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  • Baader Planetarium Baader Planetarium Alan Gee Mark II Telecompressor - AGII
    $297.00
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  • Celestron f/6.3 Focal Reducer/Corrector
    Celestron Celestron f/6.3 Focal Reducer & Corrector - 94175
    $149.95 $134.95
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  • Celestron Celestron 0.7X Reducer Lens for 1400 EdgeHD - 94240
    $629.95
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  • Celestron 0.7x Reducer Lens for EdgeHD 1100
    Celestron Celestron Reducer Lens .7x EdgeHD 1100 94241
    $629.95
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  • Celestron 0.7x Focal Reducer for EdgeHD 800
    Celestron Celestron .7x Focal Reducer For 8 Edge HD - 94242
    $319.95
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  • High Point High Point 0.5x Focal Reducer - 1.25" - FR1
    $29.95
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  • High Point High Point .5X 2" Focal Reducer - FR2
    $54.95
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  • Meade Meade Series 4000 6.3x Focal Reducer - 07545
    $99.99 $69.95
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  • Tele Vue Tele Vue Large Field Corrector for Tele Vue 101 / 127 IS Scopes - LCL-1069
    $239.95
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  • Tele Vue Tele Vue 0.8x Focal Reducer Lens Body for Tele Vue NP Scopes - NPR-1073
    $279.95
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  • Tele Vue Tele Vue Focal Reducer Body Adapter for 2" Focuser - RAD-1074
    $54.95
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  • Tele Vue Tele Vue 0.8x Focal Reducer/Flattener for Tele Vue 102 Scope - RFL-4087
    $299.95
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  • Tele Vue Tele Vue 0.8x Focal Reducer/Flattener for Tele Vue 85/Pronto - TRF-2008
    $281.95
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  • Baader Planetarium Baader Planetarium 2" Mark III Multi Purpose Coma Corrector - MPCC
    $207.00
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  • Baader Planetarium Baader Planetarium Rowe Triplet Coma Corrector for Newtonians - RCC-I
    $209.00
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  • High Point High Point 2" Photo & Visual Coma Corrector For Newtonian Telescope - HPS-COMA
    $119.95
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  • Takahashi CR 0.73X Reducer for Mewlon 250 CRS and FSQ-106EDX4
    Takahashi Takahashi CR 0.73X Reducer for Mewlon 250 CRS & FSQ-106EDX4 - TKA82580
    $580.00
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  • Tele Vue Tele Vue Visual Imaging Paracorr Type-2 - VIP-2010
    $487.00
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  • Sky-Watcher Sky-Watcher 0.85X Reducer/Corrector for Pro 100ED Telescope - S20201
    $249.00
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  • Sky-Watcher Sky-Watcher 0.85X Reducer/Corrector for Pro 120ED Telescope - S20202
    $249.00
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  • Tele Vue Tele Vue 3" Big Paracorr Type-2 - VIP-3010
    $1,056.00
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  • William Optics GT102 APO Flattener
    William Optics William Optics APO Flattener for GT102 - P-F6A-GT102
    $178.00 $169.95
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  • Sky-Watcher Sky-Watcher 0.85X Reducer/Corrector for Pro 80ED Telescope - S20200
    $250.00
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  • Explore Scientific 3
    Explore Scientific Explore Scientific 3" Field Flattener & .7X Focal Reducer - FFFR507X-00
    $309.99
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  • Explore Scientific Explore Scientific 2" HR Coma Corrector - HRCC02-00
    $259.99
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  • Stellarvue 2
    Stellarvue Stellarvue SV80 2" Flattener 0.8X Reducer for 2.5" Focusers - SFFR80-25
    $229.00
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  • Sky-Watcher Skywatcher Quattro Coma Corrector - S20204
    $285.00
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  • Stellarvue 0.72 Focal Reducer & Field Flattener for SVA130T 3
    Stellarvue Stellarvue .72 Reducer/Flattener for SVA130T-3FT with 48 mm Camera Adapter - SFFR72-130-3FT-48
    $695.00
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  • Explore Scientific 3
    Explore Scientific Explore Scientific 3" to 2" Adapter for 3" Field Flattener - 510364
    $69.99
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  • William Optics Flat4 Draw Tube Adapter for FLT Telescopes
    William Optics William Optics Flat4 Draw Tube Adapter for FLT Telescopes - AD4-A006-L00GD03
    $58.00
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  • Stellarvue SV70T Focal Reducer and Field Flattener
    Stellarvue Stellarvue SV70T Focal Reducer and Field Flattener - SFFR-70APO
    $229.00
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  • High Point High Point .75X Focal Reducer for RC Telescopes - 2" - RCR
    $119.95
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  • Takahashi 1.6X Extender Q
    Takahashi Takahashi 1.6X Extender QE for FSQ-106EDX4 - TKA36595
    $570.00
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  • Takahashi 645 Reducer - 0.7X
    Takahashi Takahashi 0.7X 645 Reducer - TKA38580
    $2,450.00
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  • Takahashi f/3 Reducer - 0.6X
    Takahashi Takahashi 0.6X f/3 Reducer - TKA38581
    $1,640.00
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  • Stellarvue SFFR80A Field Flattener & Reducer
    Stellarvue Stellarvue 0.8X Reducer & Flattener for SV80A Access - SFFR80A
    $229.00
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  • Revolution Imager 5
    Revolution Revolution Imager FunStar Adapter for 5" Schmidt-Cassegrain Telescopes - RI-FS5
    $79.99
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  • Revolution Imager FunStar Adapter for Celestron 8
    Revolution Revolution Imager FunStar Adapter for 8" Schmidt-Cassegrain Telescopes - RI-FS8
    $79.99
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  • Revolution Imager FunStar Adapter for Celestron 9.25
    Revolution Revolution Imager FunStar Adapter for 9.25" Schmidt-Cassegrain Telescopes - RI-FS925
    $99.00
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  • Revolution Imager FunStar Adapter for Celestron 11
    Revolution Revolution Imager FunStar Adapter for 11" Schmidt-Cassegrain Telescopes - RI-FS11
    $119.99
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A focal reducer is an excellent tool to help you achieve the magnification you need, and at High Point Scientific, we provide you with the best selection. A focal reducer, also known as a telecompressor, reduces the focal length of your OTA, resulting in a wider field of view. They are also a great addition to any astrophotography set up as it can cut your exposure time down considerably. Enjoy wide views of nearby nebulae with a faster lens speed!


We also have a wide variety of correctors designed for flat-field correction or coma correction. A field corrector is vital for astro-imaging because it optimizes edge-of-field image quality. When observing with a Newtonian, coma correctors help reduce comatic aberration or coma. Without a coma corrector, Newtonians may show stars with comet-like tails. Add a coma corrector to your set up to make sure you view celestial objects with pinpoint definition. Also, be sure to check out our extension tubes and adapters to make sure you achieve the necessary back focus for your set up.


You will find focal reducers and correctors from all of the latest brands, including Celestron, Tele Vue, Baader, Takahashi, Sky-Watcher, and many more! Our experts have hand-selected each accessory to give you a quality selection of great products. We are ready to help you get the best views out of your telescope!

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