Mirrors, Prisms & Holders

Telescopes Auction
William Optics 2" 45 degree Erecting Prism Diagonal for Telescope "Excel" 80323

William Optics 2" 45 degree Erecting Prism Diagonal for Telescope "Excel" 80323

$115.99
Steinheil,  large zenith prism,  refractor telescope,  + -1880

Steinheil, large zenith prism, refractor telescope, + -1880

$370.00
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

$1,420.00
Meade 07175-02 26mm Super Plossl Series 4000 # 0717502

Meade 07175-02 26mm Super Plossl Series 4000 # 0717502

$34.99
1.25" STAR DIAGONAL - PRISM TYPE - #7

1.25" STAR DIAGONAL - PRISM TYPE - #7

$28.99
Meade 07730 Series 5000 HD-60 4.5-Millimeter Eyepiece (Black)

Meade 07730 Series 5000 HD-60 4.5-Millimeter Eyepiece (Black)

$89.00
Meade 07734 Series 5000 1.25-Inch HD-60 18-Millimeter Eyepiece (Black)

Meade 07734 Series 5000 1.25-Inch HD-60 18-Millimeter Eyepiece (Black)

$89.00
Explore Scientific 99% Dielectric 2" Diagonal for Telescope # DD02-00CF

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

$119.99
Meade 07741 Series 5000 1.25-Inch Xtreme Wide Angle 8.8-mm Eyepiece # 07741

Meade 07741 Series 5000 1.25-Inch Xtreme Wide Angle 8.8-mm Eyepiece # 07741

$129.00
Meade 07356 SLR 1.25-Inch Basic Camera Adapter for Refractor and Reflector Tele.

Meade 07356 SLR 1.25-Inch Basic Camera Adapter for Refractor and Reflector Tele.

$32.95
GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for SCT Telescope

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

$132.00
Meade 8" Equatorial Wedge # 07002 - New

Meade 8" Equatorial Wedge # 07002 - New

$299.00
Orion 8763 1.25-inch Prism Star Telescope Diagonal

Orion 8763 1.25-inch Prism Star Telescope Diagonal

$54.17
Telescope Mirror 12.5"

Telescope Mirror 12.5"

$600.00
Meade Telescope 45° Erecting Prism.

Meade Telescope 45° Erecting Prism.

$29.00
8" Optical Flat

8" Optical Flat

$250.00
$400.00
Tele Vue 2" 90-deg Enhanced Aluminum Star Diagonal # DSC-8001

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

$220.00
Tele Vue 1.25" 90-deg Enhanced Aluminum Star Diagonal # DSC-0125

Tele Vue 1.25" 90-deg Enhanced Aluminum Star Diagonal # DSC-0125

$134.00
Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

$110.68
Orion 8850 2-Inch Refractor Telescope Mirror Diagonal

Orion 8850 2-Inch Refractor Telescope Mirror Diagonal

$110.08
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
37IN DIA BK7 OPTICAL FLAT AL MOUNT GLASS TELESCOPE MIRROR BLANK

37IN DIA BK7 OPTICAL FLAT AL MOUNT GLASS TELESCOPE MIRROR BLANK

$35,000.00
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
Meade roof prism set for eyepiece,  telescope experiment

Meade roof prism set for eyepiece, telescope experiment

$3.95
18.75in FUSED SILICA TELESCOPE PCX LENS IN VACUUM CELL SCHUPMANN SOLAR QUARTZ

18.75in FUSED SILICA TELESCOPE PCX LENS IN VACUUM CELL SCHUPMANN SOLAR QUARTZ

$12,500.00
14.75in FUSED SILICA TELESCOPE SOLAR QUARTZ ASPHERICAL CORRECTED LENS ASPHERE

14.75in FUSED SILICA TELESCOPE SOLAR QUARTZ ASPHERICAL CORRECTED LENS ASPHERE

$8,000.00
New Mil Spec First (Front) Surface Mirror 110mm x 65mm Part number 10516757

New Mil Spec First (Front) Surface Mirror 110mm x 65mm Part number 10516757

$100.00
Celestron 94112A Erect Image Prism for Refractor NEW!!

Celestron 94112A Erect Image Prism for Refractor NEW!!

$32.95
Meade Ts34c-m Long Range Temperature Te923w-m,  White

Meade Ts34c-m Long Range Temperature Te923w-m, White

$31.18
 Amateur Telescope Making Antique 1944  Advanced Springfield Drives Rifle Scopes

Amateur Telescope Making Antique 1944 Advanced Springfield Drives Rifle Scopes

$9.99
Jarrell-Ash  8" Parabolic Mirror   1.5 M  Focal Length  3 cm Thick   New Coating

Jarrell-Ash 8" Parabolic Mirror 1.5 M Focal Length 3 cm Thick New Coating

$145.00
4.5" 114mm f8 Long Tube Telescope Spherical Mirror with 1" Secondary F=900mm NEW

4.5" 114mm f8 Long Tube Telescope Spherical Mirror with 1" Secondary F=900mm NEW

$21.95
Celestron 2" diagonal  93519 SCT LX90 Meade many other SCT's

Celestron 2" diagonal 93519 SCT LX90 Meade many other SCT's

$35.00
$47.00
2X 1.25'' Zenith Mirror 45Degree Erecting Prism Telescope Diagonal for Eyepiece

2X 1.25'' Zenith Mirror 45Degree Erecting Prism Telescope Diagonal for Eyepiece

$22.49
5X 1.25" 45? Erecting Prism Astronomical Telescope 31.7mm Zenith Diagonal Mirror

5X 1.25" 45? Erecting Prism Astronomical Telescope 31.7mm Zenith Diagonal Mirror

$52.99
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?

$8,500.00
PERISCOPE EYEPIECE TELESCOPE PRISM BEAM SPLITTER TANK LASER AIM OPTIC 240mm

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

$27.48
GSO Parabolic Primary Mirror - 6" f 4

GSO Parabolic Primary Mirror - 6" f 4

$219.00
GSO 6" f 4 Parabolic Primary and 62.5mm Secondary Mirror Set for Telescope

GSO 6" f 4 Parabolic Primary and 62.5mm Secondary Mirror Set for Telescope

$265.00
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

$16.06
468mm (18.4 Inch) f 7 Newtonian TELESCOPE MIRROR Historic Whittier College 1920s

468mm (18.4 Inch) f 7 Newtonian TELESCOPE MIRROR Historic Whittier College 1920s

$1,250.00
$1,650.00
Celestron 94112A Erect Image Prism for Refractor NEW!!

Celestron 94112A Erect Image Prism for Refractor NEW!!

$32.95
1.25" inch partial telescope eyepiece mirror diagonal

1.25" inch partial telescope eyepiece mirror diagonal

$3.95
Coulter Optical (Murnaghan Instruments) 6" F4 Parabolic Primary Telescope Mirror

Coulter Optical (Murnaghan Instruments) 6" F4 Parabolic Primary Telescope Mirror

$150.00
Honeywell TS34C-M Wireless Long Range Remote Temp Sensor (ts34cm)

Honeywell TS34C-M Wireless Long Range Remote Temp Sensor (ts34cm)

$23.29
Meade 07176-02 32mm Super Plossl Series 4000 # 0717602

Meade 07176-02 32mm Super Plossl Series 4000 # 0717602

$49.99
Meade 07735 Series 5000 1.25-Inch HD-60 25-Millimeter Eyepiece (Black)

Meade 07735 Series 5000 1.25-Inch HD-60 25-Millimeter Eyepiece (Black)

$89.00
Meade MWA Eyepiece 5mm (1 25") Waterproof # 607015

Meade MWA Eyepiece 5mm (1 25") Waterproof # 607015

$199.95
Nice 11? mirror optics looks military

Nice 11? mirror optics looks military

$425.00
Nice 8? Concave mirror optics looks military

Nice 8? Concave mirror optics looks military

$225.00
8 inch telescope alignment mirror in cell - military specs - optical flat

8 inch telescope alignment mirror in cell - military specs - optical flat

$495.00
Meade Instruments 07680 Series 5000 2-Inch Enhanced Dielectric Diagonal Mirror

Meade Instruments 07680 Series 5000 2-Inch Enhanced Dielectric Diagonal Mirror

$191.41
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
Zenith Mirror 45Degree Erecting Prism for 1.25'' Refractor Telescopes Eyepiece

Zenith Mirror 45Degree Erecting Prism for 1.25'' Refractor Telescopes Eyepiece

$17.53
NEW Lumenis Coherent High Power CO2 Laser Silicon Mirror 200W,  0614-993-01 Rev C

NEW Lumenis Coherent High Power CO2 Laser Silicon Mirror 200W, 0614-993-01 Rev C

$18.72
Celestron 1.25-inch Errect Image 45 Degree Diagonal 94112-A

Celestron 1.25-inch Errect Image 45 Degree Diagonal 94112-A

$35.00
Celestron 1.25-inch Star Diagonal 94115-A

Celestron 1.25-inch Star Diagonal 94115-A

$35.00
Celestron 2-inch SCT Diagonal XLT

Celestron 2-inch SCT Diagonal XLT

$134.95
GSO Elliptical Secondary Mirror - 28mm

GSO Elliptical Secondary Mirror - 28mm

$31.00
GSO Elliptical Secondary Mirror - 88mm

GSO Elliptical Secondary Mirror - 88mm

$132.00
Parks 45 Degree Hybrid Diagonal .96" to 1.25" for Telescope

Parks 45 Degree Hybrid Diagonal .96" to 1.25" for Telescope

$15.00
Mirror Large Demonstration Convex Spherical 40.5cm Dia. X 37cm fl

Mirror Large Demonstration Convex Spherical 40.5cm Dia. X 37cm fl

$74.25
Orion 05337 SteadyPix Universal Smartphone Telescope Photo Mount

Orion 05337 SteadyPix Universal Smartphone Telescope Photo Mount

$39.95
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

$450.00
American Educational Concave and Convex Spherical Glass Mirror,  7.5cm New

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

$39.21
Vortex MT-5107 Razor Red Dot Low Rail Mount (3 8")

Vortex MT-5107 Razor Red Dot Low Rail Mount (3 8")

$39.00
Spherical Telescope PRIMARY MIRROR : 135mm

Spherical Telescope PRIMARY MIRROR : 135mm

$59.99
7.0'' x 1.5'' Telescope Mirror Blank Dynsil

7.0'' x 1.5'' Telescope Mirror Blank Dynsil

$400.00
6.0" x 1.5" Telescope Mirror Blank ULE

6.0" x 1.5" Telescope Mirror Blank ULE

$300.00
4" Dia. x  1" Thick - Pyrex Telescope Optics Blank Disc Mirror

4" Dia. x 1" Thick - Pyrex Telescope Optics Blank Disc Mirror

$10.99
GSO Parabolic Primary Mirror - 10" f 4

GSO Parabolic Primary Mirror - 10" f 4

$485.00
GSO 10" f 4 Parabolic Primary and 88mm Secondary Mirror Set for Telescope

GSO 10" f 4 Parabolic Primary and 88mm Secondary Mirror Set for Telescope

$600.00
GSO Parabolic Primary Mirror - 10" f 5

GSO Parabolic Primary Mirror - 10" f 5

$293.00
GSO 10" f 5 Parabolic Primary and 62.5mm Secondary Mirror Set for Telescope

GSO 10" f 5 Parabolic Primary and 62.5mm Secondary Mirror Set for Telescope

$335.00
Meade #928 1.25" 45 degree Erect Image Diagonal Prism # 07217

Meade #928 1.25" 45 degree Erect Image Diagonal Prism # 07217

$40.00
Tele Vue 2" 90-deg Everbrite Star Diagonal # DSF-8002

Tele Vue 2" 90-deg Everbrite Star Diagonal # DSF-8002

$289.00
GSO Parabolic Primary Mirror - 8" f 6

GSO Parabolic Primary Mirror - 8" f 6

$205.00
GSO Elliptical Secondary Mirror - 62.5mm

GSO Elliptical Secondary Mirror - 62.5mm

$60.00
GSO Elliptical Secondary Mirror - 68mm

GSO Elliptical Secondary Mirror - 68mm

$68.00
ORION 1.25" 45° ERECT IMAGE STAR DIAGONAL - #6

ORION 1.25" 45° ERECT IMAGE STAR DIAGONAL - #6

$29.99
Orion 8763 1.25-Inch Prism Star Telescope Diagonal New

Orion 8763 1.25-Inch Prism Star Telescope Diagonal New

$54.16
Brookstone 350 60mm f Astronomical Refractor Telescope w  accessories and case

Brookstone 350 60mm f Astronomical Refractor Telescope w accessories and case

$85.95
GSO 2" 90-deg 99% Dielectric Mirror Diagonal for SCT Telescope

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

$112.00
Meade Super Plossl 20mm (1 25") # 0717402 - New

Meade Super Plossl 20mm (1 25") # 0717402 - New

$34.99
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
Brand New Orion 8879 1.25-Inch Enhanced Mirror Star Telescope Diagonal

Brand New Orion 8879 1.25-Inch Enhanced Mirror Star Telescope Diagonal

$100.95
Brand New Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

Brand New Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

$110.69
Brand New Celestron 2-Inch XLT Diagonal Mirror (for SCT Telescope)

Brand New Celestron 2-Inch XLT Diagonal Mirror (for SCT Telescope)

$155.18
Prism Diagonal 45 Degree 1.25" by High Point Scientific

Prism Diagonal 45 Degree 1.25" by High Point Scientific

$29.95
Meade Wireless long range remote temperature sensor # METS34CM

Meade Wireless long range remote temperature sensor # METS34CM

$24.99
Meade Wireless remote temperature & humidity sensor with LCD Display # METS33CM

Meade Wireless remote temperature & humidity sensor with LCD Display # METS33CM

$16.99
Meade roof prism set for making upright image eyepieces,  telescope experiments,

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

$4.95
GSO Elliptical Secondary Mirror - 74mm

GSO Elliptical Secondary Mirror - 74mm

$84.00