Focal Reducers & Barlows

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  1. Celestron Focal Reducer/Corrector f/0.63
    AUD $299.00

    Backorder Available

    Out of stock

    • This combination focal reducer and field corrector lens accessory works with all Celestron 5", 6", 8", 9 1/4", 11" and 14" 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, C9ΒΌ and C11 telescopes and f/7 for the C14 telescope
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  2. Celestron Reducer Lens 0.7x EdgeHD 11 inch
    AUD $2,199.00

    Backorder Available

    Out of stock

    • The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 1100 one full F-Stop faster than f/10, reducing your exposure time by half to capture the same brightness of object
    • 5-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
    • Threads directly onto the 3.25" threads of the EdgeHD which reduces mechanical vignetting and allows for use with larger (full frame) sensors and Off-Axis Guiders
    • Maintains the identical back focus when used at f/10 and provides generous back focus to accommodate additional accessories and wide variety of cameras
    • Allows use of existing EdgeHD T-Adapters with or without the Reducer Lens
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  3. Celestron Reducer Lens 0.7x EdgeHD 8 Inch
    AUD $749.00

    Backorder Available

    Out of stock

    • The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 800 one full f-stop faster than f/10, doubling the equivalent exposure at f/10
    • 4-element lens design
    • Maintains similar flat-field performance as native EdgeHD optical design
    • Increases field of view by 43% (double by area) to better capture wide field images
    • Optimized for APS-C sized sensors, including most DSLR cameras and Nightscape CCD cameras
    • Provides generous 105 mm back focus to accomodate additional accessories and a wide variety of cameras
    • Compatible with EdgeHD 800 T-Adapter
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  4. Explore Scientific Super Achromatic 1.25 Inch 3x Focal Extender / Barlow
    AUD $195.00

    Backorder Available

    Out of stock

    Increase the magnification of any 1.25" eyepiece by 3 times. Learn More
  5. Explore Scientific Super Achromatic 1.25 Inch 2x Focal Extender / Barlow
    AUD $195.00

    Backorder Available

    Out of stock

    Increase the magnification of any 1.25" eyepiece by 2 times. Learn More
  6. Sirius 2 inch 2x ED Barlow
    AUD $139.00

    Backorder Available

    Out of stock

    2" 2x Barlow lens, featuring ED glass and compression ring

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  7. Sirius 0.5x Focal Reducer 1.25 Inch
    AUD $50.00

    Backorder Available

  8. Sirius Achromatic 2x Barlow 1.25 Inch
    AUD $39.00

    Backorder Available

    Out of stock

    Double your eyepiece collection with this short-focus 2x Barlow lens

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  9. Sirius 3x Achromatic Barlow 1.25 Inch
    AUD $59.00

    Backorder Available

    Out of stock

    Use with any 1.25" eyepiece to triple its magnification

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  10. Orion 0.8x Focal Reducer For Refractor Telescopes
    AUD $349.00

    Backorder: Allow 4-8 weeks

    Out of stock

    • Reduces an astrophotography refractor's effective focal length by a factor of 0.8x, providing a shorter, more optically fast focal ratio
    • Designed for use with any refractor telescope equipped with a 2" focuser
    • Enables a refractor to both acquire a larger field of view and to capture bright, detailed astrophotos in considerable less time
    • Features fully multi-coated, 38mm clear aperture optics housed in a sleek, machined and anodized aluminum body
    • Requires 55mm of backfocus
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