Mirrors, Prisms & Holders

Telescopes Auction
Dust Caps for 1.25" Telescope Eyepieces Barlow lens - USA

Dust Caps for 1.25" Telescope Eyepieces Barlow lens - USA

$12.86
Steinheil,  large zenith prism,  refractor telescope,  + -1880

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

$259.00
Black Rouge 0.2 micron Ultrafine Polishing Compound 8 oz.

Black Rouge 0.2 micron Ultrafine Polishing Compound 8 oz.

$15.00
HUGE OPTICAL FLAT ZERODUR 12" DIAMETER LASER OPTICS SITALL

HUGE OPTICAL FLAT ZERODUR 12" DIAMETER LASER OPTICS SITALL

$1,100.00
Tele Vue 1.25" 90-degree Everbrite Dielectric Diagonal

Tele Vue 1.25" 90-degree Everbrite Dielectric Diagonal

$147.00
GSO Elliptical Secondary Mirror - 28mm

GSO Elliptical Secondary Mirror - 28mm

$31.00
1.25" 90-Deg Eyepiece Erecting Prism f Astronomical refractor telescope 31.75mm

1.25" 90-Deg Eyepiece Erecting Prism f Astronomical refractor telescope 31.75mm

$15.00
Dust Caps for 1.25" Telescope Eyepieces Barlow lens or Other Accessories - 5 Plu

Dust Caps for 1.25" Telescope Eyepieces Barlow lens or Other Accessories - 5 Plu

$12.00
StarGuider 2 Inch Diagonal for SCT or Refractors

StarGuider 2 Inch Diagonal for SCT or Refractors

$99.95
Meade 07730 Series 5000 HD-60 4.5-Millimeter Eyepiece (Black)

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

$75.95
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)

$75.95
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

$1,500.00
45 DEGREE 1.25" CORRECT IMAGE PRISM DIAGONAL FOR TERESTRIAL TELESCOPE USE

45 DEGREE 1.25" CORRECT IMAGE PRISM DIAGONAL FOR TERESTRIAL TELESCOPE USE

$27.99
GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for SCT Telescope

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

$120.00
Telescope Secondary Mirror 3.5 inch

Telescope Secondary Mirror 3.5 inch

$200.00
TeleVue  Everbrite Mirror Diagonal 2" - Satin Finish with brass clam ring

TeleVue Everbrite Mirror Diagonal 2" - Satin Finish with brass clam ring

$263.00
Dust Caps for 1.25" Telescope Eyepieces Barlow lens or Other Accessories - 5 New

Dust Caps for 1.25" Telescope Eyepieces Barlow lens or Other Accessories - 5 New

$25.35
TAL Star Diagonal mirror for Telescope 2 " 90 Degree New

TAL Star Diagonal mirror for Telescope 2 " 90 Degree New

$120.00
William Optics 1.25" 45 degree Erecting Prism Diagonal # D-EP125

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

$80.00
William Optics 1.25" 99% Dielectric DuraBright Carbon Fiber Star Mirror Diagonal

William Optics 1.25" 99% Dielectric DuraBright Carbon Fiber Star Mirror Diagonal

$95.00
William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror SCT Diagonal

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

$158.00
Tele Vue 2" 90-deg Enhanced Aluminum Star Diagonal # DSC-8001

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

$220.00
Meade 128 3x 1.25 Inches Barlow Lens

Meade 128 3x 1.25 Inches Barlow Lens

$39.95
Meade 07175-02 26mm Super Plossl Series 4000

Meade 07175-02 26mm Super Plossl Series 4000

$27.95
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
10 inch  (250mm x 40mm) F6 Parabolic Primary telescope mirror

10 inch (250mm x 40mm) F6 Parabolic Primary telescope mirror

$365.00
12 1 2 inch (320mm x 45mm) Primary Parabolic F6 telescope mirror

12 1 2 inch (320mm x 45mm) Primary Parabolic F6 telescope mirror

$575.00
William Optics 2" Diagonal Mirror #D-DIG2

William Optics 2" Diagonal Mirror #D-DIG2

$96.00
ORION Enhanced Aluminum 1.25" Mirror Diagonal

ORION Enhanced Aluminum 1.25" Mirror Diagonal

$19.99
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
Orion telescope reflector SkyView Pro Intelliscope 8" f 4.9 mirror w secondary

Orion telescope reflector SkyView Pro Intelliscope 8" f 4.9 mirror w secondary

$41.00
Telescope PRIMARY MIRROR : 160mm

Telescope PRIMARY MIRROR : 160mm

$69.99
16" Parabolic Primary Mirror Telescope Reflector

16" Parabolic Primary Mirror Telescope Reflector

$650.00
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.

$1,199.00
Meade #933 1.25" 45-deg Erect-Image Prism Diagonal for ETX60 70 80AT  # 07220

Meade #933 1.25" 45-deg Erect-Image Prism Diagonal for ETX60 70 80AT # 07220

$42.00
New Astromania 2" 45-degree High-quality Erecting Prism Diagonal for Telescope

New Astromania 2" 45-degree High-quality Erecting Prism Diagonal for Telescope

$199.99
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
16.5" Pyrex Telescope Concave Ribbed Mirror Blank

16.5" Pyrex Telescope Concave Ribbed Mirror Blank

$450.00
6" Telescope Mirror Mount

6" Telescope Mirror Mount

$15.00
(2) ORION Mirror Diagonals

(2) ORION Mirror Diagonals

$9.99
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
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

$26.33
Celestron 2" diagonal  93519 SCT or refractors

Celestron 2" diagonal 93519 SCT or refractors

$51.88
ONE ...Telescope 31mm X 22mm Secondary Mirror with 4 Vane Spider Cell(Metal)

ONE ...Telescope 31mm X 22mm Secondary Mirror with 4 Vane Spider Cell(Metal)

$12.99
Telescope Secondary Mirror

Telescope Secondary Mirror

$25.00
$37.00
1.25" inch partial telescope eyepiece mirror diagonal

1.25" inch partial telescope eyepiece mirror diagonal

$3.95
Celestron 94112A Erect Image Prism for Refractor NEW!!

Celestron 94112A Erect Image Prism for Refractor NEW!!

$37.95
Meade roof prism set for eyepiece,  telescope experiment

Meade roof prism set for eyepiece, telescope experiment

$3.95
5 INCH TELESCOPE MIRROR BLANK Borosilicate ( Pyrex )

5 INCH TELESCOPE MIRROR BLANK Borosilicate ( Pyrex )

$29.95
Brand New Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

Brand New Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

$116.69
Telescope Secondary Mirror 4.0 inch

Telescope Secondary Mirror 4.0 inch

$250.00
Telescope Secondary Mirror 2.36 inch

Telescope Secondary Mirror 2.36 inch

$135.00
Brand New Celestron 2-Inch XLT Diagonal Mirror (for SCT Telescope)

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

$155.18
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

$195.18
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
GSO 0.965"   1.25" 90-deg Hybrid Mirror Star Diagonal

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

$33.00
Optical Glass Triangular Prism,  3-Inches - PP-06291

Optical Glass Triangular Prism, 3-Inches - PP-06291

$13.06
Optical Glass Triangular Prism,  4-Inches - PP-06284

Optical Glass Triangular Prism, 4-Inches - PP-06284

$13.69
Optical Glass Triangular Prism,  2-Inches - PP-06307

Optical Glass Triangular Prism, 2-Inches - PP-06307

$9.94
Random mirrors-polished metal and various lenses,  3 double concave

Random mirrors-polished metal and various lenses, 3 double concave

$5.00
Lumicon Enhanced Coating Diagonal 96%

Lumicon Enhanced Coating Diagonal 96%

$80.00
3PC Telescopic Magnetic Pick Up Inspection Mirror Piercing Pin for Inspecting

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

$7.27
Arcturus Dielectric Mirror Diagonal 2 Inch

Arcturus Dielectric Mirror Diagonal 2 Inch

$119.95
2.5" Edmund telescope newtonian mirror  - very slight coating blem Hard to Find!

2.5" Edmund telescope newtonian mirror - very slight coating blem Hard to Find!

$4.95
Dust Caps for 1.25" Telescope Eyepieces Barlow lens or Other Accessories - 5 ...

Dust Caps for 1.25" Telescope Eyepieces Barlow lens or Other Accessories - 5 ...

$12.67
3" 76mm f 9.2 Telescope Spherical Mirror Kit with 3 4" Secondary  F=700mm NEW!

3" 76mm f 9.2 Telescope Spherical Mirror Kit with 3 4" Secondary F=700mm NEW!

$10.95
3" 76mm f 11.8 Telescope Spherical Mirror Kit with 3 4" Secondary  F=900mm NEW!

3" 76mm f 11.8 Telescope Spherical Mirror Kit with 3 4" Secondary F=900mm NEW!

$10.95
2.5" Edmund telescope newtonian mirror  - very slight coating blem Hard to Find!

2.5" Edmund telescope newtonian mirror - very slight coating blem Hard to Find!

$3.95
8" 203mm f 3.9 Telescope Plate Glass Spherical Mirror F=800mm NEW!

8" 203mm f 3.9 Telescope Plate Glass Spherical Mirror F=800mm NEW!

$94.95
2-3 4" Minor Axis Telescope Secondary Mirror Replacement Part for 8" Primary NEW

2-3 4" Minor Axis Telescope Secondary Mirror Replacement Part for 8" Primary NEW

$36.95
8" 203mm f 3.9 Telescope Spherical Mirror with 2-3 4" Secondary F=800mm NEW!

8" 203mm f 3.9 Telescope Spherical Mirror with 2-3 4" Secondary F=800mm NEW!

$119.95
Parks 1.83" Secondary Enhanced Aluminum Secondary Mirror - New

Parks 1.83" Secondary Enhanced Aluminum Secondary Mirror - New

$9.99
Meade Ultra Wide Angle 20mm 2" Waterproof Eyepiece

Meade Ultra Wide Angle 20mm 2" Waterproof Eyepiece

$103.95
Meade MWA Eyepiece 15mm (2") Waterproof

Meade MWA Eyepiece 15mm (2") Waterproof

$212.95
TAL Star Diagonal mirror for Telescope 1, 25" 90 Degree New

TAL Star Diagonal mirror for Telescope 1, 25" 90 Degree New

$99.00
12.5-Inch 9-Point Telescope mirror-cell

12.5-Inch 9-Point Telescope mirror-cell

$285.00
American Educational Concave Parabolic Large Demonstration Mirror,  40.5cm 68cm

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

$113.00
Astromania 1.25" 90-degree Diagonal Mirror

Astromania 1.25" 90-degree Diagonal Mirror

$27.37
Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

$106.08
Astromania 2" 45-degree High-quality Erecting Prism Diagonal for Telescope

Astromania 2" 45-degree High-quality Erecting Prism Diagonal for Telescope

$196.06
Astromania 1.25" 45-degree Diagonal Prism

Astromania 1.25" 45-degree Diagonal Prism

$34.58
Orion 8727 2-Inch Dielectric Mirror Star Diagonal

Orion 8727 2-Inch Dielectric Mirror Star Diagonal

$158.07
American Educational Concave and Convex Spherical Glass Mirror,  7.5cm New

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

$33.04
Vortex MT-5107 Razor Red Dot Low Rail Mount (3 8")

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

$43.00
1 " secondary mirrors-polished but not coasted-telescopes-astronomy

1 " secondary mirrors-polished but not coasted-telescopes-astronomy

$5.00
Opt 2" Star Diagonal Quartz

Opt 2" Star Diagonal Quartz

$100.00
#### PYREX Telescope Mirror Blanks ####

#### PYREX Telescope Mirror Blanks ####

$175.00
GSO Parabolic Primary Mirror - 10" f 4

GSO Parabolic Primary Mirror - 10" f 4

$485.00
Celestron 2" XLT Diagonal Mirror (for SCT Telescope)

Celestron 2" XLT Diagonal Mirror (for SCT Telescope)

$119.95
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
BRAND NEW 120mm SPHERICAL PRIMARY MIRROR FOR ASTRONOMICAL REFLECTOR TELESCOPE

BRAND NEW 120mm SPHERICAL PRIMARY MIRROR FOR ASTRONOMICAL REFLECTOR TELESCOPE

$39.99
Spherical Telescope PRIMARY MIRROR : 135mm

Spherical Telescope PRIMARY MIRROR : 135mm

$59.99