Mirrors, Prisms & Holders

Telescopes Auction
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

$12.09
Astromania 1.25" 45-degree Diagonal Prism

Astromania 1.25" 45-degree Diagonal Prism

$38.78
Telescope PRIMARY MIRROR

Telescope PRIMARY MIRROR

$450.00
Tele Vue 2" 90-deg Enhanced Aluminum Star Diagonal # DSC-8001

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

$220.00
Celestron AstroMaster Accessory Kit Telescope Aperture Lens Mirror case eyepiece

Celestron AstroMaster Accessory Kit Telescope Aperture Lens Mirror case eyepiece

$58.79
GSO Elliptical Secondary Mirror - 28mm

GSO Elliptical Secondary Mirror - 28mm

$31.00
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

$34.99
GSO Elliptical Secondary Mirror - 50mm

GSO Elliptical Secondary Mirror - 50mm

$51.00
GSO 8" f 6 Parabolic Primary and 50mm Secondary Mirror Set for Telescope

GSO 8" f 6 Parabolic Primary and 50mm Secondary Mirror Set for Telescope

$235.00
GSO 6" f 5 Parabolic Primary and 50mm Secondary Mirror Set for Telescope

GSO 6" f 5 Parabolic Primary and 50mm Secondary Mirror Set for Telescope

$185.00
GSO 6" f 6 Parabolic Primary and 50mm Secondary Mirror Set for Telescope

GSO 6" f 6 Parabolic Primary and 50mm Secondary Mirror Set for Telescope

$195.00
Ullman Inspection Mirror,  LED,  1-3 8x 6-1 2 to 35 - HTE-2LT

Ullman Inspection Mirror, LED, 1-3 8x 6-1 2 to 35 - HTE-2LT

$12.52
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
12 1 2 inch (320mm x 45mm) Primary Parabolic F6 telescope mirror

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

$490.00
Meade roof prism set for eyepiece,  telescope experiment

Meade roof prism set for eyepiece, telescope experiment

$3.95
Large penta prism pentaprism part #67= 415 grams,  3 1 8",  2 3 4",  1 7 8"

Large penta prism pentaprism part #67= 415 grams, 3 1 8", 2 3 4", 1 7 8"

$155.00
1.3 inch diagonal telescope mirror and holder and spider

1.3 inch diagonal telescope mirror and holder and spider

$37.00
3.1 inch   80mm telescope mirror cell

3.1 inch 80mm telescope mirror cell

$27.00
3 4 inch telescope mirror diagonal  and holder and spider

3 4 inch telescope mirror diagonal and holder and spider

$37.00
4.5 inch mirror cell,  push pull

4.5 inch mirror cell, push pull

$30.00
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
Dust Caps for Telescope Eyepieces Barlow lens or Other Accessories Plug Cap

Dust Caps for Telescope Eyepieces Barlow lens or Other Accessories Plug Cap

$13.74
Gosky 1.25 -inch 45 Degree Erecting Image Star Diagonal Prism for Refractor a...

Gosky 1.25 -inch 45 Degree Erecting Image Star Diagonal Prism for Refractor a...

$21.49
Vintage Sears Telescope Porro Prism Image Erector

Vintage Sears Telescope Porro Prism Image Erector

$12.00
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
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
Black Rouge 0.2 micron Ultrafine Polishing Compound 8 oz.

Black Rouge 0.2 micron Ultrafine Polishing Compound 8 oz.

$15.00
PRICE REDUCED     ####   12 inch THIN EDGE PYREX Telescope Mirror Blank   ####

PRICE REDUCED #### 12 inch THIN EDGE PYREX Telescope Mirror Blank ####

$400.00
Meade Instruments #918A 1.25-Inch Diagonal Prism

Meade Instruments #918A 1.25-Inch Diagonal Prism

$27.96
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
The Lumicon 2" Enhanced Aluminum Diagonal

The Lumicon 2" Enhanced Aluminum Diagonal

$99.95
Diagonal adapter 1.25''erecting image prism for astronomical telescopes eyepiece

Diagonal adapter 1.25''erecting image prism for astronomical telescopes eyepiece

$3.99
24x17x5in OPTICAL FLAT Lightweight Telescope Autocollimation Mirror Test Flat UV

24x17x5in OPTICAL FLAT Lightweight Telescope Autocollimation Mirror Test Flat UV

$5,000.00
Orion telescope reflector dobsonian SkyQuest XT4.5 114mm f 900mm mirrors CLEAN

Orion telescope reflector dobsonian SkyQuest XT4.5 114mm f 900mm mirrors CLEAN

$5.00
Celestron 2" diagonal  93519 SCT or refractors

Celestron 2" diagonal 93519 SCT or refractors

$51.88
HUGE OPTICAL FLAT ZERODUR 12" DIAMETER LASER OPTICS SITALL

HUGE OPTICAL FLAT ZERODUR 12" DIAMETER LASER OPTICS SITALL

$1,100.00
smaller older olive green concave mirror : images appear upside down

smaller older olive green concave mirror : images appear upside down

$9.99
Celestron 94112A Erect Image Prism for Refractor NEW!!

Celestron 94112A Erect Image Prism for Refractor NEW!!

$37.95
5x 31.7mm Zenith Mirror 1.25" 90 Degree Dielectric Mirror for Astronomy Telescop

5x 31.7mm Zenith Mirror 1.25" 90 Degree Dielectric Mirror for Astronomy Telescop

$97.75
2x 31.7mm Zenith Mirror 1.25" 90-Deg Dielectric Mirror for Astronomical Telescop

2x 31.7mm Zenith Mirror 1.25" 90-Deg Dielectric Mirror for Astronomical Telescop

$40.41
3x 31.7mm Zenith Mirror 1.25" 90 Degree Dielectric Mirror Astronomical Telescope

3x 31.7mm Zenith Mirror 1.25" 90 Degree Dielectric Mirror Astronomical Telescope

$59.21
3x 31.7mm Zenith Mirror 1.25" 90-Deg Dielectric Mirror Astronomic Telescope Part

3x 31.7mm Zenith Mirror 1.25" 90-Deg Dielectric Mirror Astronomic Telescope Part

$62.99
Brand New Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

Brand New Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

$131.00
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 Orion 8879 1.25-Inch Enhanced Mirror Star Telescope Diagonal

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

$103.52
Dust Caps for 1.25" Telescope Eyepieces Barlow lens or Other Accessories - 5 and

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

$12.15
Brand New Celestron 2-Inch XLT Diagonal Mirror (for SCT Telescope)

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

$155.18
William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror Diagonal

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

$139.00
William Optics 2" 99% Dura Bright RotoLock Mirror Diagonal for Refractors

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

$200.00
William Optics 2" 99% Dura Bright RotoLock Mirror Diagonal for SCTs

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

$219.00
12 1 2 inch Primary Parabolic F5 telescope mirror

12 1 2 inch Primary Parabolic F5 telescope mirror

$202.49
Telescope Secondary Mirror and Curved Spider Vane

Telescope Secondary Mirror and Curved Spider Vane

$99.99
$150.00
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

$12.93
8 inch telescope alignment mirror in cell - military specs - optical flat

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

$495.00
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
GSO 0.965"   1.25" 90-deg Hybrid Mirror Star Diagonal

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

$33.00
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 ...

$13.01
3PC Telescopic Magnetic Pick Up Inspection Mirror Piercing Pin for Inspecting

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

$8.98
Arcturus Dielectric Mirror Diagonal 2 Inch

Arcturus Dielectric Mirror Diagonal 2 Inch

$119.95
New Old Stock 10 inch x 1 3 4 inch Telescope Blank Mirror Disk

New Old Stock 10 inch x 1 3 4 inch Telescope Blank Mirror Disk

$74.95
Diagonal adapter 1.25''erecting image prism for astronomical telescope eyepiece

Diagonal adapter 1.25''erecting image prism for astronomical telescope eyepiece

$6.29
Diagonal adapter 1.25''erecting image prism for astronomical telescope eyepieceS

Diagonal adapter 1.25''erecting image prism for astronomical telescope eyepieceS

$6.29
GSO 2" 90 deg Mirror Diagonal for SCT Telescope

GSO 2" 90 deg Mirror Diagonal for SCT Telescope

$73.00
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
GSO Elliptical Secondary Mirror - 31mm

GSO Elliptical Secondary Mirror - 31mm

$41.00
GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for SCT Telescope

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

$120.00
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 ...

$15.63
Meade Instruments 07680 Series 5000 2-Inch Enhanced Dielectric Diagonal Mirro...

Meade Instruments 07680 Series 5000 2-Inch Enhanced Dielectric Diagonal Mirro...

$156.19
Diagonal Adapter 1.25''erecting image prism for astronomicals telescope eyepiece

Diagonal Adapter 1.25''erecting image prism for astronomicals telescope eyepiece

$6.29
Diagonal adapter 1.25''erecting image prism astronomical telescope eyepiece WF

Diagonal adapter 1.25''erecting image prism astronomical telescope eyepiece WF

$6.29
Diagonal adapter 1.25''erecting image prism astronomical telescope eyepiece 7M

Diagonal adapter 1.25''erecting image prism astronomical telescope eyepiece 7M

$6.29
Ullman Inspection Mirror,  3-3 8 x6-1 2 to 29-1 2 HTS-2LT

Ullman Inspection Mirror, 3-3 8 x6-1 2 to 29-1 2 HTS-2LT

$30.95
American Educational Concave and Convex Spherical Glass Mirror,  7.5cm Diameter,

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

$32.41
Vortex MT-5107 Razor Red Dot Low Rail Mount (3 8")

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

$39.00
Celestron 2-Inch XLT Diagonal Mirror for SCT Telescope

Celestron 2-Inch XLT Diagonal Mirror for SCT Telescope

$137.86
MEADE ERECT IMAGE ROOF PRIZM #932

MEADE ERECT IMAGE ROOF PRIZM #932

$35.00
$50.00
Orion 15188 Scope Cloak - Refractor Reflector and SCTs

Orion 15188 Scope Cloak - Refractor Reflector and SCTs

$104.65
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 6" f 8 Parabolic Primary and 31mm Secondary Mirror Set for Telescope

GSO 6" f 8 Parabolic Primary and 31mm Secondary Mirror Set for Telescope

$150.00
Meade 07680 5000 2 In Enhanced Diagonal Mirror w SchmidtCassegrain Adapter

Meade 07680 5000 2 In Enhanced Diagonal Mirror w SchmidtCassegrain Adapter

$129.94
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)

$134.95
Hot 31.7mm Zenith Mirror 1.25" 90° Dielectric Mirror Diagonal for Telescope SALE

Hot 31.7mm Zenith Mirror 1.25" 90° Dielectric Mirror Diagonal for Telescope SALE

$24.36
12.5-Inch 9-Point Telescope mirror-cell

12.5-Inch 9-Point Telescope mirror-cell

$235.00
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 ...

$13.12
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

$69.00
GSO Parabolic Primary Mirror - 8" f 5

GSO Parabolic Primary Mirror - 8" f 5

$220.00
GSO 8" f 5 Parabolic Primary and 62.5mm Secondary Mirror Set for Telescope

GSO 8" f 5 Parabolic Primary and 62.5mm Secondary Mirror Set for Telescope

$270.00
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 Parabolic Primary Mirror - 12" f 4

GSO Parabolic Primary Mirror - 12" f 4

$690.00
GSO 12" f 4 Parabolic Primary and 88mm Secondary Mirror Set for Telescope

GSO 12" f 4 Parabolic Primary and 88mm Secondary Mirror Set for Telescope

$800.00
Orion 8879 1.25-Inch Enhanced Mirror Star Telescope Diagonal

Orion 8879 1.25-Inch Enhanced Mirror Star Telescope Diagonal

$101.32
Meade  Instruments 07202 1.25" # 918A Diagonal Prism for Telescope

Meade Instruments 07202 1.25" # 918A Diagonal Prism for Telescope

$35.98
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