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Grovers Toymaster 216 High Street, Northallerton DL78LW

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Barlows / Reducers There are 33 products.

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Showing 1 - 30 of 33 items
  • £ 94.00 Delivery In 1-5 Days* Tax included

    Contains Aluminum housing with 30mm aperture. This Barlow Lens fits 2 inch filters and includes brass non-marring compressing ring for 2" to 1.25" Adapter. Insert this into the telescope's eyepiece holder first, and then insert your eyepiece into the Barlow. Product carries full one year Meade limited factory warranty.

    £ 94.00 Tax included
    1-5 Days UK Delivery*
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  • £ 34.95 Delivery In 1-5 Days* Tax included

    The Altair Astro 0.5x focal reducer reduces the focal length of your telescope or guide scope by 50%, in most applications.   The amount of focal reduction can vary slightly with spacing from the camera sensor. By moving the focal reducer inwards and outwards from the sensor you can get a variation of about 40% - 80% reduction.

    £ 34.95 Tax included
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  • £ 44.95 Delivery In 1-5 Days* Tax included

    The Altair Astro Altair-EX 3x ED Barlow Lens contains ED optics for better colour correction compared to a conventional Barlow lens for improved contrast. 

    £ 44.95 Tax included
    1-5 Days UK Delivery*
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  • £ 135.00 Delivery In 1-5 Days* Tax included

    An 0.6x focal reducer which gives an 0.6x faster exposure time, as well as a correspondingly wider field for astro-photography with refractor telescopes of between F6.5 and longer focal ratios.  

    £ 135.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 105.00 Delivery In 1-5 Days* Tax included

    An 0.8x focal reducer which gives an 0.8x faster exposure time, as well as a correspondingly wider field for astro-photography with refractor telescopes of between F6.5 and longer focal ratios.  

    £ 105.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 61.00 Delivery In 1-5 Days* Tax included

    This eyepiece reducer enables 1.25 inch eyepieces or accessories to fit into 2 inch focusers and diagonals, it uses Baaders innovative Clicklock clamping system that has proved time and again to save time, and wear and tear, on your eyepieces or other accessories when changing them.

    £ 61.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 375.00 Tax included

    With 31.7mm Baader ClickLock clamp. The latest version of one of the finest astronomical barlows ever made has been manufactured exclusively for Baader Planetarium by Carl Zeiss.

    £ 375.00 Tax included
    1-5 Days UK Delivery*
  • £ 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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    Delivered In 2-3 Weeks
  • £ 105.00 Tax included

    Riplet lens design for anastigmatic flat field suitable to complement the high image quality of the Hyperion Zoom. Converts every Hyperion Zoom into a 3.5 - 10.5mm high power Astro-Zoom eyepiece.

    £ 105.00 Tax included
    1-5 Days UK Delivery*
  • £ 32.95 Delivery In 1-5 Days* Tax included

    This useful 50.8mm to 31.7mm reducer has a tiny 1mm profile saving valuable back focus. This makes it the ideal companion for the Steeltrack Newtonian and Refractor Crayford Focusers.

    £ 32.95 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 110.00 Delivered In 2-3 Week* Tax included
    New

    To connect all parts of the Baader M68 System directly to a Celestron or AstroPhysics 3,3" thread

    £ 110.00 Tax included
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    Delivered In 2-3 Week*
  • £ 20.95 Delivered In 2-3 Weeks Tax included

    Special Reducer 2 Inch / 1 1/4 for NT Steeltrack with 4.5mm Optical Height Only

    £ 20.95 Tax included
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    Delivered In 2-3 Weeks
  • £ 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*
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  • £ 99.00 Before £ 119.00 Delivery In 1-5 Days* Tax included

    The Celestron 2” Luminos Barlow Lens increases the magnification of your 2” and 1.25” eyepieces by 2.5x.  The premium 4-element apochromatic optics are fully multi-coated for optimum light transmission and yield high contrast, true color images. The beautiful hard-anodized aluminum housing matches the eyepieces in the Celestron Luminos line.

    £ 99.00 Before £ 119.00 Tax included
    1-5 Days UK Delivery*
    Reduced price!
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  • £ 56.95 Delivery In 1-5 Days* Tax included
    Sale!

    Double the magnification of each eyepiece you own with the Omni 2X Barlow Lens. Keep the eye relief of your eyepieces while getting 2X the power. Slides into 1.25” focusers and diagonals and accepts 1.25” eyepieces. Fully multi-coated optics with blackened edges for good light transmission and minimal reflections.

    £ 56.95 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 105.00 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)...

    £ 105.00 Tax included
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  • £ 765.00 Available To Order Tax included

    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 provide substantial back focus to accommodate an assortment of imaging accessories.

    £ 765.00 Tax included
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  • £ 765.00 Available To Order Tax included

    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 provide substantial back focus to accommodate an assortment of imaging accessories.

    £ 765.00 Tax included
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  • £ 409.00 Delivery In 1-5 Days* Tax included

    The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 9.25" one full F-Stop faster than f/10, reducing your exposure time by half to capture the same brightness of object 4-element lens design Maintains similar flat-field performance as native EdgeHD optical design Increases field of view by 43% to better capture wide field images

    £ 409.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 275.00 Before £ 349.00 Delivery In 1-5 Days* Tax included

    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 provide substantial back focus to accommodate an assortment of imaging accessories.

    £ 275.00 Before £ 349.00 Tax included
    1-5 Days UK Delivery*
    Reduced price!
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  • £ 72.95 Delivery In 1-5 Days* Tax included

    Quality X-Cel LX 2x Barlow doubles the magnification of any 1.25” eyepiece. 3-element apochromatic, fully multi-coated optics offer up bright, sharp images. A rubber grip helps to avoid accidental drops Barrel is threaded to accept standard 1.25” filters. A brass compression ring holds the eyepiece firmly in place.

    £ 72.95 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 72.00 Before £ 75.95 Delivery In 1-5 Days* Tax included

    Quality X-Cel LX 3x Barlow triples the magnification of any 1.25” eyepiece, perfect for owners of fast, short focal length telescopes. 3-element apochromatic, fully multi-coated optics offer up bright, sharp images with excellent color correction. A rubber grip helps to avoid accidental drops. Barrel is threaded to accept standard 1.25” filters.

    £ 72.00 Before £ 75.95 Tax included
    1-5 Days UK Delivery*
    Reduced price!
    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
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 64.95 Delivery In 1-5 Days* Tax included

    Premium x3 short Barlow lens with T-mount camera adaptor thread. 3-Element design. Fully Multi-Coated

    £ 64.95 Tax included
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    Delivery In 1-5 Days*
  • £ 74.95 Delivery In 1-5 Days* Tax included

    Premium x3 Barlow Lens consisting of four lens elements. Fully Multi-Coated. Brass Compresssion Ring to hold eyepieces.

    £ 74.95 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 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*
    Delivery In 1-5 Days*
  • £ 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
    Ask For Delivery Time
    Available To Order
  • £ 189.00 Delivery In 1-5 Days* Tax included

    Designed for serious Astro-Imagers.

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

    Designed for serious Astro-Imagers.

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

    Designed for serious Astro-Imagers.

    £ 189.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
Showing 1 - 30 of 33 items