Mirrors, Prisms & Holders

Telescopes Auction
Vixen Diagonal Prism,  for use with 1.25" Eyepieces #3675 (made in Japan)

Vixen Diagonal Prism, for use with 1.25" Eyepieces #3675 (made in Japan)

$56.00
8" telescope mirror and accessories

8" telescope mirror and accessories

$113.61
4" telescope mirror cell holder

4" telescope mirror cell holder

$5.00
12.0'' Telescope mirror blank

12.0'' Telescope mirror blank

$300.00
Mirror 6.0'' Diameter mirror blank

Mirror 6.0'' Diameter mirror blank

$100.00
Celestron 1.25" Star Diagonal # 94115

Celestron 1.25" Star Diagonal # 94115

$20.00
William Optics 1.25" 90-deg Erecting Prism Diagonal Helical Focusing M-P90

William Optics 1.25" 90-deg Erecting Prism Diagonal Helical Focusing M-P90

$69.00
American Educational Concave Parabolic Large Demonstration Mirror 40 5cm Diamet

American Educational Concave Parabolic Large Demonstration Mirror 40 5cm Diamet

$83.91
GSO Parabolic Primary Mirror - 12" f 4

GSO Parabolic Primary Mirror - 12" f 4

$675.00
GSO Parabolic Primary Mirror - 8" f 6

GSO Parabolic Primary Mirror - 8" f 6

$205.00
GSO 1.25" 90-deg 99% Dielectric Mirror Diagonal with Compression Ring - NEW

GSO 1.25" 90-deg 99% Dielectric Mirror Diagonal with Compression Ring - NEW

$71.00
2.5" Edmund telescope newtonian mirror  - very slight coating blem

2.5" Edmund telescope newtonian mirror - very slight coating blem

$4.95
William Optics 90 Degree 1.25" Erect Prism

William Optics 90 Degree 1.25" Erect Prism

$69.00
GSO 0.965"   1.25" 90-deg Hybrid 99% Dielectric Mirror Diagonal Compression Ring

GSO 0.965" 1.25" 90-deg Hybrid 99% Dielectric Mirror Diagonal Compression Ring

$73.00
REFRACTOR TELESCOPE 90 DEGREES DIAGONAL 1.25"

REFRACTOR TELESCOPE 90 DEGREES DIAGONAL 1.25"

$14.95
EYEPIECE TELESCOPE PRISM ROOF BEAM SPLITTER TANK LASER AIM OPTIC

EYEPIECE TELESCOPE PRISM ROOF BEAM SPLITTER TANK LASER AIM OPTIC

$93.00
Meade Series 4000 Eyepiece Moon Filter ND96 (0.9)

Meade Series 4000 Eyepiece Moon Filter ND96 (0.9)

$13.32
7x18 High-Definition Monocular Telescope Pocket Telescope Portable sight + Bag

7x18 High-Definition Monocular Telescope Pocket Telescope Portable sight + Bag

$19.99
2.5" Edmund telescope newtonian mirror  - very slight coating blem

2.5" Edmund telescope newtonian mirror - very slight coating blem

$3.95
NEW Orion 1.25" Dielectric Mirror Star Diagonal - 99 Percent Reflectivity 08880

NEW Orion 1.25" Dielectric Mirror Star Diagonal - 99 Percent Reflectivity 08880

$115.00
4.5" f 8 Primary Mirror

4.5" f 8 Primary Mirror

$125.00
Large Demonstration Mirror Educational Optics Concave Parabolic Diameter 40.5 cm

Large Demonstration Mirror Educational Optics Concave Parabolic Diameter 40.5 cm

$92.69
American Educational Concave Parabolic Large Demonstration Mirror,  40.5cm Diamet

American Educational Concave Parabolic Large Demonstration Mirror, 40.5cm Diamet

$91.89
Explore Scientific 99% Dielectric 2" Diagonal for Telescope # DD02-00CF

Explore Scientific 99% Dielectric 2" Diagonal for Telescope # DD02-00CF

$119.99
Telescope Secondary Mirror 3.1 inch

Telescope Secondary Mirror 3.1 inch

$159.00
16" f 4.5 Sandwich Parabolic Telescope Mirror

16" f 4.5 Sandwich Parabolic Telescope Mirror

$900.00
1.25" STAR DIAGONAL - PRISM TYPE - #7

1.25" STAR DIAGONAL - PRISM TYPE - #7

$28.99
GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for Refractor Telescope

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

$130.00
GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for SCT Telescope

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

$135.00
Lumicon 2" Enhanced Diagonal for Telescope # LD1015

Lumicon 2" Enhanced Diagonal for Telescope # LD1015

$208.95
Vintage Glass Parabolic Mirror,  14" Diameter,  8-9" Focal Length,  Great Shape!

Vintage Glass Parabolic Mirror, 14" Diameter, 8-9" Focal Length, Great Shape!

$100.00
Telescope PRIMARY MIRROR + CELL : 80mm

Telescope PRIMARY MIRROR + CELL : 80mm

$24.99
Extra Lg NEW 4 VANE SECONDARY MIRROR+CELL FOR REFLECTOR TELESCOPE  51mm X 35mm

Extra Lg NEW 4 VANE SECONDARY MIRROR+CELL FOR REFLECTOR TELESCOPE 51mm X 35mm

$29.99
NEW ON OFF SWITCH 2X FLIP BARLOW LENS+ ERECTING DIAGONAL PRISM 1.25" FORMAT-30MM

NEW ON OFF SWITCH 2X FLIP BARLOW LENS+ ERECTING DIAGONAL PRISM 1.25" FORMAT-30MM

$59.99
Celestron 2" diagonal  93519 SCT or refractors

Celestron 2" diagonal 93519 SCT or refractors

$52.88
Baader 2" 90° Erecting Amici Prism Diagonal w  1.25" Adapter # AMICI-2 2956152

Baader 2" 90° Erecting Amici Prism Diagonal w 1.25" Adapter # AMICI-2 2956152

$300.00
Baader T-2 90° Prism Star Diagonal Body with Carl Zeiss Prism # T2-01B 2456095

Baader T-2 90° Prism Star Diagonal Body with Carl Zeiss Prism # T2-01B 2456095

$262.00
Tele Vue 2" 90-deg Enhanced Aluminum Star Diagonal # DSC-8001

Tele Vue 2" 90-deg Enhanced Aluminum Star Diagonal # DSC-8001

$220.00
GSO 1.25" 90 degree Erect Image Amici Prism Diagonal # PD90

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

$32.00
GSO 1.25" 90-deg Mirror Star Diagonal for Refractor Telescope # GSST

GSO 1.25" 90-deg Mirror Star Diagonal for Refractor Telescope # GSST

$31.00
GSO 1.25" 45 degree Erect Image Amici Prism Diagonal # PD45

GSO 1.25" 45 degree Erect Image Amici Prism Diagonal # PD45

$32.00
GSO 0.965"   1.25" 90-deg Hybrid Mirror Star Diagonal

GSO 0.965" 1.25" 90-deg Hybrid Mirror Star Diagonal

$33.00
GSO 0.965"   1.25" 45-deg Hybrid Erect-Image Prism Diagonal

GSO 0.965" 1.25" 45-deg Hybrid Erect-Image Prism Diagonal

$34.00
GSO 0.965"   1.25" 90-deg Hybrid Erect-Image Prism Diagonal

GSO 0.965" 1.25" 90-deg Hybrid Erect-Image Prism Diagonal

$34.00
Telescope Spherical PRIMARY MIRROR : 160mm Diameter

Telescope Spherical PRIMARY MIRROR : 160mm Diameter

$69.99
Telescope 80mm PRIMARY + 31mm X 22mm SECONDARY - MIRRORS + CELLS - SET

Telescope 80mm PRIMARY + 31mm X 22mm SECONDARY - MIRRORS + CELLS - SET

$19.99
Jarrell-Ash  8" Parabolic Mirror  F 1.5 m   3 cm Thick   New Coating

Jarrell-Ash 8" Parabolic Mirror F 1.5 m 3 cm Thick New Coating

$225.00
Ship's salvaged Porthole plate Glass for LARGE telescope mirrors

Ship's salvaged Porthole plate Glass for LARGE telescope mirrors

$49.95
PERISCOPE EYEPIECE TELESCOPE PRISM BEAM SPLITTER TANK LASER AIM OPTIC 240mm

PERISCOPE EYEPIECE TELESCOPE PRISM BEAM SPLITTER TANK LASER AIM OPTIC 240mm

$65.00
William Optics 1.25" 45 degree Erecting Prism Diagonal # D-EP125

William Optics 1.25" 45 degree Erecting Prism Diagonal # D-EP125

$78.00
American Educational Concave Spherical Glass Mirror  50mm Diameter  15cm Focal L

American Educational Concave Spherical Glass Mirror 50mm Diameter 15cm Focal L

$23.65
American Educational Concave Spherical Silver-Backed Glass Mirror with Ground Ed

American Educational Concave Spherical Silver-Backed Glass Mirror with Ground Ed

$20.09
41IN 1METER CERVIT ULE CERAMIC F 9 SQUARE TELESCOPE MIRROR MOUNT ZERODUR BLANK

41IN 1METER CERVIT ULE CERAMIC F 9 SQUARE TELESCOPE MIRROR MOUNT ZERODUR BLANK

$25,000.00
Mirror Blank 6 inch - Grind a 6" Telescope Mirror - 6.1" actual Diameter!

Mirror Blank 6 inch - Grind a 6" Telescope Mirror - 6.1" actual Diameter!

$32.00
Telescope Secondary Mirror 2.76 inch

Telescope Secondary Mirror 2.76 inch

$139.00
24x17x5in OPTICAL FLAT Lightweight Telescope Autocollimation Mirror Test Flat UV

24x17x5in OPTICAL FLAT Lightweight Telescope Autocollimation Mirror Test Flat UV

$5,000.00
LOT OF 6 NEW united lens unitedlens telescope mirror blanks UL-23 8.00" 1.375"

LOT OF 6 NEW united lens unitedlens telescope mirror blanks UL-23 8.00" 1.375"

$550.00
PERISCOPE EYEPIECE TELESCOPE PRISM BEAM SPLITTER 45 DEGREE MIRROR

PERISCOPE EYEPIECE TELESCOPE PRISM BEAM SPLITTER 45 DEGREE MIRROR

$38.00
18x12.5x3in Fused Silica Quartz Optical Flat Heliostat Telescope Mirror UV 1 20?

18x12.5x3in Fused Silica Quartz Optical Flat Heliostat Telescope Mirror UV 1 20?

$5,000.00
Meade Series 5000 2" Enhanced Dielectric Diagonal with SCT Adapter # 07680

Meade Series 5000 2" Enhanced Dielectric Diagonal with SCT Adapter # 07680

$129.95
Celestron 94112A Erect Image Prism for Refractor NEW!!

Celestron 94112A Erect Image Prism for Refractor NEW!!

$34.95
Baader 1.25" 45° Amici Prism Diagonal # AMICI-45 2956150

Baader 1.25" 45° Amici Prism Diagonal # AMICI-45 2956150

$93.00
1.25" inch partial telescope eyepiece mirror diagonal

1.25" inch partial telescope eyepiece mirror diagonal

$3.95
William Optics 90 Degree Optics (1002306-135)

William Optics 90 Degree Optics (1002306-135)

$74.99
3PC Telescopic Magnetic Pick Up Inspection Mirror Piercing Pin for Inspecting

3PC Telescopic Magnetic Pick Up Inspection Mirror Piercing Pin for Inspecting

$7.48
Arcturus Dielectric Mirror Diagonal 2 Inch

Arcturus Dielectric Mirror Diagonal 2 Inch

$119.95
GSO Elliptical Secondary Mirror - 28mm

GSO Elliptical Secondary Mirror - 28mm

$30.00
GSO Elliptical Secondary Mirror - 88mm

GSO Elliptical Secondary Mirror - 88mm

$130.00
GSO Parabolic Primary Mirror - 6" f 6

GSO Parabolic Primary Mirror - 6" f 6

$155.00
GSO Parabolic Primary Mirror - 6" f 8

GSO Parabolic Primary Mirror - 6" f 8

$115.00
GSO Parabolic Primary Mirror - 8" f 4

GSO Parabolic Primary Mirror - 8" f 4

$230.00
GSO Elliptical Secondary Mirror - 50mm

GSO Elliptical Secondary Mirror - 50mm

$50.00
15x10x2in BK7 Glass Optical Flat Zygo Double sided transmission Flat 1 10?

15x10x2in BK7 Glass Optical Flat Zygo Double sided transmission Flat 1 10?

$1,500.00
15x10x2in BK7 Glass Optical Flat Zygo Double sided 1 10? but with CRACK 25lb

15x10x2in BK7 Glass Optical Flat Zygo Double sided 1 10? but with CRACK 25lb

$750.00
American Educational Concave and Convex Spherical Glass Mirror,  7.5cm New

American Educational Concave and Convex Spherical Glass Mirror, 7.5cm New

$30.17
GSO Parabolic Primary Mirror - 10" f 5

GSO Parabolic Primary Mirror - 10" f 5

$290.00
GSO Parabolic Primary Mirror - 6" f 4

GSO Parabolic Primary Mirror - 6" f 4

$215.00
GSO Parabolic Primary Mirror - 6" f 5

GSO Parabolic Primary Mirror - 6" f 5

$145.00
1.5 meter f 4.9 Zerodur Mirror with Mount Telescope Primary Parabolic Collimator

1.5 meter f 4.9 Zerodur Mirror with Mount Telescope Primary Parabolic Collimator

$78,500.00
William Optics 1.25" 90-deg Erecting Prism Diagonal w  Helical Focusing D-EP90-1

William Optics 1.25" 90-deg Erecting Prism Diagonal w Helical Focusing D-EP90-1

$71.00
GSO Elliptical Secondary Mirror - 62.5mm

GSO Elliptical Secondary Mirror - 62.5mm

$60.00
GSO Elliptical Secondary Mirror - 68mm

GSO Elliptical Secondary Mirror - 68mm

$67.00
[EXCOA] optical parabolic 8inch & sec 2inch mirror set for reflector

[EXCOA] optical parabolic 8inch & sec 2inch mirror set for reflector

$249.99
William Optics NEW 2" 45 degree Erect Prism

William Optics NEW 2" 45 degree Erect Prism

$188.00
Orion 8763 1.25-Inch Prism Star Telescope Diagonal New

Orion 8763 1.25-Inch Prism Star Telescope Diagonal New

$56.68
Tele Vue 1.25" 45-deg Erect Image Prism Diagonal # AMI-0011

Tele Vue 1.25" 45-deg Erect Image Prism Diagonal # AMI-0011

$66.00
GSO 2" 90 deg Mirror Diagonal for Refractor Telescope

GSO 2" 90 deg Mirror Diagonal for Refractor Telescope

$72.00
GSO 2" 90-deg 99% Dielectric Mirror Diagonal for SCT Telescope

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

$110.00
Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

$130.66
Meade #933 45 degree erecting Prism #07220 - NEW -

Meade #933 45 degree erecting Prism #07220 - NEW -

$49.95
Orion 1.25" Dielectric Mirror Diagonal #08880 ****Unused

Orion 1.25" Dielectric Mirror Diagonal #08880 ****Unused

$80.00
Bushnell 1.25" Erecting Prism 780103

Bushnell 1.25" Erecting Prism 780103

$59.99
Bushnell 1.25" Erecting Prism 780103

Bushnell 1.25" Erecting Prism 780103

$53.99
10X50 Hand-held Spotting Double-focusing Telescope Bird Mirror

10X50 Hand-held Spotting Double-focusing Telescope Bird Mirror

$28.99
Edmund Optics Custom Optical Flat,  Zerodur Gold Coat Elliptical 5" x 6.75" Bevel

Edmund Optics Custom Optical Flat, Zerodur Gold Coat Elliptical 5" x 6.75" Bevel

$399.99
Meade roof prism set for making upright image eyepieces,  telescope experiments,

Meade roof prism set for making upright image eyepieces, telescope experiments,

$5.95
GSO Elliptical Secondary Mirror - 74mm

GSO Elliptical Secondary Mirror - 74mm

$82.00
Baader 2" Maxbright Dielectric Mirror Diagonal # MAX-2 2406210

Baader 2" Maxbright Dielectric Mirror Diagonal # MAX-2 2406210

$439.00
Front Lens X9TV Objective Mirror 7" Telephoto Night Vision Starlight Telescope

Front Lens X9TV Objective Mirror 7" Telephoto Night Vision Starlight Telescope

$450.00
TELESCOPE SECONDARY MIRROR 2.7 inch

TELESCOPE SECONDARY MIRROR 2.7 inch

$77.95