Apochromatic doublet


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  • William Optics Guide Star 61 APO telescoop

    William Optics Guide Star 61 APO telescoop

    Aperture (mm): 61
    Focal length (mm): 360
    Speed ​​(f): 5.9
    Rated 0 out of 5
    Price range: € 399,00 through € 499,00
     This product has multiple variants. The options may be chosen on the product page
    Delivery time: make your choice
  • William Optics ZenithStar 73 APO Goud

    William Optics ZenithStar 73 APO Goud

    Aperture (mm): 73
    Focal length (mm): 430.7
    Speed ​​(f): 5.9
    Rated 0 out of 5
    € 899,00
    Ask us for the delivery time
  • William Optics ZenithStar 73 APO Rood

    William Optics ZenithStar 73 APO Rood

    Aperture (mm): 73
    Focal length (mm): 430.7
    Speed ​​(f): 5.9
    Rated 0 out of 5
    € 899,00
    Ask us for the delivery time
  • TecnoSky ED APO Refractor 70/420 F/6

    TecnoSky ED APO Refractor 70/420 F/6

    Aperture (mm): 70
    Focal length (mm): 420
    Speed ​​(f): 6
    Rated 0 out of 5
    € 395,00
    Ask us for the delivery time
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