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Grovers Optics & Photo. 216 High Street. Northallerton

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Grovers Toymaster 216 High Street, Northallerton DL78LW

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Flatteners / Correctors There are 35 products.

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Showing 1 - 30 of 35 items
  • £ 250.00 Out of stock Tax included

    For 102 115 130mm Altair Triplet Refractor The Planostar 3" 3-element 0.79x reducer is designed to work with Altair Astro and other refractors with focal ratios from F6 to F8, optimized at F7. An F7 scope becomes an F5.53 astrograph. A direct-thread attachment improves the rigidity and alignment of the imaging train compared to the usual 2" pushfit system.

    £ 250.00 Tax included
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  • £ 189.00 Available To Order Tax included

    Designed for serious Astro-Imagers. Optimised for the Evostar-72ED PRO, this superb quality accessory effectively reduces the telescope’s focal length by a factor of 0.85x and provides much improved field-edge correction. Supplied with thumbscrew fit adaptor. Use in conjunction with Sky-watcher’s M48 Canon or Nikon T-ring adaptors (product codes 20237...

    £ 189.00 Tax included
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  • £ 189.00 Delivery In 1-5 Days* Tax included

    Designed for serious Astro-Imagers. Optimised for the Evostar-72ED PRO, this superb quality accessory effectively reduces the telescope’s focal length by a factor of 0.85x and provides much improved field-edge correction. Supplied with thumbscrew fit adaptor. Use in conjunction with Sky-watcher’s M48 Canon or Nikon T-ring adaptors (product codes 20237...

    £ 189.00 Tax included
    1-5 Days UK Delivery*
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  • £ 155.00 Delivery In 1-5 Days* Tax included

    For 102 110 115 130 refractors (Canon EOS DSLR Kit) This large format field flattener is designed to work with the Altair Astro 102mm, 115mm and 130mm F7 EDT Triplet APOs, and has an M48 rear conical adapter for connecting your DSLR or CCD camera.

    £ 155.00 Tax included
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  • £ 105.00 Delivery In 1-5 Days* Tax included

    A non-focal reducing Field Flattener which gives improved results for photography with triplet and doublet refractor telescopes of between F5 and F6 focal ratio. Also known to work with RC telescopes.

    £ 105.00 Tax included
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  • £ 119.00 Delivery In 1-5 Days* Tax included

    A high quality dual element 0.8x Field Flattener / Reducer for use with Starwave 70ED Refractor and Canon DSLR. Will only work with a Starwave 70ED

    £ 119.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 119.00 Delivery In 1-5 Days* Tax included

    A high quality dual element 0.8x Field Flattener / Reducer for use with Starwave 70ED Refractor and Nikon DSLR. Will only work with a Starwave 70ED

    £ 119.00 Tax included
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  • £ 84.95 Delivery In 1-5 Days* Tax included

    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 also provide much improved results on refractors with focal lengths narrowly outside this optimised f/range. Integral T-Ring adaptor thread. High quality CNC machined body with gloss black anodised finish.

    £ 84.95 Tax included
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  • £ 149.00 Delivery In 1-5 Days* Tax included

    Delivers stunning wide-field views with pinpoint stars to the edge of the field.

    £ 149.00 Tax included
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  • £ 255.00 Delivery In 1-5 Days* Tax included

    Delivers stunning wide-field views with pinpoint stars to the edge of the flat field. 

    £ 255.00 Tax included
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  • £ 199.00 Delivery In 1-5 Days* Tax included

    Designed for serious Astro-Imagers.

    £ 199.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 199.00 Delivery In 1-5 Days* Tax included

    Designed for serious Astro-Imagers.

    £ 199.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 199.00 Delivery In 1-5 Days* Tax included

    Designed for serious Astro-Imagers.

    £ 199.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 575.00 Delivered In 2-3 Weeks Tax included

    The Worlds best Barlow Lens! The Fluorite Flatfield Converter (FFC) is designed by one of the APQ optical inventors. It provides a diffraction limited, apochromatic flat field over a 90mm circular format. It will work equally well for a SLR-Camera and (if used on a planet for instance), it provides 10 times higher linear resolution than the best 4 mm...

    £ 575.00 Tax included
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  • £ 159.00 Delivery In 1-5 Days* Tax included

    This great product from Baader now allows you to use your Newtonian telescope to take stunning wide field photographic or digital images of the night sky, or just use visually for much wider views, while at the same time keeping stars pin point sharp to the edge of field, this is all done with no increase in magnification so images stay bright and sharp.

    £ 159.00 Tax included
    1-5 Days UK Delivery*
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  • £ 145.00 Delivered In 2-3 Weeks Tax included

    Use this fantastic product to correct the Coma that is inherent in fast Newtonian imaging.

    £ 145.00 Tax included
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  • £ 170.00 Tax included

    2" x 1.7 Glass path corrector with integrated coma corrector, this is for use with Binocular Viewer with Newtonian telescopes.

    £ 170.00 Tax included
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  • £ 173.00 Tax included

    2" x 1.7 Glass path corrector with integrated coma corrector, this is for use with Binocular Viewer with Newtonian telescopes.

    £ 173.00 Tax included
    1-5 Days UK Delivery*
  • £ 155.00 Tax included

    This corrector has a large clear aperture to avoid vignetting while coatings on all glass to air surfaces ensure extremely high transmission rates and eliminate off axis stray light giving extremely high contrast bright images, a must have for use with the Bino viewer.

    £ 155.00 Tax included
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  • £ 84.95 Tax included

    Corrects the color error caused by the long light-path through the binoviewer glass prisms. The Baader Glasspath Corrector - 1:1.25 also magnifies and extends the focal point of the telescope. The focal point of the telescope can be extended sufficiently to accommodate the length of the binoviewer.

    £ 84.95 Tax included
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  • £ 84.95 Tax included

    Corrects the color error caused by the long light-path through the binoviewer glass prisms. The Baader Glasspath Corrector - 1:1.7 also magnifies and extends the focal point of the telescope. The focal point of the telescope can be extended sufficiently to accommodate the length of the binoviewer.

    £ 84.95 Tax included
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  • £ 84.95 In Stock Tax included

    Glasspath corrector 1:2.6 for Maxbright and Mark V Binocular viewer. Available only to mount between T-2 threads.

    £ 84.95 Tax included
    1-5 Days UK Delivery*
    In Stock
  • £ 42.00 Tax included

    Baader Q-Barlow lens 2.25x (HT-multicoated) / dual factor lens assy (1.3x/ 2.25x). This Q-Barlow is optically matched to the Classic Eyepiece Range to give outstanding performance in the field.

    £ 42.00 Tax included
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  • £ 170.00 Tax included

    he Baader Planetarium VIP Modular Barlow is a complete high quality 2X photo-visual barlow system.  The VIP (VIsual and Photographic) barlow is ingeniously designed for functionality and flexibility.  It  consists of several modular component parts, which enable you to configure the barlow for multiple visual and imaging uses. 

    £ 170.00 Tax included
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  • £ 105.00 Delivery In 1-5 Days* Tax included

    A non-focal reducing Field Flattener which gives improved results for photography with triplet and doublet refractor telescopes of between F5.5 and approximately F6.25 focal ratio.   

    £ 105.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 119.00 Delivery In 1-5 Days* Tax included

    This combination focal reducer and field corrector lens accessory works with all Celestron 5", 6", 8", 9 1/4", 11" and 14" (NON Edge HD) Schmidt-Cassegrain telescopes. This clever accessory makes it possible to have a dual focal ratio instrument, without sacrificing image quality. The Reducer/Corrector is f/6.3 for C5, C6, C8, C9¼ and C11 (NON Edge HD)...

    £ 119.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 35.95 Delivery In 1-5 Days* Tax included

    This adapter allows you to connect your PlanoStar 1.0x 3" Field Flattener to the 3.0" Crayford focuser on 80, 102, 115 and 130mm Wave Series refractors manufactured in 2014.

    £ 35.95 Tax included
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  • £ 105.00 Delivery In 1-5 Days* Tax included

    Simply remove the rear push-fit adapter from the Starwave 3.5" focuser, and screw the flattener into the focuser-end cap for a rigid fit. The camera-facing rear thread on the Planostar unit is M48 male, which allows the use of the Starwave DSLR Adapter for Canon/Nikon and various Altair Astro M48 spacers for use with CCD cameras.

    £ 105.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 199.00 Delivery In 1-5 Days* Tax included

    Designed for serious Astro-Imagers. Optimised for the Evostar-150ED PRO

    £ 199.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 105.00 Delivery In 1-5 Days* Tax included

    Simply remove the rear push-fit adapter from the Starwave 3.5" focuser, and screw the flattener into the focuser-end cap for a rigid fit. The camera-facing rear thread on the Planostar unit is M48 male, which allows the use of the Starwave DSLR Adapter for Canon/Nikon and various Altair Astro M48 spacers for use with CCD cameras.

    £ 105.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
Showing 1 - 30 of 35 items