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Telescope Accessories & Parts

Items 1 - 25 of 34

Baader Planetarium Fluorite Flat Field Converter - FFC

SKU: BAD-FFC
  • For multiple telescope designs, produces a flat field over 90 mm image circle!
  • Four element Fluorite Flat Field Converter is a diffraction-limited APO
  • Fluorite design eliminates chromatic aberration
  • Covers up to a 6 cm x 7 cm format at up to 8X magnification
  • Works equally well with Newtonian, Schmidt-Cassegrain, Ritchey-Chretien and APO refractor telescopes
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$869.00
 
Explore Scientific ED APO Field Flattener Lens

Explore Scientific 2" Field Flattener for APS-C Cameras - FFEDAPO-01

SKU: EXS-FFEDAPO-01
  • Flatten the field for astrophotography with this field flattener
  • Designed for use with APS-C & smaller sensors
  • Telescope side is a 2" barrel
  • Camera side has M42 T-threads
  • 55 mm of back focus
  • Will not provide flat field when used with full-frame cameras
$199.99
 

Takahashi FC/FS Multi Flattener 1.04x - TKA00582

SKU: TAK-TKA00582
  • This flattener from Takahashi is made as a universal replacement for FS/FC flatteners.
  • Takahashi has designed the 1.04x flattener to work only with the FS and FC telescopes.
  • The flattener helps correct spherical aberration.
  • Takahashi's field flattener uses a two element design.
$233.00
 

Meade 3" Field Flattener for 130 mm and 115 mm APO Refractors - 07585

SKU: MEA-07585
  • Meade 3" Field Flattener with two elements for 115 mm and 130 mm Series 6000 APO Refractor Telescopes.
  • Delivers a wide flat field for the above Meade Series 6000 apochromatic refractors.
  • Enhances image sharpness and minimizes distortion at the view field's edge.
$199.00
 

Stellarvue Large Field Flattener with 48 mm Threads for f/7 Refractors & 3" Feather Touch Focusers - SFF3-3FT-48

SKU: STV-SFF3-3FT-48
  • Designed especially for Stellarvue f/7 refractors with 3" Feather Touch focusers, as well as for cameras using larger sensors.
  • This Stellarvue Photographic Field Flattener is suitable for use with wide 48 mm T-ring threaded DSLR cameras.
  • Threads onto the back of 3" FeatherTouch focusers.
  • Requires the standard DSLR back focus of 55 mm.
$269.00
 

Stellarvue Large Field Flattener with 42mm Threads for f/7 Refractors with 2.5" Focusers - SFF3-25-42

SKU: STV-SFF3-25-42
  • Optimized for use with 2.5” Stellarvue and FeatherTouch focusers, as well as cameras with large chips.
  • This Stellarvue Large Photographic Field Flattener fits DSLR camera with M42 T-ring threads.
  • Threads into the back of 2.5” focusers.
  • Made to be used with Stellarvue f/7 refractor telescopes.
$269.00
 

Stellarvue Large Field Flattener with 48 mm Threads for f/7 Refractors with 2.5" Focusers - SFF3-25-48

SKU: STV-SFF3-25-48
  • Made for large chip cameras and 2.5" focusers, this Stellarvue Large Photographic Field Flattener contains 48 mm threads.
  • Compatible with DSLR cameras featuring wide M48 T-ring threads.
  • Attaches to the rear of both 2.5" Stellarvue and 2.5" FeatherTouch focusers.
  • Designed for use with Stellarvue f/7 refractor telescopes.
$249.00
 

Stellarvue Large Field Flattener with 42 mm Threads for f/7 Refractors with 3" Feather Touch Focusers - SFF3-3FT-42

SKU: STV-SFF3-3FT-42
  • This Stellarvue Large Photographic Field Flattener is optimized for use with Stellarvue f/7 refractor telescopes using 3" Feather Touch focusers.
  • Fits digital SLR cameras with standard 42 mm T-ring threads.
  • Attaches to the rear of the 3" Feather Touch focuser.
  • Requires the standard DSLR back focus of 55 mm.
$269.00
 

Stellarvue 2" Photographic Field Flattener for f/6 Telescopes - SFF6

SKU: STV-SFF6
  • This Stellarvue Field Flattener can be used on STV f/6 refractors with 2" focusers
  • Works with focal lengths from 480 mm - 700 mm
  • Telescope side has 2" barrel that plugs into the focuser
  • Camera side accepts M42 adapter or photographic T-ring for your DSLR
$195.00
 

Stellarvue Photographic Field Flattener For f/7 Telescopes & DSLR Cameras - SFF7-21

SKU: STV-SFF7-21
  • Stellarvue SV80, SV102, and SV110, as well as all other Stellarvue telescopes operating at a specific focal ratio, are compatible with this Stellarvue Photographic Field Flattener.
  • Includes an t-thread adapter with 55-56 mm spacing distance for DSLR cameras.
  • Designed to be used with cameras incorporating an APS-sized or smaller sensor chip.
  • This Stellarvue Field Flattener contains standard M42x0.75 t-threads.
$195.00
 
Stellarvue Photographic Field Flattener for f/7 Telescopes with 2.5" Focusers & DSLR Cameras

Stellarvue Photographic Field Flattener For f/7 Telescopes w/ 2.5" Focusers & DSLR Cameras - SFF7-25

SKU: STV-SFF7-25
  • This Stellarvue Photographic Field Flattener has been optimized for use with 2.5" Stellarvue and Feather Touch focusers.
  • Compatible with SV80, SV102, SV110, and any other Stellarvue telescope functioning at a certain focal ratio.
  • Includes an t-thread adapter with 55-56 mm spacing distance for DSLR cameras.
  • Designed to be used with cameras incorporating an APS-sized or smaller sensor chip.
$229.00
 
Stellarvue Photographic Field Flattener for f/7 Telescoeps with 3" Feather Touch Focuser & DSLR Camera

Stellarvue Photographic Field Flattener For f/7 Telescopes w/ 3" Feather Touch Focusers & DSLR Cameras - SFF7-3FT

SKU: STV-SFF7-3FT
  • Stellarvue SV80, SV102, and SV110, as well as all other Stellarvue telescopes operating at a specific focal ratio, are compatible with this Stellarvue Photographic Field Flattener.
  • Made especially for use with the 3" Feather Touch Focuser.
  • Includes an t-thread adapter with 55-56 mm spacing distance for DSLR cameras.
  • Optimized for cameras featuring a sensor chip APS-sized or smaller.
$239.00
 
Hotech 2" SCA Self-Centering Field Flattener

Hotech 2" SCA Self-Centering Field Flattener - SCA-FFT58

SKU: HTC-SCA-FFT58
  • Fully multi-coated Hotech 2" Field Flattener with two-element lens and integrated self-centering adapter.
  • Provides maximum light transmission without compromising your telescope's light gathering capability.
  • Compatible with refractors that have between f/5 and f/8 focal ratios.
  • Eliminates drawtube and visual back slop, as well as unstable thumbscrew or unified compression ring locking.
  • Enhances image capture stability by dampening unwanted telescope vibrations.
  • The camera side accepts standard 42 mm threaded T-rings.
$245.00 $160.00
 

Tele Vue Large Field Flattener for Tele Vue 101 or 127 IS Telescopes - LCL-1069

SKU: TLV-LCL-1069
  • Tele Vue Large Field Corrector designed specifically for NP101is and NP127is telescopes.
  • Provides a flattened image field for both the 101 mm and 127 mm Nagler-Petzval APO refractors.
  • Enhances edge-of-field quality for imaging use.
  • Optimally suited for use with CCD sensors measuring 35 mm or larger.
$239.95
 
iOptron 2-inch Field Flattener

iOptron 2" Field Flattener for f/5 - f/7 Refractors - TFF

SKU: IOP-TFF
  • This iOptron 2" Field Flattener is optimized for refractor telescopes with f/5 to f/7 focal ratios.
  • Generates clear, well-defined images over the entire view field.
  • Features a fully multi-coated two-element optical design with Ohara S-BLS7 glass.
  • The iOptron 2" Field Flattener offers both durability and exterior beauty with machined aluminum construction and an anodized gloss finish.
  • Built-in T-ring thread accepts the majority of 35 mm cameras.
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$220.00
 
Orion Field Flattener for Short Refractors

Orion Field Flattener for Short Refractors - 08893

SKU: ORI-08893
  • For short refractor telescopes with fast optics, this convenient fully multi-coated 38 mm clear aperture Orion Field Flattener eliminates field curvature.
  • Works with refractors that have focal lengths between 400 mm and 660 mm, and focal ratios between f/5 and f/7.5.
  • This Orion Field Flattener makes your fast refractor better suited for astrophotography, thereby unlocking its full potential.
  • Flattens the field of view while maintaining the focal length attributes of your short refractor.
  • Suitable for use with 2" focusers, this Orion Field Flattener requires a back focus of 55 mm.
$139.99
 
Takahashi 35 Flattener - TKA31582

Takahashi 35 Flattener for TOA & TSA Refractors - TKA31582

SKU: TAK-TKA31582
  • This Takahashi TOA-35 Flattener works with TOA and TSA telescopes to flatten the field for those using 35 mm cameras.
  • Generates a 40 mm image circle, as well as 2-micron star images at the center, and 8-micron star images at the edge.
  • Compatible with the Takahashi 2.7” focuser via installation of separately available 2” Ocular Adapter on the focuser side.
  • Suitable for DSLR imaging use provided you have a 2” CA-35 adapter along with the proper wide mount t-ring for your camera model.
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$530.00
 
Takahashi 67 Flattener

Takahashi 67 Flattener for the TOA-130NFB Refractor - TKA31583S

SKU: TAK-TKA31583S
  • The Takahashi 67 Flattener works with TOA-130NFB refractors to flatten the field for visual observers and large format camera imagers.
  • Generates a massive 92 mm image circle with 3-micron star images at the center of the field, and 20-micron images at the edge of the field.
  • Internal optics feature two groups of multi-coated extra-low dispersion (ED) glass.
  • Significantly transforms the resulting image when viewed through an eyepiece, or captured via a DSLR or CCD camera.
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$1,010.00
 
Takahashi 67 Flattener

Takahashi 67 Flattener for the TOA-150 Refractor - TKA32583S

SKU: TAK-TKA32583S
  • This Takahashi 67 Flattener has been designed for the purpose of flattening the TOA-150 refractor's field for both visual observers and imagers using large format cameras.
  • Generates a massive 92 mm image circle with 3-micron star images at the center of the field, and 20-micron images at the edge of the field.
  • Contains multi-coated extra-low dispersion (ED) glass optics in two groups.
  • Whether viewed through an eyepiece, or captured using a DSLR or CCD camera, the image produced will be considerably altered.
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$1,010.00
 
Stellarvue 2.156" Photographic Field Flattener for 3" Feather Touch Focuser

Stellarvue Large Photographic Field Flattener for 3" Feather Touch Focuser - 2.156" - SFF3-3FT-2156

SKU: STV-SFF3-3FT-2156
  • This Large Photographic Field Flattener from Stellarvue is compatible with Stellarvue refractors that have apertures between 102 mm and 130 mm.
  • Specifically designed for cameras with the 2.156-24 camera attachment.
  • Threads onto the rear of 3" Feather Touch focusers.
  • Requires 52 mm of back focus with the Stellarvue SV130 refractor, and 55 mm of back focus with the Stellarvue SV102 refractor.
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$269.00
 
Stellarvue Field Flattener for SV80ST Refractor with 2.5" Focuser

Stellarvue Field Flattener for SV80ST-25 Refractor - SFF6-25

SKU: STV-SFF6-25
  • This Field Flattener is designed for the Stellarvue SV80ST with a STV or FT 2.5" focuser
  • Can be used with other refractors with 480 mm- 700 mm focal length & 2.5" focusers
  • The telescope side of the Field Flattener plugs into the focuser
  • The camera side accepts 42mm adapters or T-rings for DSLR cameras
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$229.00
 
Explore 2" Field Flattener with Canon T-Ring and Caps

Explore Scientific 2" Field Flattener with Special Thin Canon EOS T-Ring - FFEDAPO-CA

SKU: EXS-FFEDAPO-CA
  • Made with cameras that have APS-C or smaller sensors in mind, this Explore Scientific 2" Field Flattener is not compatible with full frame cameras as it will not deliver a flat field.
  • Includes a special thin T-ring to provide the appropriate spacing to allow ideal focus to be achieved with Canon EOS DSLR cameras.
  • Male M42 T-threads on the camera side fit the extra thin Canon EOS T-ring included in this package.
  • Fixes curvature at the edge of the field encountered with most refractor telescope models.
$219.99
 

Orion 3" Field Flattener for EON 115/130 EDT Refractors - 8671

SKU: ORI-8671
  • Compatible with 115 mm and 130 mm EON ED Triplet Refractor Telescopes, the Orion 3" Field Flattener maximizes flat-field imaging performance.
  • Field curvature distortions are fixed to allow stars maintain their sharpness all the way to the camera sensor edge.
  • Provides a rigorous connection by attaching directly to the EON 115 or 130 refractor's 3" focuser drawtube.
  • Camera side features wide M48 threads for secure attachment enhanced for DSLRs and other cameras with large sensors.
  • Fully multi-coated optics help to maximize light transmission for brighter and more vivid imaging results.
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$249.99
 

Stellarvue Large Field Flattener for SV080ST - 48mm Threads for 2.5" SV or FT Focuser - SFF3-80

SKU: STV-SFF3-80
  • Large flattener for the Stellarvue SV80ST with 2.5" focuser
  • Will work with 2.5" Stellarvue or Feather Touch Focusers
  • Produces a flat field for quality astro-photography
  • Back focus is 55 mm
  • Camera side has 48 mm threads
  • Accepts wide 48 mm T-rings for DSLR's or imaging cameras with 48 mm threads
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$269.00
 
Stellarvue Photographic Field Flattener for SVX080T Refractors

Stellarvue Photographic Field Flattener for SVX080T Refractors - SFF4-80T

SKU: STV-SFF4-80T
  • Full frame flattener for the Stellarvue SVX080T with 3" focuser
  • Also works with other SV80's with 2.5" or 3" focusers (not 2" focusers)
  • Produces a flat field for quality astro-photography
  • Back focus is 55 mm
  • Camera side has 48 mm threads
  • Accepts wide 48 mm T-rings for DSLR's or imaging cameras with 48 mm threads
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$269.00