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Field Flatteners

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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
 
Stellarvue 2" Field Flattener Reducer for SV80 with 2.5" Focusers

Stellarvue SV80 2" Flattener 0.8X Reducer for Access 80 - SFFR80-25

SKU: STV-SFFR80-25
  • This Stellarvue 2" Field Flattener and Focal Reducer provides 0.8x reduction for older SV80ED and current 80 mm Access refractor telescopes.
  • Offers a secure connection between the camera with t-ring installed and focuser with no thumbscrews required.
  • Features 55 mm of backfocus to match that of a DSLR camera with appropriate t-ring.
  • Not suitable for use with SV80 triplet refractors made from 2018 to the present.
$189.00
 
Stellarvue 2" Field Flattener Reducer for SV102 with 2" Focusers

Stellarvue SV102 2" Flattener 0.8X Reducer for 2" Focusers - SFFR102-2

SKU: STV-SFFR102-2
  • Combining a 2" Field Flattener and 0.8x Focal Reducer, the Stellarvue SFFR102-2 is optimally suited for use with Stellarvue SV102T triplet refractor telescopes.
  • Enables faster optics by allowing f/7 telescopes to operate at a f/5.6 focal ratio.
  • Fits the Stellarvue 102 mm f/7 Triplet's 2" focuser.
  • The SFFR102-2 has 55 mm of back focus, identical to that of a DSLR camera with appropriate t-ring.
$195.00
 

Stellarvue SV102 2" Flattener 0.8X Reducer for 2.5" Focusers - SFFR102-25

SKU: STV-SFFR102-25
  • The Stellarvue SFFR102-25 is a combination 2" Field Flattener and 0.8x Focal Redcuer optimized for use with Stellarvue SVR102T refractor telescopes.
  • Converts the f/7 SVR102T with 714 mm focal length into a faster f/5.6 instrument with 571 mm focal length.
  • Compatible with the 2.5" Stellarvue or Feather Touch focuser featured on the Stellarvue SVR102T.
  • The SFFR102-25 has 55 mm of back focus, identical to that of a DSLR camera with appropriate t-ring.
$199.00
 
Stellarvue 2" Field Flattener Reducer for SV102T with 3" FT Focusers

Stellarvue SV102 2" Flattener 0.8X Reducer for 3" FT Focusers - SFFR102-3FT

SKU: STV-SFFR102-3FT
  • This combination 2" Field Flattener and 0.8x Focal Reducer from Stellarvue is specifically designed for SVR102T Refractors using a 3" Feather Touch focuser.
  • Converts the f/7 SVR102T with 714 mm focal length into a faster f/5.6 instrument with 571 mm focal length.
  • One end of this reducer/flattener threads onto the 3" Feather Touch focuser while the other end screws into a DSLR or CCD camera's t-ring.
  • The SFFR102-3FT has the same back focus, 55 mm, as a DSLR camera with proper t-ring.
$239.00
 
Stellarvue 2" Field Flattener Reducer for SV115T with 3" FT Focusers

Stellarvue SV115 2" Flattener 0.8X Reducer for 3" FT Focusers - SFFR115-3FT

SKU: STV-SFFR115-3FT
  • 2” Field Flattener and 0.8x Focal Reducer combination for Stellarvue SV115 refractors using a 3” Feather Touch focuser.
  • Provides the Stellarvue 115 mm refractor telescope with an effective focal length reduction from f/7 to f/5.6.
  • Threads onto the SV115's 3" Feather Touch focuser.
  • M42 threads on the camera side for compatibility with standard DSLR T-rings or cameras with 42 mm threads.
  • For DSLR imaging, your camera plus proper M42 spacer are required to have a 55 mm back focus.
$239.00
 
Stellarvue 2" Field Flattener Reducer for SV115T with 2.5" Focusers

Stellarvue SV115 2" Flattener 0.8X Reducer for 2.5" Focusers - SFFR115-25

SKU: STV-SFFR115-25
  • This Reducer/Flattener is made especially for Stellarvue SV115 refractors with 2.5" Stellarvue and Feather Touch focusers.
  • Enables effective focal length conversion from f/7 (805 mm) to f/5.6 (644 mm).
  • Standard 48 mm filter thread helps ordinary 2" filters enhance this reducer/flattener when imaging.
  • 55 mm back focus is required to match that of your DSLR camera plus appropriate spacer for DSLR imaging.
$229.00
 
Stellarvue 2" Field Flattener Reducer for SV115 with 2" Focusers

Stellarvue 2" Flattener & 0.8X Reducer for SV115 Refractors with 2" Focusers - SFFR115-2

SKU: STV-SFFR115-2
  • Reducer & Flattener for Stellarvue SV115 with 2" focuser
  • Changes the effective focal length from f/7 to f/5.6
  • Telescope side slides into the 2" focuser
  • Camera side has M42 threads for standard DSLR T-rings or cameras with 42 mm threads
  • Back focus is 55 mm for DSLR imaging, add M42 spacers to match back focus required for your camera
$195.00
 
Stellarvue 0.72 Focal Reducer & Field Flattener for SVA130T 3" Feather Touch Focuser with 48 mm Camera Adapter

Stellarvue .72 Reducer/Flattener for SVA130T-3FT with 48 mm Camera Adapter - SFFR72-130-3FT-48

SKU: STV-SFFR72-130-3FT-48
  • Stellarvue 0.72x Focal Reducer and Field Flattener expressly designed for Stellarvue SVA130T refractor telescopes with 3" Feather Touch focuser.
  • Converts the Stellarvue 130 mm f/7 refractor into a faster f/5 instrument for wide field imaging.
  • Offers 55 mm of backfocus with 48 mm male camera thread using supplied adapters.
  • Best suited for full frame DSLR camers with larger 48 mm t-rings.
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$695.00
 
Stellarvue SV70T Focal Reducer and Field Flattener

Stellarvue SV70T Focal Reducer and Field Flattener - SFFR-70APO

SKU: STV-SFFR-70APO
  • Stellarvue Focal Reducer and Field Flattener for the SV70T APO Triplet Refractor.
  • Converts the effective focal length of the Stellarvue SV70T from 420 mm (f/6) to 336 mm (f/4.8).
  • Standard M48 thread permits the addition of 2" filters for imaging.
  • 55 mm back focus for DSLR imaging increases to 66 mm with the removal of the included 11 mm extension tube.
  • Optional 42 mm spacers are available for obtaining the appropriate back focus distance for your CCD camera.
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$179.00
 
Stellarvue SFFR80A Field Flattener & Reducer

Stellarvue 0.8X Reducer & Flattener for SV80A Access - SFFR80A

SKU: STV-SFFR80A
  • This Stellarvue 2" Field Flattener and Focal Reducer provides 0.8x reduction for the SV80A Access doublet refractor telescope.
  • Converts the 80 mm f/7 Access refractor into a faster f/5.6 instrument with a 448 mm effective focal length.
  • Features 55 mm of backfocus to match that of a DSLR camera with appropriate t-ring.
  • Accepts standard 2" filters as well as spacers with M42 threads for CCD imaging.
  • Not compatible with the Stellarvue SV80ST triplet refractor.
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$189.00
 
Stellarvue Reducer & Field Flattener for SVR90T-25SV Refractor

Stellarvue Reducer/Flattener for SVR90T with 2.5" Focuser - SFFR90-25

SKU: STV-SFFR90-25
  • Stellarvue 0.8x Focal Reducer and Field Flattener expressly designed for the SVR90T triplet refractor telescope.
  • Compatible with both 2.5" Stellarvue and 2.5" Feather Touch focusers.
  • Reduces the 90 mm triplet refractor's effective focal length from 540 mm f/6 to 504 mm f/5.6.
  • Accepts standard 2" filters with 42 mm thread for CCD imaging.
  • Contains identical 55 mm back focus to that of a DSLR camera with t-ring.
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$229.00
 
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
 
Stellarvue Focal Reducer & Field Flattener for SVA130T with 3" FT Focuser - No Camera Adapters

Stellarvue Reducer/Flattener for SVA130 with 3" Feather Touch Focuser - Camera Adapters Not Included - SFFR72-130-3FT

SKU: STV-SFFR72-130-3FT
  • Designed specifically for Stellarvue SVA130T refractor telescopes with 3" Feather Touch focusers, this Reducer/Flattener provides 0.72x focal reduction.
  • Converts the Stellarvue 130 mm f/7 refractor into a faster f/5 instrument for wide field imaging.
  • Features M82 rear thread and provides 69 mm of backfocus.
  • Does not include the adapters required to achieve proper spacing for your particular camera.
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$649.00
 
Stellarvue Focal Reducer & Field Flattener for SVA130 with 3" FT Focuser and 42 mm Male Adapter

Stellarvue Reducer/Flattener for SVA130 with 3" Feather Touch Focuser and M42 Adapter - SFFR72-130-3FT-42

SKU: STV-SFFR72-130-3FT-42
  • Designed specifically for Stellarvue SVA130T refractor telescopes with 3" Feather Touch focusers, this Reducer/Flattener provides 0.72x focal reduction.
  • Reduces the SVA130T's effective focal length from f/7 to f/5 for a faster optical system.
  • Includes the adapters needed to achieve the required 55 mm backfocus with cameras using standard 42 mm male thread.
  • Optimally suited for APS-sized DSLR cameras with standard t-rings.
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$695.00
 
Stellarvue 0.72x Focal Reducer & Field Flattener for SVA130T with 2.5" SV Focuser and 48 mm Camera Adapter

Stellarvue Reducer/Flattener for SVA130 with 2.5" Focuser and M48 Adapter - SFFR72-130-25-48

SKU: STV-SFFR72-130-25-48
  • Stellarvue 0.72x Focal Reducer and Field Flattener made especially for SVA130T refractor telescopes.
  • Converts the Stellarvue 130 mm f/7 refractor into a faster f/5 instrument for wide field imaging.
  • Compatible with 2.5" Stellarvue focusers.
  • Offers 55 mm of backfocus with 48 mm male camera thread using supplied adapters.
  • Without the use of adapters, M69 rear thread enables an approximately 69 mm backfocus.
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$695.00
 
Stellarvue .72x Focal Reducer & Field Flattener for SVA130T with 2.5" Focuser & M42 Camera Adapter

Stellarvue Reducer/Flattener for SVA130 with 2.5" Focuser and M42 Adapter - SFFR72-130-25-42

SKU: STV-SFFR72-130-25-42
  • Stellarvue SFFR72 Focal Reducer and Field Flattener expressly designed for SVA130T refractor telescopes.
  • Promotes wide field imaging by reducing the effective focal length from f/7 to f/5.
  • Offers compatibility with the 2.5" Stellarvue focuser.
  • Includes an M42 camera adapter for achieving proper 55 mm back focus for DSLR imaging.
  • M69 rear thread provides approximately 70 mm of back focus without using the included adapter.
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$695.00