope Focal Reducer for F7.7 ED F/S w/Tracking# New from Japan
Vixen 3666-06 Telescope Focal Reducer for F7.7 ED F/S w/Tracking# New from Japan
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$161.50
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1.25"31.7mm 0.5X Focal Reducer for Eyepiece Lens Astronomy.6
1.25"31.7mm 0.5X Focal Reducer for Eyepiece Lens Astronomy.6
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$11.39
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0.5X Telescope Focal Reducer 1.25 Inches Filter Thread 28X0.6Mm on Both Sides Re
0.5X Telescope Focal Reducer 1.25 Inches Filter Thread 28X0.6Mm on Both Sides Re
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$20.36
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SVBONY SV209 Focal Reducer/Field Flattener 0.8x for SV550 122F7 APO Refractor
SVBONY SV209 Focal Reducer/Field Flattener 0.8x for SV550 122F7 APO Refractor
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$195.99
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Focal Reducer Speed Booster Adapter Canon FD Lens to Sony NEX ZV-E10/A1/A7C A7S
Focal Reducer Speed Booster Adapter Canon FD Lens to Sony NEX ZV-E10/A1/A7C A7S
Shipping $3.00
$61.89
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Focal Reducer Speed Booster Canon FD & FL 35mm SLR Lens to EOS M Adapter
Focal Reducer Speed Booster Canon FD & FL 35mm SLR Lens to EOS M Adapter
Shipping $3.00
$60.99
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Focal Reducer Speed Booster Adapter Pentax K PK Lens to Sony NEX A7IV ZV-E10/A1
Focal Reducer Speed Booster Adapter Pentax K PK Lens to Sony NEX A7IV ZV-E10/A1
Shipping $3.00
$62.89
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Lens Adapter Focal Reducer Speedbooster for Nikon G Lens to Sony E Mount Camera
Lens Adapter Focal Reducer Speedbooster for Nikon G Lens to Sony E Mount Camera
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$66.99
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Lens Adapter Focal Reducer Speedbooster for EF Lens to EF-M M50 M2 M6 M10 Camera
Lens Adapter Focal Reducer Speedbooster for EF Lens to EF-M M50 M2 M6 M10 Camera
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$66.99
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Lens Focal Reducer Speedbooster Adapter for Minolta MD Lens to For Sony E Camera
Lens Focal Reducer Speedbooster Adapter for Minolta MD Lens to For Sony E Camera
Shipping $1.50
$76.99
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Focal Reducer Lens Booster Adapter Nikon G to Sony E mount α6300 α6500 cameras
Focal Reducer Lens Booster Adapter Nikon G to Sony E mount α6300 α6500 cameras
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$101.96
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Lens Adapter Focal Reducer Speedbooster for M42 Screw Lens to For Fuji X Camera
Lens Adapter Focal Reducer Speedbooster for M42 Screw Lens to For Fuji X Camera
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$76.99
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Focal Reducer Lens Booster Adapter CANON FD to Sony E mount α6300 α6500 cameras
Focal Reducer Lens Booster Adapter CANON FD to Sony E mount α6300 α6500 cameras
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$101.96
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Lens Adapter Focal Reducer Speedbooster for Minolta MD Lens to For Fuji X Camera
Lens Adapter Focal Reducer Speedbooster for Minolta MD Lens to For Fuji X Camera
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$73.99
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KIPON Focal Reducer Optic Adapter for Mamiya 645 Lens to Sony E Mount Camera NEX
KIPON Focal Reducer Optic Adapter for Mamiya 645 Lens to Sony E Mount Camera NEX
Shipping $25.00
$499.00
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Adapter Focal Reducer Speedbooster for M42 Screw Lens to Panasonic M4/3 Camera
Adapter Focal Reducer Speedbooster for M42 Screw Lens to Panasonic M4/3 Camera
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$74.99
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Antares #SCTFR f6.3 Focal Reducer with 2" Schmidt Threads for SCT - SALE PRICE!
Antares #SCTFR f6.3 Focal Reducer with 2" Schmidt Threads for SCT - SALE PRICE!
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$97.00
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F6.3 Focal Reducer with 2" Schmidt Threads for Celestron schmit-cassegrain
F6.3 Focal Reducer with 2" Schmidt Threads for Celestron schmit-cassegrain
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$90.00
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0.5X Telescope Focal Reducer 1.25 Inches Filter Thread 28X0.6Mm on Both Sides Re
0.5X Telescope Focal Reducer 1.25 Inches Filter Thread 28X0.6Mm on Both Sides Re
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$19.01
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F6.3 focal reducer For Celestron C5 C6 C8 C925 C11 C14
F6.3 focal reducer For Celestron C5 C6 C8 C925 C11 C14
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$66.99
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SVBONY SV193 2inch 0.8x Focal Reducer /Flattener for SV503 80mm ED Refractor OTA
SVBONY SV193 2inch 0.8x Focal Reducer /Flattener for SV503 80mm ED Refractor OTA
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$89.99
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Lens Adapter Focal Reducer Speedbooster for M42 Screw Lens to Micro M4/3 Mount
Lens Adapter Focal Reducer Speedbooster for M42 Screw Lens to Micro M4/3 Mount
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$67.99
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OEM Meade Series 4000 F6.3 Focal Reducer / Corrector Field Flattener telescope
OEM Meade Series 4000 F6.3 Focal Reducer / Corrector Field Flattener telescope
Shipping $13.02
$97.72
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SVBONY SV193 2-Inch 0.8x Focal Reducer / Flattener for SV503 102f/7 ED Refractor
SVBONY SV193 2-Inch 0.8x Focal Reducer / Flattener for SV503 102f/7 ED Refractor
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$101.99
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Datyson 1.25 inch 0.5X Focal Reducer For Telescope Eyepiece Black
Datyson 1.25 inch 0.5X Focal Reducer For Telescope Eyepiece Black
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$12.59
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KIPON Focal Reducer Adapter Put Mamiya 645 M645 Mout Lens on Canon EOS RF Camera
KIPON Focal Reducer Adapter Put Mamiya 645 M645 Mout Lens on Canon EOS RF Camera
Shipping $25.00
$499.00
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Lens Adapter Focal Reducer Speedbooster for Minolta MD Lens to for Fujifilm X
Lens Adapter Focal Reducer Speedbooster for Minolta MD Lens to for Fujifilm X
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$66.99
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Adapter Focal Reducer Speedbooster for FD Lens to Micro four third M4/3 Camera
Adapter Focal Reducer Speedbooster for FD Lens to Micro four third M4/3 Camera
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$73.99
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SVBONY 1.25Inch 0.5x Focal Reducer for Telescope Eyepieces Photography Observing
SVBONY 1.25Inch 0.5x Focal Reducer for Telescope Eyepieces Photography Observing
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$29.99
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Celestron 0.7x Focal Reducer for Celestron 8" Edge HD Scopes and Optical Tubes
Celestron 0.7x Focal Reducer for Celestron 8" Edge HD Scopes and Optical Tubes
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$314.99
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