Results in Telescope Mirror and Prism Parts

1-25 of 109

  • 1.25" 90 degree star diagonal for telescope eyepiece. dust caps

    1.25" 90 degree star diagonal for telescope eyepiece. dust caps

    £14.95
    £2.00 postage
  • 8" / 200mm Telescope Mirror Blank - PILKINGTON PLATE GLASS

    8" / 200mm Telescope Mirror Blank - PILKINGTON PLATE GLASS

    Galvoptics Ltd.
    £50.40
    £12.50 postage
    4 watching4 watching
  • Optical Hardware 1.25" 90 degree star diagonal for telescope eyepiece. dust caps

    Optical Hardware 1.25" 90 degree star diagonal for telescope eyepiece. dust caps

    Great value 1.25" 90 degree star diagonal (mirror). The 90 degree angle aids more comfortable views of high up targets. Complete with eye piece securing knob and dust caps. Comes boxed, with the Optical Hardware product bar code showing.
    £14.99
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    93 sold93 sold
  • Ostara 2” dielectric diagonal 90o

    Ostara 2” dielectric diagonal 90o

    With its sleek finish, the Ostara diagonal is pleasing to the eye and sturdy to the touch.
    £75.00
    Available for Best Offeror Best Offer
    £5.00 postage
  • Revelation Dielectric 99% Quartz 1.25" Diagonal

    Revelation Dielectric 99% Quartz 1.25" Diagonal

    This premium Revelation Dielectric 99% Quartz 1.25" Diagonal will be a visible improvement over the scope’s factory-supplied diagonal.
    £55.00
    Click & Collect
    £3.90 postage
  • Dielectric flat mirror for 6" Newtonian reflector telescope

    Dielectric flat mirror for 6" Newtonian reflector telescope

    It is dielectric coated with a reflectivity rated at 98%. Surface accuracy is quoted at 1/8 wavefront (1/4 PV). FREE Auctiva Image Hosting. Save time & money with. Other images were obtained from NASAJPL-Caltech.
    £68.00
    £3.95 postage
  • Optical Hardware 1.25" 90 & 45 degree diagonal twin pack for telescope eyepiece

    Optical Hardware 1.25" 90 & 45 degree diagonal twin pack for telescope eyepiece

    The 90 degree diagonal is perfect for astronomical use. The 90 degree angle makes high up targets easy to. Also can be used for astronomy, but may have some chromatic aberration compared to the 90 degree mirror.
    £29.99
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  • 2" Mirror Diagonal with 1.25" Adapter & Comprssion Rings - New

    2" Mirror Diagonal with 1.25" Adapter & Comprssion Rings - New

    £43.99
    Click & Collect
    Free P&P
  • Diagonal Dielectric 99% Quartz 2"

    Diagonal Dielectric 99% Quartz 2"

    The ultimate high quality and optical performance from a 2" diagonal. All CNC machined from aircraft grade aluminium to ensure precise collimation and superior build quality. Included as standard is the 2" to 1.25" adaptor which is parfocal with compression ring fitting for precise eyepiece centering.
    £79.99
    Click & Collect
    £3.90 postage
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  • Revelation Diagonal Dielectric 99% Quartz LX

    Revelation Diagonal Dielectric 99% Quartz LX

    The ultimate high quality and optical performance from a 2" diagonal. All CNC machined from aircraft grade aluminium to ensure precise collimation and superior build quality. Included as standard is the 2" to 1.25" adaptor which is parfocal with compression ring fitting for precise eyepiece centering.
    £79.99
    Click & Collect
    £3.90 postage
  • Solomark Optics 90 Degree Star Diagonal Mirror - Great Accessory so You Can Sit

    Solomark Optics 90 Degree Star Diagonal Mirror - Great Accessory so You Can Sit

    The 1.25" 90 degree diagonal mirror ensures that the image is upright. This diagonal is suitable for viewing celestial bodies. Plastic Metal. - It is also good for night time astronomy applications, especially when you would like to match the orientation of the star field with "correct" star maps and charts.
    £30.75
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    Estimated delivery dateEst. delivery Wed, Dec 7
  • Baader 2" ClickLock Dielectric Diagonal Mirror

    Baader 2" ClickLock Dielectric Diagonal Mirror

    The highly accurate mirror is not hindered by its ultra reflective coatings as many similar models are, in some models up to 1/2 a wave accuracy is lost due to the layers of coatings, this is not the case with Baaders all-dielectric mirror coatings.
    £249.00
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    Free P&P
  • Explore Scientific Diagonal Mirror 2"

    Explore Scientific Diagonal Mirror 2"

    Diagonals provide a user-friendly observing position for refactors and cassegrain telescopes. The Explore Scientific Diagonal Mirror is precision machined from aluminium and contains carbon fibre parts. The large diameter of 2"(50,8mm) is ideal for modern wide angle eyepieces. The dielectric coating delivers a 99% reflectance and is very durable against environmental influences. A reducer to 1,25"(31,8mm) is included.
    £98.00
    Click & Collect
    £3.90 postage
  • Baader T-2 Maxbright Mirror Diagonal, London

    Baader T-2 Maxbright Mirror Diagonal, London

    £230.82
    Estimated delivery dateEst. delivery Wed, Dec 7
    Available for Best Offeror Best Offer
    FAST & FREE
  • TS-Optics 1.25" Star Diagonal dielectric - 99% reflectivity,TSZS1D

    TS-Optics 1.25" Star Diagonal dielectric - 99% reflectivity,TSZS1D

    TS Optics 1.25" diagonal mirror - 99% reflectivity - CNC metal body. The new 1.25" diagonal by TS optics stands for a high-quality alternative to those cheap parts. There's no vignetting over the full 1.25" field.
    £85.99
    From Germany
    £7.99 postage
  • 90-Deg Zenith Mirror Astronomical Accessory for 1.25" Telescope Eyepiece+trackco

    90-Deg Zenith Mirror Astronomical Accessory for 1.25" Telescope Eyepiece+trackco

    90-Deg Zenith Mirror for 1.25" Eyepiece. Adapter eyepiece: 1.25". Lens: Glass.
    £11.58
    From China
    Available for Best Offeror Best Offer
    Free P&P
  • Tele Vue Enhanced 90 degree 2in Aluminium Mirror Diagonal

    Tele Vue Enhanced 90 degree 2in Aluminium Mirror Diagonal

    The Enhanced Aluminum mirror coating provides a 96% reflective surface across all but the extreme ends of the visual spectrum. The enhanced coating provides a brighter image versus competing standard aluminum coatings. The final coating stage applies a tough overcoat to protect the aluminum. The diagonal body has the same features as the Tele Vue Everbrite and is machined from solid blocks of aluminium. This construction allows heavy accessories to be mounted without forcing the body to unscrew from the barrel. The diagonal features brass clamp ring and filter thread for 2" accessories. The Tele Vue Enhanced 90 degree 2" Aluminum diagonal is a good budget alternative, especially where a prism diagonal might otherwise be considered
    £167.95
    Click & Collect
    £5.95 postage
  • TS-Optics 1.25" Star Diagonal for Telescope,TSZS1

    TS-Optics 1.25" Star Diagonal for Telescope,TSZS1

    A star diagonal mirror is used for a comfortable viewing position. 1.25" Star Diagonal Mirror. -- The adaptation parts are made of metal. -- Eyepiece adaptation: 1.25" clamp.
    £29.99
    From Germany
    £7.99 postage
  • Black 2" 90-Deg 99% Dielectric Mirror Diagonal for Telescope w/1.25" Adapter

    Black 2" 90-Deg 99% Dielectric Mirror Diagonal for Telescope w/1.25" Adapter

    With a dielectric coating this diagonal gives 99% reflectivity this will enable the best possible light to reach your eyepiece. 1 x 2" 90-deg 99% Dielectric Mirror Diagonal. Mirror has a flat optical glass surface.
    £63.99
    From China
    Available for Best Offeror Best Offer
    Free P&P
  • Tele Vue 2" Everbright 90 degree SCT Diagonal

    Tele Vue 2" Everbright 90 degree SCT Diagonal

    This exotic, dielectric, nonmetallic coating is 99% reflective across the full visual spectrum, resulting in the "whitest," most natural image available. The coating is painstakingly applied to Pyrex with a surface accuracy of a 1/10 wave flatness.
    £255.95
    Click & Collect
    £5.95 postage
  • 2" 90-deg 99% Dielectric Mirror Diagonal for Refractor Telescope with adapter

    2" 90-deg 99% Dielectric Mirror Diagonal for Refractor Telescope with adapter

    It is also has a durable and rugged armor for years of exceptional performance. ---------------------------------------------------------------------------------------------------------------------------------------------------------reat Optical System.
    £86.08
    From China
    Free P&P
  • TS Optics SC 2" Star Diagonal , Mirror Diagonal for SCT Telescope, TSZSSC

    TS Optics SC 2" Star Diagonal , Mirror Diagonal for SCT Telescope, TSZSSC

    This is a very affordable star diagonal with an exceptional mechanical and optical quality within its price range. Even compared with many much more expensive star diagonals we couldn't see a difference in image quality.
    £79.99
    From Germany
    £7.99 postage
  • New 2 Inch 90-Deg Dielectric Mirror Diagonal for Telescope + 1.25" Adapter

    New 2 Inch 90-Deg Dielectric Mirror Diagonal for Telescope + 1.25" Adapter

    1 x 2" 90-deg Dielectric Mirror Diagonal. Excellent Quality Dielectric Diagonal. Provides a Comfortable 90 Degree View from your Refractor. Fits Standard 2" (50.8 mm) Diameter Focus Tubes. Color: Black.
    £52.99
    From China
    Available for Best Offeror Best Offer
    Free P&P
  • 2" Star Diagonal Quartz 99% for telescope, TSZS2Q

    2" Star Diagonal Quartz 99% for telescope, TSZS2Q

    TS-Optics 2" Star Diagonal Mirror - 99% Reflectivity. A high grade star diagonal mirror with a very precise mirror surface (approx. 1/12 lambda) for demanding users. Quartz is a particularly excellent mirror substrate for high precision diagonal mirrors.
    £152.99
    From Germany
    £7.99 postage
  • TS-Optics 2" Mirror Star Diagonal for Telescope 99% , TSZS2D

    TS-Optics 2" Mirror Star Diagonal for Telescope 99% , TSZS2D

    TS-Optics 2" (50,8mm) Star Diagonal Mirror - 99% Reflectivity. 99% reflectivity means more light and thus a brighter image. At the same time the dielectric coating is very strong and protects the mirror surface.
    £124.95
    From Germany
    £7.99 postage

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