Low stock (1) SKU: 365M48-SONY-Alpha
365ASTRONOMY
365Astronomy SONY Alpha M48x0.75 Adaptor for Coma Corrector
SONY ALPHA M48x0.75 Adaptor for attaching a SONY ALPHA CAMERA to a telescope via a Skywatcher or similar Coma Corrector with M48 thread
Used similarly to camera specific T-rings, however instead of a M42x0.75 thread it...
In stock (2) SKU: ES-0510364
Explore Scientific
Explore Scientific 2" Nosepiece Adapter for ES 3" 0.7x Reducer
This adapter provides a 2" nosepiece and connects the Explore Scientific 3" Corrector/Reducer to optical tubes with a 2" focuser.
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SKU: ES-0218780
Explore Scientific
Explore Scientific 2x Barlow - Focal Extender 2"
With tele extenders it is possible to extend the effective focal length of a telescope system, resulting in higher magnification for the observation of the moon, the planets or small Deep-Sky objects with the same eyepieces....
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SKU: ES-0510362
Explore Scientific
Explore Scientific Special Canon EOS AF Confirm T-ring for ES 3" 0.7x Reducer
With the help of this adapter you can connect your Canon dSLR camera with the Explore Scientific 0.7x Reducer/Corrector (model 0510360)
It features a AF/MF confirm chip that tells your camera as if there was a proper camera...
Low stock (1) SKU: ES-0510363
Explore Scientific
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SKU: BC007
RevelationAstro
Revelation Astro 30mm 2" Plossle Eyepiece
The Revelation Astro 2" eyepiece range consists of high quality five element fully coated eyepieces, boasting wide fields of view. This range is ideal for deep sky views with the benefit of long eye relief for comfort....
In stock (2) SKU: SHS-2-0.95X-COMA-CORR
SharpStar
Sharpstar 2" 0.95x Reducer and Coma Corrector for f/3 to f/6 Newtonians for APS-C Sized Sensors
This coma corrector that also serves as an optical reducer, has been designed for commercially available Newtonian telescopes with an aim to improve their performance for imaging.
In stock (2) SKU: SHS-3-0.85X-COMA-CORR
SharpStar
Sharpstar 3" 0.85x Reducer and Coma Corrector for Newtonian Telescopes for Full Frame Sensors
This coma corrector that also serves as an optical reducer, has been designed for commercially available Newtonian telescopes with an aim to improve their performance for imaging.
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SKU: SHS-2-INCH-FLAT
SharpStar
Sharpstar Large 2" Field Flattener for Triplet APO Refractors
The SHARPSTAR 2" flattener has been designed to fully illuminate an APS-C sized sensor with 55mm working distance.
In stock (2) SKU: SHS-2.5-FLAT
SharpStar
Sharpstar Large 2.5" Field Flattener for APO Refractors from f/5 to f/9
The SHARPSTAR 2.5" flattener has been designed to fully illuminate a full frame sensor (24x36mm) without vignetting even if the telescope is as fast as f/5.
In stock (5) SKU: TSRed6.3
Teleskop Service
TSOptics f/6.3 Focal Reducer/Field Flattener
High-quality field corrector and focal reducer for Schmidt-Cassegrain telescopes from Celestron and Meade. Simple adaption - the reducer is directly screwed into the 2" SC thread of the SC telescopes. The focal length is...
In stock (2) SKU: PLLFLATBLACK
Primaluce Lab
Primaluce Lab 2" field flattener for AIRY BLACK and Similar APO Refractor Telescopes
The 2" field flattener for AIRY BLACK is specially designed for our AIRY BLACK apochromatic refractors and it generate a very large flat field, to use with cameras with big sensors, up to APS-C. In this way, the...
In stock (2) SKU: PLLFLAT1XDX25
Primaluce Lab
Primaluce Lab Deluxe 2.5" Field Flattener for AIRY BLACK APO Refractor Telescopes
The "Deluxe 2.5" field flattener for 90T" is specially designed for our AIRY BLACK apochromatic refractors and it generates a very large flat field, to use with cameras with big sensors, up to FullFrame...
In stock (30) SKU: Z486-ADC
ZWOptical
ZWO ADC Atmospheric Dispersion Corrector
The ZWO Atmospheric Dispersion Corrector is a good alternative to more expensive similar devicesfor observing and imaging objects at low altitude. The inner planets are always very near to the horizon therefore they cannot be...
In stock (5) SKU: VSR36504-1.25
365ASTRONOMY
365Astronomy 0.5x Focal Reducer with 1.25 inch Filter Thread
0.5x focal reduction - 1.25" - for observation & photography This 0.5x reducer from 365Astronomy shortens the focal lengths of the telescope by 50% and doubles the optical speed and field of view. This advantage...
In stock (10) SKU: VSR36504-C-mount
365ASTRONOMY
365Astronomy 0.5x Focal Reducer with C-mount for Video Astronomy
0.5x focal reduction for wide field video astronomy with C-mount connection and 1.25" nosepiece. This 0.5x reducer from 365Astronomy doubles the field of view when used with a video camera with C-mount. Many...
In stock (2) SKU: APM-RIFLAT1
APM Telescopes
APM Riccardi 1x Field Flattener Model 1 for f/6-f/7 APO Refractors
The APM Model 1 field flattener is intended specifically for refractors with focal ratios from F6 to F7. A sister design, the Model 2, is for F7 to F8 refractors. The flattener has been designed by Massimo Riccardi for...
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SKU: APM-RIFLAT2
APM Telescopes
APM Riccardi 1x Field Flattener Model 2 for f/8-f/9 APO Refractors
The APM Model 2 field flattener is intended specifically for refractors with focal ratios from F8 to F9. A sister design, the Model 1, is for F6 to F7 refractors. The flattener has been designed by Massimo Riccardi for...
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SKU: RIRED-M82
APM Telescopes
APM Riccardi APO Reducer and Flattener 0.75x for Full Frame Sensors - M82 Connection
Massimo Riccardi, well-known optical designer from Italy, has developed a 3-element 0.75x reducer/flattener for apochromatic refractor telescopes. The reducer reduces the focal length of the telescope by a quarter and corrects...
In stock (2) SKU: RIRED-M63
APM Telescopes
APM Riccardi Reducer and Flattener - 42mm field - 0.75x for Refractors and RC Telescopes - M63 Connection
This Reducer/Flattener is designed for Triplet APO telescopes. The connection to your telescope and camera occurs over an M63 x 1 thread. For the correct adjustment the reducer/flatener includes a adjustment flange. The...
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SKU: AS40007RD
SharpStar
ASKAR f/3.9 0.7x Reducer for FULL FRAME Cameras for ASKAR FRA400
This 0.7x Reducer has been specifically designed for the ASKAR FRA400 f5.6 APO telescopes to achieve a very fast f/3.9 focal ratio and 280mm focal length for wide field full frame imaging.
In stock (5) SKU: SHS-F4.5-61
SharpStar
Sharpstar 0.8x Reducer and Flattener for FULL FRAME Cameras for Sharpstar 61EDPH Telescope - M48 Camera Connection
This Reducer/Flattener has been designed for the Sharpstar 61EDPH APO telescope. The connection to your telescope and camera occurs over an M63 x 1 thread. For the correct adjustment the reducer/flatener includes a...
In stock (3) SKU: SHS-F4.5-76
SharpStar
Sharpstar 2.5" 0.8x Reducer and Flattener for FULL FRAME Cameras for Sharpstar 76EDPH Telescope - M48 Camera Connection
This Reducer/Flattener has been designed for the Sharpstar 61EDPH APO telescope. The connection to your telescope and camera occurs over an M63 x 1 thread. For the correct adjustment the reducer/flatener includes a...
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SKU: SHS-F4.4-94
SharpStar
Sharpstar 2.5" f/4.4 0.8x Reducer and Flattener for FULL FRAME Cameras for Sharpstar 94EDPH Telescope - M48 Camera Connection
This Reducer/Flattener has been specifically designed for the Sharpstar 94EDPH APO telescopes to achieve a fast f/4.4 focal ratio for full frame imaging.
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SKU: SHS-F4.8-140
SharpStar
Sharpstar 3" f/4.8 0.74x Reducer and Flattener for FULL FRAME Cameras for Sharpstar 140PH Telescope - M48 Camera Connection
This Reducer/Flattener has been specifically designed for the Sharpstar 94EDPH APO telescopes to achieve a fast f/4.4 focal ratio for full frame imaging.
In stock (2) SKU: TRF-2008
TELEVUE
TeleVue TRF-2008 0.8x Reducer / Flattener for TV-85, TV-76 and Other 400-600mm Focal Length Refractors
Model TRF-2008 0.8x Reducer/Flattener converts TV-85 to 480mm f/5.6 and TV-76 to 380mm f/5.0 for flat field, fast photography. Fully multi-coated 3-element unit with 48mm filter thread inserts directly into 2" focuser,...
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SKU: TSRED052
Teleskop Service
TS 0.5x Focal Reducer with 2 inch Filter Thread
0.5x Reducer - 2" - for visual observations & photography - with 0.5x focal reductionThe TS Optics 0.5x focal reducer reduces the focal length by 50% and doubles the field of view. This advantage can be used visually...
Low stock (1) SKU: TSV235
Teleskop Service
TS 2" Extension Tube with 35mm Optical Length
The 35mm 2" extension tube is the shortest of the available extension tubes in 2". Most adapters or eyepieces just fit into it snugly. In some cases the barrel of the eyepiece or adaptor may even be a little bit too...
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SKU: TSRED80
Teleskop Service
TS 2" PHOTOLINE 0.8x Reducer Field Flattener for 70mm and 80mm ED Refractors from f/6 to f/8
This revolutionary new field flattening system is the first one to our knowledge that offers a superior quality compared with conventional systems - larger possible illuminated field through elimination of the T2 keyhole...
In stock (2) SKU: TSFA240
Teleskop Service
TS Adapter from 2" to T-2 with 40mm Optical Length
TS FA240 Adapter 2" to male T2 with 40mm optical length The TSFA240 fits into 2" focusers and has a male T2 thread on the camera side. So you can connect nearly any camera via the T2 system. The T2 thread (M42x0.75...
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SKU: TSFlat2A-Adapter
Teleskop Service
TS Adapter Kit for TS 2-Inch Field Flattener
TS Optics - Individual adapter set to connect your camera to the TSFlat2 ... This set contains all adapters necessary to achieve the correct back focus Above: Adaptation example to T2 for DSLR cameras Assuring the correct d...
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SKU: TSFlat2
Teleskop Service
TS Universal 2-Inch Field Flattener for Refractors from f/5 to f/8
This revolutionary new field flattening system is the first one to our knowledge that offers a superior quality compared with conventional systems - larger possible illuminated field through elimination of the T2 keyhole...
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SKU: TSFlat2.5
Teleskop Service
TS Universal Large 2.5-Inch Field Flattener for Refractors from f/5 to f/9
TS Optics Field Flattener and Corrector for f/5 - f/9 Refractors - 61.5mm free apertureExceptional field correction for all refractors combined with large camera sensorsAdvantages of the TS 2.5" flattenerMany refractor...
Low stock (1) SKU: GSRCV25
Teleskop Service
TS-Optics 25mm M90x1 Extension Tube for 6" and 8" RC Focusers
Distance tube with 25 mm length for telescopes with M90x1 connection thread, for example for RC telescopes from TS-Optics, Astro Tech, GSO, ...
In stock (2) SKU: TSFlat3
Teleskop Service
TS-Optics 3" Field Flattener for Refractor Telescopes - M92 Connection for Large Sensors
Teleskop-Service has reworked and improved the legendary 3" flattener. The result is an outstanding field corrector for astrophotography with large sensors, like full-frame size cameras. The typical field aberrations of...
Low stock (1) SKU: TSFlat72
Teleskop Service
TS-Optics Photoline 1.0x Field Flattener for Photoline APO Refractors with 72mm Aperture
The corrector is especially designed for the compact travel apochromats from Teleskop-Service and produces optimal results with these telescopes. It is even possible to use cameras with full frame size sensors. The corrector...
In stock (2) SKU: ES-0510360
Explore Scientific
Explore Scientific 3" 0.7x Reducer Corrector
Reduces the focal length by the factor 0.7x (for f/8) and 0.8x (for f/10) respectively. The reducer/corrector not only reduces the focal length but also flattens the field. Although originally developed for the Explore Scie...
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SKU: 20225
Optical Vision
Field Flattener with T-Adapter for f/5.5 to f/6.0 Skywatcher Refractors
Sky-Watcher Field Flattener for f/5.5 - 6.0 Refractors with T-Ring Adaptor Superb quality, non-focal reducing Field Flattener optimised for DSLR imaging on refractor telescopes with focal ratios of between f/5.5 to f6.0. Will...
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SKU: 20188
SKYWATCHER
Skywatcher M48 Field Flattener for Esprit-100ED Pro
Sky-Watcher M48 Field Flattener for Esprit-100ED Professional Superb quality, non-focal reducing Field Flattener specially designed for DSLR and CCD imaging with Esprit-100ED....
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SKU: 20189
SKYWATCHER
Skywatcher M48 Field Flattener for Esprit-120ED Pro
Sky-Watcher M48 Field Flattener for Esprit-120ED Professional Superb quality, non-focal reducing Field Flattener specially designed for DSLR and CCD imaging with Esprit-120ED....
Low stock (1) SKU: 20190
SKYWATCHER
Skywatcher M48 Field Flattener for Esprit-150ED Pro
Sky-Watcher M48 Field Flattener for Esprit-150ED Professional Superb quality, non-focal reducing Field Flattener specially designed for DSLR and CCD imaging with Esprit-150ED.Image is for demonstration only. It shows the...
Low stock (1) SKU: 20187
SKYWATCHER
Skywatcher M48 Field Flattener for Esprit-80ED Pro
Sky-Watcher M48 Field Flattener for Esprit-80ED Professional Superb quality, non-focal reducing Field Flattener specially designed for DSLR and CCD imaging with Esprit-80ED....
In stock (2) SKU: TSRed279
Teleskop Service
TS-Optics PHOTOLINE 2" 0.79X 4-element Reducer and Field Flattener / Corrector for Astrophotography
Sky-Watcher Field Flattener for f/5.5 - 6.0 Refractors with T-Ring Adaptor Superb quality, non-focal reducing Field Flattener optimised for DSLR imaging on refractor telescopes with focal ratios of between f/5.5 to f6.0. Will...
Low stock (1) SKU: 20234
SKYWATCHER
SkyWatcher 0.85x Focal Reducer/Corrector for Evostar-120ED DS-PRO
0.85x Focal Reducer/Corrector for Evostar-120ED DS-PRO Designed for serious Astro-Imagers. Optimised for the Evostar-120ED PRO, this superb quality accessory effectively reduces the telescope’s focal length by a fac...
Low stock (1) SKU: 20235
SKYWATCHER
Skywatcher 0.85x Focal Reducer/Corrector for Evostar-100ED DS-PRO
0.85x Focal Reducer/Corrector for Evostar-100ED DS-PRO Designed for serious Astro-Imagers. Optimised for the Evostar-100ED PRO, this superb quality accessory effectively reduces the telescope’s focal length by a fac...
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SKU: 20236
SKYWATCHER
SkyWatcher 0.85x Focal Reducer/Corrector for Evostar-80ED DS-PRO
0.85x Focal Reducer/Corrector for Evostar-80ED DS-PRO Designed for serious Astro-Imagers. Optimised for the Evostar-80ED PRO, this superb quality accessory effectively reduces the telescope’s focal length by a facto...
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SKU: 94242
CELESTRON
Celestron Reducer 0.7x for EdgeHD 800
Celestron’s new EdgeHD reducers features a custom 4 element optical design engineered to maintain the flat-field performance of our award winning EdgeHD optical system. Unlike generic reducers, our premium reducers...
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SKU: 94241
CELESTRON
Celestron Reducer 0.7x for EdgeHD 1100
FREE SHIPPING TO UK MAINLAND! Celestron’s new EdgeHD reducers feature a custom 5 element optical design engineered to maintain the flat-field performance of our award winning EdgeHD optical system. Unlike generic...
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SKU: 94240
CELESTRON
Celestron Reducer 0.7x for EdgeHD 1400
Celestron’s new EdgeHD reducers feature a custom 5 element optical design engineered to maintain the flat-field performance of our award winning EdgeHD optical system. Unlike generic reducers, our premium reducers...
In stock (2) SKU: 94245
CELESTRON
Celestron Reducer 0.7x for EdgeHD 925
Celestron’s new EdgeHD reducers feature a custom 4-element optical design engineered to maintain the flat-field performance of our award winning EdgeHD optical system. Unlike generic reducers, our premium reducers...
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SKU: 2454400
Baader Planetarium
Alan Gee Telecompressor Mark II
Alan Gee Telecompressor Mark IIPlease CONTACT US to ask about availability!...
In stock (2) SKU: A1005
Astro-Physics
Astro-Physics A1005 Threaded Cover for Astro-Physics 2.7" Drawtubes and Accessories with 2.7" Female Threads
This versatile cover was designed to protect your focuser from gathering dust when not in use. It has 2.7" male threads and can be threaded into any Astro-Physics 2.7" focuser, as well as the Traveler focuser. The...
In stock (2) SKU: ADA2767
Astro-Physics
Astro-Physics ADA2767 2.7" to 6x7 Outer Bayonet Adapter
This adapter greatly increases the versatility and functionality of your imaging system. It was designed to couple larger format CCD cameras like the SBIG STL series and full frame DSLR’s (such as Canon and Nikon) to...
In stock (2) SKU: 2456314Z
Baader Planetarium
Baader Glasspath Corrector 1:1.25 for Maxbright or Mark V Bino
Glasspath Corrector 1:1.25 for Maxbright and Mark V Binocular Viewer. Please specify lens orientation to mount into the Mark V or into the T-2 thread of a Baader Star Diagonal or Maxbright T-2 Mirror Diagonal! The effect is...
Low stock (1) SKU: 2456316Z
Baader Planetarium
Baader Glasspath Corrector 1:1.70 for Maxbright or Mark V Bino
Glasspath Corrector 1:1.70 for Maxbright and Mark V Binocular Viewer. The effect is similar to having a Barlow lens. If used with a 90 deg prism it'll give 2x magnification. Please specify as above!Please CONTACT US to ask...
In stock (2) SKU: 2458405
Baader Planetarium
Baader M48 Spacer for MPCC III coma corrector
The M48 spacer ring for M48/MPCC III / Protective EOS T-Ring An important new addition for the MPCC Mark III- in conjunction with the Baader protective CANON T-Ring- use the full aperture of the M48 thread instead of...
Low stock (1) SKU: 93617
CELESTRON
Celestron Light Pollution Imaging Filter for Rowe-Ackermann Astrograph Telescope
Get the most out of your Celestron Rowe-Ackermann Schmidt Astrograph, even under light-polluted skies, with this Light Pollution Imaging Filter, custom-designed for RASA by Celestron and Astrodon.
No matter which camera...
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SKU: ES-0510320
Explore Scientific
Explore Scientific MPCC Field Flattener for ED APO - with Canon EOS T2 Adapter
2" stainless steel construction. For ED APOs with focal ration of about f/6. Suitable also for many Cassegrain telescopes. Built in 2" filter thread. Fully multicoated optics.
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SKU: 2458200
Baader Planetarium
Fluorite Flatfield Converter (FFC)/4x-8x
Fluorite Flatfield Converter (FFC) / 4x-8x - worlds best Barlow-LensPlease CONTACT US for availability information! ...
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SKU: KomakorrF4
Lacerta
Lacerta Coma Corrector 2" for up to f/4 Newtonian Telescopes - Aplanatic 4-element GPU Design
Optimised for fast-ratio f/4 - f/5 Newtonian Reflectors / Dobsonians etc. with a 2” focuser.
This large, 4-element coma corrector has been designed by famous optical engineer, Pal Gyulai (Hungary) who became known for...
Low stock (1) SKU: 2956800
Baader Planetarium
RCC I Rowe Coma Corrector for Newton Telescopes
Baader Coma Corrector RCC I (Rowe Coma Corrector) for Newtonian Telescopes with Long Working Distance Baader RCC I (Rowe Coma Corrector) is a novel Coma Corrector by Dave Rowe with triplet lens design for f/4 Newtonian...
In stock (2) SKU: 20233
SKYWATCHER
Skywatcher Coma Corrector 2" for Newtonian Telescopes
Optimised for all Sky-Watcher fast-ratio f/5 Newtonian Reflectors / Dobsonians, with 2” focuser. Delivers stunning wide-field views with pinpoint stars to the edge of the field. Magnification remains unaltered. Supplied...
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SKU: 20231
SKYWATCHER
Skywatcher F/4 Aplanatic Super Coma Corrector for F/4 Quattro Newtonians
Optimised for Sky-Watcher superfast f/4 Quattro imaging Newtonians, delivering stunning wide-field views with pinpoint stars to the edge of the flat field. Features a 4 x element design with one element made from FPL51 ED...
In stock (2) SKU: ATT-2125
TELEVUE
Televue ATT-2125 Paracorr Tunable Top for Televue BIG Paracorr
The 2” Tunable Top with 1¼” Adapter (model #ATT-2125) is the tunable top from the standard Tele Vue 2” Paracorr Type-2. It permits positioning all eyepieces for optimum coma correction. For use on the...
Low stock (1) SKU: VIP-3010
TELEVUE
Televue BIG Paracorr Type 2 Coma Corrector for 3" Focusers
Paracorr is a universal corrector that tightens and intensifies star images on all f-ratios down to f/3! without adding any false color or spherical aberration! You no longer have to constantly shift a Dobsonian to keep...
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SKU: VIP-2010
TELEVUE
Televue Paracorr Type 2 Coma Corrector for 2" Focusers
Paracorr is a universal corrector that tightens and intensifies star images on all f-ratios down to f/3! without adding any false color or spherical aberration! You no longer have to constantly shift a Dobsonian to keep...
In stock (2) SKU: TSRCFlat2
Teleskop Service
TS Optics 2" Field Corrector for RC Astrographs - 45mm Corrected and Illuminated field
2" corrector for f/8 RC telescopes - without altering the focal length. Suitable for all GSO RC telescopes from 6" to 16" and for all RC telescopes with f8.
In stock (2) SKU: TSRCFlat3
Teleskop Service
TS Optics 3" Field Corrector for RC Astrographs - 68mm Corrected and Illuminated field
Exceptional results even with full size sensors - the focal lenght is not affected - optimised for f/8 Ritchey-Chretien Astrographs Direct M48 connection for DSLR cameras
In stock (2) SKU: WO-WP-FLAT73R
William Optics
William Optics 0.8x Reducer & Field Flattener Flat73R for ZenithStar 73
Brand new adjustable field flattener and 0.8x reducer for the William Optics Zenithstar 73 OTA.
It is adjustable as per the image, so that you can set the right spacing that you need for your camera without the need...
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SKU: WO-P-FLAT61A
William Optics
William Optics Adjustable Field Flattener Flat61 for Z61 ZenithStar 61
1:1 power (non-maginfying) adjustable field flattener for the William Optics ZenithStar 61 Telescope
Features male M48 thread for camera mounting.
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SKU: WO_FLATTENER68
William Optics
William Optics FLT Field Flattener
This high-quality flattener has been engineered and CNC machined for usage with the William Optics FLT-110 / 132 APO refractor. 35 mm camera adapter and CCD camera adapter included in the price. Ideal for large 35mm format C...
In stock (4) SKU: 20237
SKYWATCHER
SkyWatcher Canon M48x0.75 Adaptor for Coma Corrector
Designed for attaching a Canon DSLR camera to any of the Sky-Watcher 0.85x Focal Reducer/Correctors (product codes 20234, 20235 & 20236).
Optical length: appr. 11mm
Low stock (1) SKU: 20238
SKYWATCHER
SkyWatcher Nikon M48x0.75 Adaptor for Coma Corrector
SkyWatcher Nikon M48x0.75 Adaptor for Coma Corrector Designed for attaching a Nikon DSLR camera to any of the Sky-Watcher 0.85x Focal Reducer/Correctors (product codes 20234, 20235 & 20236)....
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SKU: WO-P-FLAT6AIII
William Optics
William Optics P-FLAT6AIII Adjustable MkIII 0.8x Reducer / Flattener
This very elegant 2" reducer and field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F/7.5 ratio refactors. The William Optics Flat 6AIll will provide good...
