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Spares Parts

Spares for mainly telescopes but we can also

supply some parts for other optics as well.

 

Please contact us if you need a service quote.

Spares Parts Grovers Optics Northallerton

Spares Parts

15 products - next page link at the bottom

Showing 1-15 of 144 item(s)

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  • Fits All Brands inc SkyWatcher & Celestron. The Celestron Star Pointer Finderscope is the way to go if you want the easiest way possible to locate an object and center it in your eyepiece. Instructions below description.

    • NexStar+ Hand Control is compatible with all altazimuth (AZ) NexStar telescopes.
    • Flash upgradeable via the Internet; latest updates can be found at Celestron.com.
    • 40,000-object database.
    • Dual line, 16-character LCD screen with adjustable backlighting.
    • RS-232 connection for computer control.
    • NexStar+ Hand Control works with Celestron equatorially mounted computerized telescopes.
    • Compatible with Advanced VX, CGEM, CGEM DX, and CGE Pro series telescopes and mounts.
    • Flash upgradeable via the Internet; latest updates can be found at Celestron.com.
    • 40,000-object database with RS-232 connection for computer control.
    • Dual line, 16-character LCD screen with adjustable backlighting.
  • This flashable Celestron NexStar hand control is compatible with Advanced VX, CG5-GT, CGEM and CGE Pro series computerized telescopes.

    This is NOT the new "NexStar+" hand controller!

  • This flashable Celestron NexStar hand control (HC) is compatible with NexStar SE and CPC GPS series computerized telescopes.

    This is NOT the current NexStar + hand controller! If you are replacing a Nexstar + HC you must buy another + HC & not this.

    You are likely to need the firmware reflashing with this HC connected to your mount. See this link for details

  • The most common way to power your telescope in these situations is to use a portable 12V battery pack, like the Tracer, Celestron & Sky-Watcher PowerTanks, or to use power from your car’s battery via the cigarette lighter.

  • A Visual Back is a metal adapter that screws onto the standard rear cell threads of Schmidt-Cassegrain and Maksutov-Cassegrain telescopes and accepts 1.25” accessories, including diagonals, eyepieces (for straight-through viewing), Barlows, webcams, and any other accessory with a 1.25” insert barrel.

  • Sold in pairs

    Choose Model From Scroll Down Menu - on the right

    Some rods may be of equal length.

    Otherwise: EQ3-2 - 13cm & 19cm. EQ2 29cm & 33cm. EQ2-5/AZ3 All fit each other but lengths vary.

  • Tested in Germany under the stringent safety requirements of DIN EN ISO 12312-2 : 2015-11 and certified 100% safe for solar observation. Watch Solar Eclipses, Sun Spots, Planet Transits, crossing aircrafts and satellites.

  • Celestron C6 Schmit...

    Price £649.00

    Perfect if you have damaged a Nexstar telescope's optical tube:
    SLT grey (Right), Astro-Fi black (Right), Evolution silver (Left) SE orange (Left)
    Construction & StarBright multi-coated optics are identical in all

    The dovetail position (in brackets) will alter the position of the focuser
    An EQ mounted focuser is different again

    Supplied without mount, tripod, finderscope, visual back, diagonal or eyepieces

  • High quality lenses made from acrylic glass. The budget solution for all optical experiments. Diameters between 13 and 62 mm, a whole range of different focal lengths.


    C: convergent lens

    D: divergent lens