Mirrors, Prisms & Holders

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

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

$229.00
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 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
Baader T-2 BBHS Dielectric Mirror Diagonal Body # MAX-1S 2456103

Baader T-2 BBHS Dielectric Mirror Diagonal Body # MAX-1S 2456103

$292.00
1.25"(31.7mm) 90 degree Erect Image Amici Prism Diagonal for refractor telescope

1.25"(31.7mm) 90 degree Erect Image Amici Prism Diagonal for refractor telescope

$14.99
5" 125mm f 5  Telescope Spherical primary Mirror,  .66" 16.5mm Thick

5" 125mm f 5 Telescope Spherical primary Mirror, .66" 16.5mm Thick

$19.99
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
Demonstration Mirror Parabolic New 68 CM Focuses Parallel Rays Virtual Images

Demonstration Mirror Parabolic New 68 CM Focuses Parallel Rays Virtual Images

$55.45
Erecting Prism Astronomical Telescope 5 PCS Zenith Mirror 0.965" 45° Glass Black

Erecting Prism Astronomical Telescope 5 PCS Zenith Mirror 0.965" 45° Glass Black

$23.59
Telescope Spherical PRIMARY MIRROR + Heavy Duty Metal CELL : 160mm

Telescope Spherical PRIMARY MIRROR + Heavy Duty Metal CELL : 160mm

$99.99
Bo Concept (bresee) high-power high-definition telescope 8X30  0

Bo Concept (bresee) high-power high-definition telescope 8X30 0

$30.99
Mike Lockwood 2.2 Inch Minor Axis Secondary Mirror

Mike Lockwood 2.2 Inch Minor Axis Secondary Mirror

$200.00
6" 150mm f 5  Telescope Spherical Mirror,  1-9 16" Secondary F=750mm NEW!

6" 150mm f 5 Telescope Spherical Mirror, 1-9 16" Secondary F=750mm NEW!

$49.95
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

$76.00
telescope mirror

telescope mirror

$5.00
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 Parabolic Primary Mirror - 12" f 4

GSO Parabolic Primary Mirror - 12" f 4

$690.00
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!

$129.95
Meade telescope refractor eyepiece 1.25" 90-deg prism diagonal Towa of Japan

Meade telescope refractor eyepiece 1.25" 90-deg prism diagonal Towa of Japan

$2.25
Celestron telescope refractor eyepiece .965-1.25" hybrid diagonal w caps box

Celestron telescope refractor eyepiece .965-1.25" hybrid diagonal w caps box

$5.00
Hot 1.25inch Zenith Mirror 45-Deg Erecting Prism Astronomical Telescope Eyepiece

Hot 1.25inch Zenith Mirror 45-Deg Erecting Prism Astronomical Telescope Eyepiece

$34.99
TeleVue  Everbrite Mirror Diagonal 2" - Satin Finish with brass clam ring

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

$272.02
Meade Instruments #918A 1.25-Inch Diagonal Prism

Meade Instruments #918A 1.25-Inch Diagonal Prism

$54.82
EYEPIECE TELESCOPE PRISM ROOF BEAM SPLITTER TANK LASER AIM OPTIC

EYEPIECE TELESCOPE PRISM ROOF BEAM SPLITTER TANK LASER AIM OPTIC

$92.07
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 ...

$13.74
7x18 High-Definition Monocular Telescope Pocket Telescope Portable sight + Bag

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

$19.99
40mm x 55mm Secondary Diagonal Mirror For Newtonian Dobsonian Telescope

40mm x 55mm Secondary Diagonal Mirror For Newtonian Dobsonian Telescope

$21.00
2.5" Edmund telescope newtonian mirror  - very slight coating blem

2.5" Edmund telescope newtonian mirror - very slight coating blem

$4.95
2.5" Edmund telescope newtonian mirror  - very slight coating blem

2.5" Edmund telescope newtonian mirror - very slight coating blem

$3.95
GSO Elliptical Secondary Mirror - 104mm

GSO Elliptical Secondary Mirror - 104mm

$168.00
American Educational Concave Parabolic Large Demonstration Mirror,  7-1301-4 NEW

American Educational Concave Parabolic Large Demonstration Mirror, 7-1301-4 NEW

$53.89
Celestron Erect Image Diagonal 1.25"

Celestron Erect Image Diagonal 1.25"

$25.99
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 07216 #927 45" ERECT-IMAGE DIAGONAL PRISM .965"

MEADE 07216 #927 45" ERECT-IMAGE DIAGONAL PRISM .965"

$34.99
Scope Cloak Telescope Idle Protector Shield Refractor Reflector Waterproof Cover

Scope Cloak Telescope Idle Protector Shield Refractor Reflector Waterproof Cover

$125.93
GSO Elliptical Secondary Mirror - 28mm

GSO Elliptical Secondary Mirror - 28mm

$31.00
TOP! 24.5mm Zenith Mirror 0.965" 45 Degree Erecting Prism Astronomical Telescope

TOP! 24.5mm Zenith Mirror 0.965" 45 Degree Erecting Prism Astronomical Telescope

$9.32
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
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
Meade 07356 SLR 1.25-Inch Basic Camera Adapter for Refractor and Reflector Teles

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

$39.99
16" f 5 Sandwich Parabolic Telescope Mirror

16" f 5 Sandwich Parabolic Telescope Mirror

$900.00
18" f 4.1 Sandwich Parabolic Telescope Mirror

18" f 4.1 Sandwich Parabolic Telescope Mirror

$2,100.00
GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for SCT Telescope

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

$132.00
Telescope Secondary Mirror 3.5 inch

Telescope Secondary Mirror 3.5 inch

$200.00
Meade Instruments 07210 #932 45 Degree Erect Image Roof Prism

Meade Instruments 07210 #932 45 Degree Erect Image Roof Prism

$39.99
Meade roof prism set for eyepiece,  telescope experiment

Meade roof prism set for eyepiece, telescope experiment

$3.95
Orion 8763 1.25-inch Prism Star Telescope Diagonal

Orion 8763 1.25-inch Prism Star Telescope Diagonal

$53.23
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 ...

$12.06
41" Ritchey-Chrétien Telescope Mirror W  Secondary & Tertiary + Kevlar Insert

41" Ritchey-Chrétien Telescope Mirror W Secondary & Tertiary + Kevlar Insert

$100,000.00
Meade 07742 Series 5000 14mm Ultra Wide Angle Waterproof Eyepiece

Meade 07742 Series 5000 14mm Ultra Wide Angle Waterproof Eyepiece

$129.00
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 MWA Eyepiece 5mm (1 25") Waterproof

Meade MWA Eyepiece 5mm (1 25") Waterproof

$199.95
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

$129.75
Meade 07175-02 26mm Super Plossl Series 4000 # 0717502

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

$34.99
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
Celestron telescope  1.25" 90 deg mirror diagonal Japanese made

Celestron telescope 1.25" 90 deg mirror diagonal Japanese made

$11.49
6" 150mm f 9.3 Long Tube Telescope Spherical Mirror,  1-9 16" Secondary F=1400mm

6" 150mm f 9.3 Long Tube Telescope Spherical Mirror, 1-9 16" Secondary F=1400mm

$44.95
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

$22.95
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
6" 150mm f 5  Telescope Spherical Mirror,  1-9 16" Secondary F=750mm NEW!

6" 150mm f 5 Telescope Spherical Mirror, 1-9 16" Secondary F=750mm NEW!

$47.95
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
William Optics 1.25" 45 degree Erecting Prism Diagonal for Telescope "Exc" 80323

William Optics 1.25" 45 degree Erecting Prism Diagonal for Telescope "Exc" 80323

$75.99
4.5" 114mm f5 Short Tube Telescope Spherical Mirror with 1-3 8 Secondary F=500mm

4.5" 114mm f5 Short Tube Telescope Spherical Mirror with 1-3 8 Secondary F=500mm

$22.95
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
4" Telescope Lens Blank,  Mirror

4" Telescope Lens Blank, Mirror

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

Celestron 94112A Erect Image Prism for Refractor NEW!!

$37.95
flat glass oval Secondary Mirror 5.5" x 4"     .

flat glass oval Secondary Mirror 5.5" x 4" .

$45.00
 Spider from 16" telescope

Spider from 16" telescope

$24.00
Meade Ts34c-m Long Range Temperature Te923w-m,  White

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

$27.93
Edmund Scientific 12.5mm Orthoscopic Eyepiece for Telescope Japanese Made

Edmund Scientific 12.5mm Orthoscopic Eyepiece for Telescope Japanese Made

$16.49
Meade 07216 #927 45-degree Erect-Image Diagonal Prism

Meade 07216 #927 45-degree Erect-Image Diagonal Prism

$30.00
$50.00
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?

$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

$45.05
TMB Quartz 2" Telescope Mirror Diagonal

TMB Quartz 2" Telescope Mirror Diagonal

$119.95
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
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
Gosky Dust Caps for 1.25" Telescope Eyepieces Barlow lens or Other Accessories -

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

$15.18
Astromania 1.25" 90-degree Diagonal Mirror

Astromania 1.25" 90-degree Diagonal Mirror

$43.00
Astromania 1.25" 45-degree Diagonal Prism

Astromania 1.25" 45-degree Diagonal Prism

$49.16
American Educational Concave Parabolic Large Demonstration Mirror,  40.5cm New

American Educational Concave Parabolic Large Demonstration Mirror, 40.5cm New

$50.13
Brand New Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

Brand New Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

$129.76
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 Celestron 2-Inch XLT Diagonal Mirror (for SCT Telescope)

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

$155.18
Meade 07176-02 32mm Super Plossl Series 4000

Meade 07176-02 32mm Super Plossl Series 4000

$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
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
Telescope PRIMARY MIRROR : 160mm

Telescope PRIMARY MIRROR : 160mm

$69.99
8 inch telescope alignment mirror in cell - military specs - optical flat

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

$495.00