GSO

GSO or Guan Sheng Optical, supplier of all kinds of telescope accessories. GSO supplies everything in the field of accessories.

Price/quality is of paramount importance. Eyepieces, diagonals, main and secondary mirrors or mirror holders. Everything from focusing devices to telescope brackets is available at GSO.

Ganymedes generally has a lot of GSO in stock, which means that it can be delivered quickly at very reasonable prices.


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  • Guan Sheng zoeker voetje

    Guan Sheng zoeker voetje

    Rated 0 out of 5
    € 12,50
    Available
  • Guan Sheng buisringen 136mm set, zwart

    GSO buis-ringen 90mm set, zwart

    Rated 0 out of 5
    € 20,00
    Available via backorder
  • Guan Sheng Dark Green 2 inch Filter #58

    Guan Sheng Dark Green 2 inch Filter #58

    Rated 0 out of 5
    € 29,00
    Available
  • Offers
    Guan Sheng 45 graden omkeer diagonaal

    Guan Sheng 45 graden omkeer diagonaal

    Rated 0 out of 5
    Sale! Original price was: € 39,00.Current price is: € 29,00.
    Available
  • Omegon 0.5x reducer

    Omegon 0.5X reducer 1.25″

    Type: Reducer
    Reducing factor (x): 0.5
    Connection to telescope: 1.25
    Rated 0 out of 5
    € 39,90
    Available
  • Guan Sheng 5x Barlow Lens APO

    Guan Sheng 5x Barlow Lens APO

    Rated 0 out of 5
    € 69,00
    Available
  • Guan Sheng Barlow ED lens 2x 2"

    Guan Sheng Barlow ED lens 2x 2″

    Rated 0 out of 5
    € 89,00
    Available via backorder
  • GSO 2x barlow lens

    Guan Sheng Barlow lens 2x

    Rated 0 out of 5
    € 39,00
    Ask us for the delivery time
  • GSO Barlow lens 3x 1 25 inch

    Guan Sheng Barlow lens 3x 1 25 inch

    Rated 0 out of 5
    € 39,00
    Ask us for the delivery time
  • GSO Barlow lens 3x 1 25 inch

    Guan Sheng Barlow lens 3x ED 1 25 inch

    Rated 0 out of 5
    € 49,00
    Available via backorder
  • Guan Sheng 1.25" neusstuk met T2-draad

    Guan Sheng 1.25″ neusstuk met T2-draad

    Rated 0 out of 5
    € 15,00
    Available
  • Guan Sheng 6" F8 primaire spiegel.

    Guan Sheng 10 inch F5 primaire spiegel

    Rated 0 out of 5
    € 295,00
    Available via backorder
  • Guan Sheng 6" F5 spiegelset

    Guan Sheng 10 inch F5 spiegelset 63mm sec. spiegel

    Rated 0 out of 5
    € 345,00
    Available via backorder
  • Guan Sheng 6" F5 spiegelset

    Guan Sheng 10 inch F5 spiegelset 70mm sec. spiegel

    Rated 0 out of 5
    € 345,00
    Available via backorder
  • Guan Sheng 2 inch focuser met 1:10 vertraging

    Guan Sheng 2 inch focuser met 1:10 vertraging

    Rated 0 out of 5
    € 135,00
    Available via backorder
  • Guan Sheng 2 inch verleng bus 35 mm

    Guan Sheng 2 inch verleng bus 35 mm

    Type: Spacers
    2 inch: Ja
    M48: Ja
    Rated 0 out of 5
    € 24,00
    Available
  • Guan Sheng 2 inch verleng bus 80 mm

    Guan Sheng 2 inch verleng bus 80 mm

    Type: Spacers
    2 inch: Ja
    M48: Ja
    Rated 0 out of 5
    € 24,00
    Available
  • Guan Sheng 40mm plossl oculair 1.25"

    Guan Sheng 20mm SuperView 1 25 inch wide field

    Rated 0 out of 5
    € 49,00
    Available
  • Guan Sheng 40mm secundaire spiegel (Geen spider)

    Guan Sheng 21mm secundaire spiegel (geen spider)

    Rated 0 out of 5
    € 20,00
    Available via backorder
  • Guan Sheng 40mm plossl oculair 1.25"

    Guan Sheng 25mm plossl oculair 1.25″

    Rated 0 out of 5
    € 39,00
    Available via backorder
  • Guan Sheng 40mm secundaire spiegel (Geen spider)

    Guan Sheng 29mm secundaire spiegel geen spider

    Rated 0 out of 5
    € 30,00
    Ask us for the delivery time
  • Guan Sheng 40mm secundaire spiegel (Geen spider)

    Guan Sheng 31mm secundaire spiegel geen spider

    Rated 0 out of 5
    € 35,00
    Available via backorder
  • Guan Sheng 40mm plossl oculair 1.25"

    Guan Sheng 20 mm plössl oculair 1.25 inch

    Rated 0 out of 5
    € 39,00
    Available
  • Guan Sheng 40mm secundaire spiegel (Geen spider)

    Guan Sheng 40mm secundaire spiegel (Geen spider)

    Rated 0 out of 5
    € 35,00
    Available via backorder
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