Results in Telescope Mirrors & Prisms

1-25 of 260

  • 6" 150mm f/9.3 Long Tube Telescope Spherical Mirror, 1-3/8" Secondary F=1400mm

    6" 150mm f/9.3 Long Tube Telescope Spherical Mirror, 1-3/8" Secondary F=1400mm

    You end up with a short tube (about 2 feet long) 6" scope tube with an effective focal ratio of 9.3 or 1400MM. 150mm 6" F9.3 Short Tube Spherical Mirror Kit with BARLOW LENS - Great Value! NOTE: Spherical mirrors can be pulled into a parabolic curve by a method known as flexing.
    C $66.43
    Top Rated Seller
    C $32.58 shipping
    From United States
    52 watching52 watching
  • American Educational Concave Parabolic Large Demonstration Mirror, 40.5cm 68cm

    American Educational Concave Parabolic Large Demonstration Mirror, 40.5cm 68cm

    This mirror is concave and parabolic to generate both real and virtual images from real objects. The parabolic shape focuses parallel rays to a single point. The mirror has a 68cm focal length and is 40.5cm (16") in diameter.
    C $61.75
    Top Rated Seller
    C $12.89 shipping
    From United States
    19 watching19 watching
  • Telescope PRIMARY MIRROR : 160mm

    Telescope PRIMARY MIRROR : 160mm

    Plate Glass FL (focal length): 1300mm. Pre -Set Collimation Dot. High Reflectivity.
    C $93.09
    Top Rated Seller
    C $13.27 shipping
    From United States
  • 4.5" 114mm f/8 Long Tube Telescope Spherical Mirror & 1" Secondary F=900mm -BLEM

    4.5" 114mm f/8 Long Tube Telescope Spherical Mirror & 1" Secondary F=900mm -BLEM

    This is what you get:4.5" f/8 spherical mirror, focal length = 900mm, coated and ready to mount (holder is not included). NOTE: Spherical mirrors can be pulled into a parabolic curve by a method known as flexing.
    C $19.88
    Top Rated Seller
    C $20.61 shipping
    From United States
  • William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror Diagonal

    William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror Diagonal

    Dielectric coating allows 99% reflectivity. Introducing the New William Optics 2015 Dura-Bright diagonal - a dramatic step forward in the evolution of mirror diagonals! The WO 2" Dura-Bright Diagonal was designed with several unique features to provide optimum performance and years of use.
    C $184.87
    Top Rated Seller
    10 watching10 watching
    From United States
  • Spherical Telescope PRIMARY MIRROR : 135mm

    Spherical Telescope PRIMARY MIRROR : 135mm

    135mm Diameter. Plate Glass. Diffraction Limited L4 (1/4 wave in Sodium Light).
    C $79.79
    Top Rated Seller
    C $13.11 shipping
    From United States
  • Tele Vue 1.25" 90-deg Everbrite Star Diagonal # DPC-1250

    Tele Vue 1.25" 90-deg Everbrite Star Diagonal # DPC-1250

    We are not experts in any given field. We want you to be confident when purchasing. Upon checkout, there there is a handling fee.
    C $180.87
    Top Rated Seller
    Available for best offeror Best Offer
    From United States
  • GSO 12" f/5 Parabolic Primary and 70mm Secondary Mirror Set for Telescope

    GSO 12" f/5 Parabolic Primary and 70mm Secondary Mirror Set for Telescope

    All mirrors have a reflective aluminum coating with a reflectivity of 92-93%. The aluminum coating is protected by a silicon oxide (SiO2) over-coating. GSO's elliptical flat mirrors have the same high quality as their parabolic primary mirrors.
    C $704.90
    Top Rated Seller
    6 watching6 watching
    From United States
  • 8 INCH TELESCOPE MIRROR BLANK Borosilicate ( Pyrex )

    8 INCH TELESCOPE MIRROR BLANK Borosilicate ( Pyrex )

     I have a few 8 inch Borosilicate mirror blanks from a government lab. High quality and appear to be very flat and very parallel. They are 1 1/4 inch thick.
    C $131.67
    From United States
    16 watching16 watching
  • GSO 16" f/4.5 Parabolic Primary and 88mm Secondary Mirror Set for Telescope

    GSO 16" f/4.5 Parabolic Primary and 88mm Secondary Mirror Set for Telescope

    Users of these scopes know the excellent quality of the optics included, and they have a well-deserved reputation for being the finest mirrors in their price range. This very smooth mirror surface results in excellent optical performance with practically no light scatter.
    C $1,702.40
    Top Rated Seller
    From United States
  • 2Inch 90-deg Dielectric Mirror Diagonal for Astronomical Telescope High Quality

    2Inch 90-deg Dielectric Mirror Diagonal for Astronomical Telescope High Quality

    Excellent Quality Dielectric Diagonal. 1 x 2" 90-deg Dielectric Mirror Diagonal. High glossy finish appearance. Fits Standard 2" (50.8 mm) Diameter Focus Tubes. Provides a Comfortable 90 Degree View from your Refractor.
    C $66.95
    Top Rated Seller
    Was: Previous PriceC $70.48
    From China
    Available for best offeror Best Offer
    C $1.33 shipping
  • 10 Inch telescope mirror-cell project

    10 Inch telescope mirror-cell project

    Came with a bunch of gear start of an aluminum mirror cell. About 9.5 diameter so it's a little small for a 10 or a little big for an 8 but I would believe the intent is for a 10. As shown needs some love to finish.
    C $33.18
    From United States
  • GSO 1.25" 90 degree Erect Image Amici Prism Diagonal # PD90

    GSO 1.25" 90 degree Erect Image Amici Prism Diagonal # PD90

    It produces an image that is oriented properly, which means that the image is upright and correct from left to right (i.e., a correct, non-inverted, non-reversed image). The clear aperture is 20.0mm.
    C $35.91
    Top Rated Seller
    From United States
  • BRAND NEW 120mm SPHERICAL PRIMARY MIRROR FOR ASTRONOMICAL REFLECTOR TELESCOPE

    BRAND NEW 120mm SPHERICAL PRIMARY MIRROR FOR ASTRONOMICAL REFLECTOR TELESCOPE

    120mm Diameter. Resolving Power(arc seconds).97 FL (focal length) 1000mm Pre Set Collimation Dot hand Crafted and Ronchi Tested for high Reflectivity. Plate Glass. Diffraction Limited L4 (1/4 wave in Sodium Light).
    C $53.19
    Top Rated Seller
    C $12.78 shipping
    From United States
  • D= 114mm Parabolic Primary + 35mm Secondary Mirror Set for Telescope #Z951 ZY

    D= 114mm Parabolic Primary + 35mm Secondary Mirror Set for Telescope #Z951 ZY

    Parabolic Primary Mirror - 114mm. Diameter =114mm. Focal length=500mm. Parabolic Primary Mirror thickness: 14mm. Elliptical Secondary Mirror - 35mm (minor axis diameter). Elliptical Secondary Mirror thickness: 8mm.
    C $93.09
    Top Rated Seller
    C $11.97 shipping
    From China
  • Celestron 2" diagonal  93519 SCT or refractors

    Celestron 2" diagonal 93519 SCT or refractors

    C $69.00
    Top Rated Seller
    C $23.94 shipping
    From United States
  • GSO Parabolic Primary Mirror - 6" f/8

    GSO Parabolic Primary Mirror - 6" f/8

    Users of these scopes know the excellent quality of the optics included, and they have a well-deserved reputation for being the finest mirrors in their price range. This very smooth mirror surface results in excellent optical performance with practically no light scatter.
    C $140.98
    Top Rated Seller
    From United States
  • 8 INCH TELESCOPE MIRROR BLANK Borosilicate? Pyrex? Plate Glass? Optic  8"

    8 INCH TELESCOPE MIRROR BLANK Borosilicate? Pyrex? Plate Glass? Optic 8"

    (diameter), ~.
    C $112.37
    Top Rated Seller
    Available for best offeror Best Offer
    From United States
  • Never Used 17.5" Coulter Mirror and 4.25" Secondary Mirror Set FOR SALE

    Never Used 17.5" Coulter Mirror and 4.25" Secondary Mirror Set FOR SALE

    Coatings are still in good condition. Mirror is a F 4.5 with a focal length of 78.7.
    C $1,995.00
    From United States
    Available for best offeror Best Offer
  • GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for Refractor Telescope

    GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for Refractor Telescope

    GSO's 2" refractor diagonal features dielectric coatings with 99% reflectivity across the visible spectrum and a 1/12 wave quartz mirror. The all metal diagonal body is CNC machined. Dielectric coatings are more durable than regular or enhanced aluminum coatings, so you will enjoy years of excellent performance from this product.
    C $155.61
    Top Rated Seller
    C $30.96 shipping
    From United States
  • 16.2" Dia. x3.5" Telescope Optics Optical Blank Mirror Glass Pyrex Borosilicate.

    16.2" Dia. x3.5" Telescope Optics Optical Blank Mirror Glass Pyrex Borosilicate.

    16.2" Dia. x 3.5" Telescope Optics Optical Blank Mirror Glass Pyrex Borosilicate This was bought in the 1950's and has curvature. It is located in the Mirror Lab of the St Petersburg Astronomy Club. Pickup saves on  shipping. This may take up to 5 business days to ship. Please ask question.
    C $1,795.50
    Top Rated Seller
    Available for best offeror Best Offer
    From United States
  • William Optics 2" 99% Dura Bright RotoLock Mirror Diagonal for SCTs

    William Optics 2" 99% Dura Bright RotoLock Mirror Diagonal for SCTs

    Introducing the New William Optics 2015 Dura-Bright diagonal with RotoLock # D-DIG2D-ROTO-SCT - a dramatic step forward in the evolution of mirror diagonals! This diagonal combines William Optics' excellent 2" Dura-Bright diagonal with their new 2" RotoLock eyepiece holder.
    C $304.57
    Top Rated Seller
    Only 1 left!Only 1 left!
    From United States
  • Telescope Spherical PRIMARY MIRROR + Heavy Duty Metal CELL : 160mm

    Telescope Spherical PRIMARY MIRROR + Heavy Duty Metal CELL : 160mm

    160mm: . 72 Resolving Power(arc seconds). Diffraction Limited Optics (1/4 wave in Sodium light). This Primary mirror was displayed at a trade show indoors behind glass where it was untouched and protected from dust.
    C $79.79
    Top Rated Seller
    C $13.11 shipping
    From United States
  • Astromania 1.25" Astrophotography Telescope Flip Mirror

    Astromania 1.25" Astrophotography Telescope Flip Mirror

    Astromania 1.25" astrophotography mirror. Helps you switch between an eyepiece and camera without having to recenter the object in your field of view.
    C $132.99
    Top Rated Seller
    From United States
  • GSO Parabolic Primary Mirror - 16" f/4.5

    GSO Parabolic Primary Mirror - 16" f/4.5

    Users of these scopes know the excellent quality of the optics included, and they have a well-deserved reputation for being the finest mirrors in their price range. This very smooth mirror surface results in excellent optical performance with practically no light scatter.
    C $1,558.76
    Top Rated Seller
    From United States