Mirrors, Prisms & Holders

Telescopes Auction
William Optics 1.25" 45° Erect Prism - D-EP125

William Optics 1.25" 45° Erect Prism - D-EP125

$78.00
Vixen Optics Eyepiece Adapter for Flip Mirror

Vixen Optics Eyepiece Adapter for Flip Mirror

$39.99
NEW Orion 2" Mirror Diagonal SCT - 08851 FREE SHIPPING

NEW Orion 2" Mirror Diagonal SCT - 08851 FREE SHIPPING

$45.00
GSO Elliptical Secondary Mirror - 80mm

GSO Elliptical Secondary Mirror - 80mm

$100.00
CELESTRON #94112-A ERECT IMAGE PRISM FOR REFRACTOR SCOPE 1.25 INCH

CELESTRON #94112-A ERECT IMAGE PRISM FOR REFRACTOR SCOPE 1.25 INCH

$35.00
Orion 8850 2-Inch Refractor Telescope Mirror Diagonal

Orion 8850 2-Inch Refractor Telescope Mirror Diagonal

$133.87
Orion 8879 1.25-Inch Enhanced Mirror Star Telescope Diagonal

Orion 8879 1.25-Inch Enhanced Mirror Star Telescope Diagonal

$122.19
90 Degree Amici Prism Diagonal,  Correct View,  1.25 inch,  Free Shipping!

90 Degree Amici Prism Diagonal, Correct View, 1.25 inch, Free Shipping!

$29.00
Meade #60  T-Adapter  Japan

Meade #60 T-Adapter Japan

$23.00
Baader T-2 Maxbright Dielectric Mirror Diagonal Body # MAX-1 2456100

Baader T-2 Maxbright Dielectric Mirror Diagonal Body # MAX-1 2456100

$277.00
Meade Instruments Corp. Primary Surface Mirror,  GIANT 16" Diameter

Meade Instruments Corp. Primary Surface Mirror, GIANT 16" Diameter

$1,199.00
Meade Diagonal Prism #918A

Meade Diagonal Prism #918A

$25.00
GSO Parabolic Primary Mirror - 10" f 4

GSO Parabolic Primary Mirror - 10" f 4

$480.00
GSO Parabolic Primary Mirror - 8" f 5

GSO Parabolic Primary Mirror - 8" f 5

$220.00
20" SCHMIDT CASSEGRAIN TELESCOPE 25" PRIMARY 9.5IN SECONDARY MIRROR SET RC DK

20" SCHMIDT CASSEGRAIN TELESCOPE 25" PRIMARY 9.5IN SECONDARY MIRROR SET RC DK

$7,500.00
2.5" Edmund telescope newtonian mirror  - very slight coating blem

2.5" Edmund telescope newtonian mirror - very slight coating blem

$3.95
American Educational Concave and Convex Spherical Glass Mirror  7.5cm Diameter

American Educational Concave and Convex Spherical Glass Mirror 7.5cm Diameter

$29.98
Orion 2" Refractor Telescope Mirror Diagonal - 08850 FREE SHIPPING

Orion 2" Refractor Telescope Mirror Diagonal - 08850 FREE SHIPPING

$59.99
Meade Series 4000 #126 2X Short-Focus Barlow Lens (1.25") #07273 - New

Meade Series 4000 #126 2X Short-Focus Barlow Lens (1.25") #07273 - New

$39.99
Meade Series 4000 #126 3X Short-Focus Barlow Lens (1.25") #07278 - New

Meade Series 4000 #126 3X Short-Focus Barlow Lens (1.25") #07278 - New

$39.99
Hubble Hyperbolic Newtonian Astrograph Optics,  HNA14

Hubble Hyperbolic Newtonian Astrograph Optics, HNA14

$1,650.00
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
Telescope PRIMARY MIRROR + CELL : 80mm

Telescope PRIMARY MIRROR + CELL : 80mm

$24.99
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

$85.32
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
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
Meade 2" Diagonal

Meade 2" Diagonal

$35.00
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
New Zambuto 10" F 6 Primary Telescope Mirror with(Certification) in Original Box

New Zambuto 10" F 6 Primary Telescope Mirror with(Certification) in Original Box

$1,499.00
ProtoStar Telescope Secondary Mirror 2.14 ULS Quartz with 2.14x12.0 Curved Mount

ProtoStar Telescope Secondary Mirror 2.14 ULS Quartz with 2.14x12.0 Curved Mount

$249.00
REFRACTOR TELESCOPE 90 DEGREES DIAGONAL 1.25"

REFRACTOR TELESCOPE 90 DEGREES DIAGONAL 1.25"

$14.95
Newport ValuMax Right-Angle Prism 12.7 mm BK 7 Alum Coated Hypo P031036

Newport ValuMax Right-Angle Prism 12.7 mm BK 7 Alum Coated Hypo P031036

$60.00
Rainbow made in japan CCD camera lens x2

Rainbow made in japan CCD camera lens x2

$50.00
Penta + Roof Optical Prism Laser Optics Beam Splitter Cube night vision

Penta + Roof Optical Prism Laser Optics Beam Splitter Cube night vision

$79.99
Meade Series 4000 Eyepiece Moon Filter ND96 (0.9)

Meade Series 4000 Eyepiece Moon Filter ND96 (0.9)

$15.32
7x18 High-Definition Monocular Telescope Pocket Telescope Portable sight + Bag

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

$19.99
15" 38cm HUGE CONCAVE SPHERICAL CURVED GLASS MIRROR DIY OPTIC LIGHT LASER CINEMA

15" 38cm HUGE CONCAVE SPHERICAL CURVED GLASS MIRROR DIY OPTIC LIGHT LASER CINEMA

$57.23
Meade roof prism set for eyepiece,  telescope experiment

Meade roof prism set for eyepiece, telescope experiment

$4.95
Telescope 80mm PRIMARY + 31mm X 22mm SECONDARY - MIRRORS + CELLS - SET

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

$19.99
NEW Celestron AstroMaster Accessory Kit Telescope Aperture Lens Mirror

NEW Celestron AstroMaster Accessory Kit Telescope Aperture Lens Mirror

$62.87
GSO 2" 90-deg 99% Dielectric Mirror Diagonal for SCT Telescope

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

$110.00
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
Commander Binoculars Optical Prism Part

Commander Binoculars Optical Prism Part

$49.99
Telescope Spherical PRIMARY MIRROR : 160mm Diameter

Telescope Spherical PRIMARY MIRROR : 160mm Diameter

$69.99
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
William Optics 90 Degree Optics (1002306-135)

William Optics 90 Degree Optics (1002306-135)

$89.99
Tele Vue 2" 90-deg Enhanced Aluminum Star Diagonal # DSC-8001

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

$220.00
Tele Vue 1.25" 60-deg Everbrite Erect Image Diagonal # DPC-6012

Tele Vue 1.25" 60-deg Everbrite Erect Image Diagonal # DPC-6012

$240.00
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
NEW Celestron PowerSeeker Accessory Kit Telescope Aperture Lens Mirror

NEW Celestron PowerSeeker Accessory Kit Telescope Aperture Lens Mirror

$49.87
Half BINOCULARS eyepiece lens prism mil spec for parts Part2go

Half BINOCULARS eyepiece lens prism mil spec for parts Part2go

$50.00
Celestron 94112-A Erect Image Prism for Refractor and Schmidt Cassegrain

Celestron 94112-A Erect Image Prism for Refractor and Schmidt Cassegrain

$50.71
Ullman LED Lighted Telescoping Inspection Mirror,  2-3 8" dia.,  HTC-2LT

Ullman LED Lighted Telescoping Inspection Mirror, 2-3 8" dia., HTC-2LT

$12.75
Meade #918A 1.25-Inch Diagonal Prism

Meade #918A 1.25-Inch Diagonal Prism

$37.27
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
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
Telescope PRIMARY MIRROR : 135mm

Telescope PRIMARY MIRROR : 135mm

$59.99
Ullman HTS-2 High Tech Telescoping Inspection Mirror

Ullman HTS-2 High Tech Telescoping Inspection Mirror

$11.49
American Educational Concave Spherical Glass Mirror  50mm Diameter  15cm Focal L

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

$22.97
American Educational Concave Spherical Silver-Backed Glass Mirror with Ground Ed

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

$19.55
Keiv 45 Degree Prism with Modified Eyepiece

Keiv 45 Degree Prism with Modified Eyepiece

$19.00
37IN DIA FUSED SILICA OPTICAL FLAT W  AL MOUNT QUARTZ GLASS TELESCOPE BLANK

37IN DIA FUSED SILICA OPTICAL FLAT W AL MOUNT QUARTZ GLASS TELESCOPE BLANK

$35,000.00
34IN DIA 5.5IN THICK FUSED SILICA F 2.9 MIRROR LENS QUARTZ GLASS TELESCOPE BLANK

34IN DIA 5.5IN THICK FUSED SILICA F 2.9 MIRROR LENS QUARTZ GLASS TELESCOPE BLANK

$20,000.00
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!

$29.00
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

$45.00
Meade 07217 No.928 45-Degree Erecting Image Diagonal Prism Telescope Eyepiece,

Meade 07217 No.928 45-Degree Erecting Image Diagonal Prism Telescope Eyepiece,

$67.03
Meade Series 5000 2" Enhanced Dielectric Diagonal with SCT Adapter # 07680

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

$149.00
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
Meade 07680 Series 5000 2 in Enhanced Dielectric Diagonal Mirror W

Meade 07680 Series 5000 2 in Enhanced Dielectric Diagonal Mirror W

$214.99
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
Nice 11? mirror optics looks military

Nice 11? mirror optics looks military

$625.00
Nice 8? Concave mirror optics looks military

Nice 8? Concave mirror optics looks military

$255.00
3PC Telescopic Magnetic Pick Up Inspection Mirror Piercing Pin for Inspecting

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

$7.48
Meade 07210 No.932 45-Degree Erecting Image Prism Telescope Eyepiece,  1.25-in

Meade 07210 No.932 45-Degree Erecting Image Prism Telescope Eyepiece, 1.25-in

$81.84
Tele Vue 2" Everbrite Diagonal - TV Dielectric Astronomical Mirror Diagonal

Tele Vue 2" Everbrite Diagonal - TV Dielectric Astronomical Mirror Diagonal

$175.00
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
15x10x2in Corning ULE Optical Glass Blank 23.2lb ultra low expansion

15x10x2in Corning ULE Optical Glass Blank 23.2lb ultra low expansion

$650.00
Meade  Meade 62 T-Adapter #07352 - New

Meade Meade 62 T-Adapter #07352 - New

$29.99
Meade #928 Image 45 Degree Erect-Image Diagonal Prism (1.25")  - 07217 - New

Meade #928 Image 45 Degree Erect-Image Diagonal Prism (1.25") - 07217 - New

$39.99
GSO Parabolic Primary Mirror - 10" f 5

GSO Parabolic Primary Mirror - 10" f 5

$290.00