Mirrors, Prisms & Holders

Telescopes Auction
Parabolic Mirror

Parabolic Mirror

$125.00
Baader 2" 90° Erecting Amici Prism Diagonal w  1.25" Adapter # AMICI-2 2956152

Baader 2" 90° Erecting Amici Prism Diagonal w 1.25" Adapter # AMICI-2 2956152

$300.00
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

$272.00
Tele Vue 2" 90-deg Enhanced Aluminum Star Diagonal # DSC-8001

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

$220.00
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
2.5" Edmund telescope newtonian mirror  - very slight coating blem

2.5" Edmund telescope newtonian mirror - very slight coating blem

$3.95
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

$2.24
8 inch pyrex telescope mirror blank

8 inch pyrex telescope mirror blank

$75.00
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

$225.00
celestron 90° erect image lens

celestron 90° erect image lens

$45.00
$65.00
PERISCOPE EYEPIECE TELESCOPE PRISM BEAM SPLITTER TANK LASER AIM OPTIC 240mm

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

$52.00
William Optics 1.25" 45 degree Erecting Prism Diagonal # D-EP125

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

$78.00
Baader T-2 90° Deluxe Astro-Grade Amici Prism Diagonal Body # AMICI-DX1 2456130

Baader T-2 90° Deluxe Astro-Grade Amici Prism Diagonal Body # AMICI-DX1 2456130

$302.00
Celestron 2" diagonal  93519 SCT or refractors

Celestron 2" diagonal 93519 SCT or refractors

$52.88
American Educational Concave Spherical Glass Mirror  50mm Diameter  15cm Focal L

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

$21.87
American Educational Concave Spherical Silver-Backed Glass Mirror with Ground Ed

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

$20.00
Meade telescope refractor .965" to 1.25" hybrid mirror diagonal CLEAN with caps

Meade telescope refractor .965" to 1.25" hybrid mirror diagonal CLEAN with caps

$6.99
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
Solomark The 1.25" 90 degree diagonal Prism (Metal) for Astronomic Telescope

Solomark The 1.25" 90 degree diagonal Prism (Metal) for Astronomic Telescope

$28.88
Solomark The 1.25" 45 degree diagonal Prism

Solomark The 1.25" 45 degree diagonal Prism

$18.88
1.25" 90 Degree Dielectric  prism telescope Diagonal Mirror for Refractor

1.25" 90 Degree Dielectric prism telescope Diagonal Mirror for Refractor

$12.00
Solomark The 1.25" 90 degree diagonal mirror for Astronomic Telescope

Solomark The 1.25" 90 degree diagonal mirror for Astronomic Telescope

$22.88
Meade roof prism set for eyepiece,  telescope experiment

Meade roof prism set for eyepiece, telescope experiment

$4.95
8" Inch Telescope Primary Mirror with Secondary & Eyepiece Mount BUNDLE UNTESTED

8" Inch Telescope Primary Mirror with Secondary & Eyepiece Mount BUNDLE UNTESTED

$55.55
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

$30.00
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?

$5,000.00
8" f 6 Primary and 1.8in Secondary Telescope Mirror Set

8" f 6 Primary and 1.8in Secondary Telescope Mirror Set

$150.00
Large Concave Mirror 6.5 inch diameter

Large Concave Mirror 6.5 inch diameter

$14.00
Celestron 94112A Erect Image Prism for Refractor NEW!!

Celestron 94112A Erect Image Prism for Refractor NEW!!

$34.95
Parks 90 Degree Hybrid Diagonal .96" to 1.25" for Telescope

Parks 90 Degree Hybrid Diagonal .96" to 1.25" for Telescope

$9.95
Lumicon 1.25" LumiBrite 90 Degree Telescope Diagonal

Lumicon 1.25" LumiBrite 90 Degree Telescope Diagonal

$14.07
1.25" inch partial telescope eyepiece mirror diagonal

1.25" inch partial telescope eyepiece mirror diagonal

$3.95
REFRACTOR TELESCOPE 90 DEGREES DIAGONAL 1.25"

REFRACTOR TELESCOPE 90 DEGREES DIAGONAL 1.25"

$14.95
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
meade SERIES 4000  telenegative amplifier 1 1 4 inch barlow COATED triplett

meade SERIES 4000 telenegative amplifier 1 1 4 inch barlow COATED triplett

$26.59
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
Pyrex telescope mirror 16",  f 4.5 Newtonian. Ostahowski good coating

Pyrex telescope mirror 16", f 4.5 Newtonian. Ostahowski good coating

$1,450.00
Questar 3.5 telescope with Zerodur mirror and Broadband Coatings

Questar 3.5 telescope with Zerodur mirror and Broadband Coatings

$3,000.00
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

$30.00
GSO Elliptical Secondary Mirror - 88mm

GSO Elliptical Secondary Mirror - 88mm

$130.00
GSO Parabolic Primary Mirror - 6" f 6

GSO Parabolic Primary Mirror - 6" f 6

$155.00
GSO Parabolic Primary Mirror - 6" f 8

GSO Parabolic Primary Mirror - 6" f 8

$115.00
GSO Parabolic Primary Mirror - 8" f 4

GSO Parabolic Primary Mirror - 8" f 4

$230.00
Highpoint Scientific 2" Dielectric Star Diagolal

Highpoint Scientific 2" Dielectric Star Diagolal

$70.00
GSO Elliptical Secondary Mirror - 50mm

GSO Elliptical Secondary Mirror - 50mm

$50.00
90° Diagonal Mirror,  1.25? Dia.

90° Diagonal Mirror, 1.25? Dia.

$4.00
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

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

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

$30.00
1.25" 90 Degree Dielectric  prism telescope Diagonal Mirror for Refractor -

1.25" 90 Degree Dielectric prism telescope Diagonal Mirror for Refractor -

$3.00
Vortex MT-5107 Razor Red Dot Low Rail Mount (3 8")

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

$39.00
4" Dia. x  1" Thick - Pyrex Telescope Optics Blank Disc Mirror

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

$18.99
GSO Parabolic Primary Mirror - 6" f 4

GSO Parabolic Primary Mirror - 6" f 4

$215.00
GSO Parabolic Primary Mirror - 6" f 5

GSO Parabolic Primary Mirror - 6" f 5

$145.00
Celestron telescope reflector RARE C100 f 10 mirror kit complete with cell JAPAN

Celestron telescope reflector RARE C100 f 10 mirror kit complete with cell JAPAN

$19.00
1.5 meter f 4.9 Zerodur Mirror with Mount Telescope Primary Parabolic Collimator

1.5 meter f 4.9 Zerodur Mirror with Mount Telescope Primary Parabolic Collimator

$78,500.00
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
GSO Elliptical Secondary Mirror - 62.5mm

GSO Elliptical Secondary Mirror - 62.5mm

$60.00
GSO Elliptical Secondary Mirror - 68mm

GSO Elliptical Secondary Mirror - 68mm

$67.00
William Optics NEW 2" 45 degree Erect Prism

William Optics NEW 2" 45 degree Erect Prism

$188.00
Orion 8763 1.25-Inch Prism Star Telescope Diagonal New

Orion 8763 1.25-Inch Prism Star Telescope Diagonal New

$56.58
Tele Vue 1.25" 45-deg Erect Image Prism Diagonal # AMI-0011

Tele Vue 1.25" 45-deg Erect Image Prism Diagonal # AMI-0011

$66.00
GSO 2" 90 deg Mirror Diagonal for Refractor Telescope

GSO 2" 90 deg Mirror Diagonal for Refractor Telescope

$72.00
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

$99.99
Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

$130.66
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
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 MIRROR+CELL Set ! 102mm Primary + Cell & 38mm X 27mm Secondary + Cell

Telescope MIRROR+CELL Set ! 102mm Primary + Cell & 38mm X 27mm Secondary + Cell

$39.99
Meade roof prism set for making upright image eyepieces,  telescope experiments,

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

$5.95
GSO Elliptical Secondary Mirror - 74mm

GSO Elliptical Secondary Mirror - 74mm

$82.00
William Optics 90 Degree Optics (1002306-135)

William Optics 90 Degree Optics (1002306-135)

$69.99
Telescope PRIMARY MIRROR + CELL : 80mm

Telescope PRIMARY MIRROR + CELL : 80mm

$24.99
Telescope 80mm PRIMARY + 31mm X 22mm SECONDARY - MIRRORS + CELLS - SET

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

$19.99
TELESCOPE SECONDARY MIRROR 2.7 inch

TELESCOPE SECONDARY MIRROR 2.7 inch

$77.95
Meade 918A Diagonal Prism 1.25 inch (1-1 4 in.) Eyepiece

Meade 918A Diagonal Prism 1.25 inch (1-1 4 in.) Eyepiece

$29.95
Meade 1.25" # 918A Diagonal Prism for Telescope # 07202

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

$39.00
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
William Optics 2" 45 degree Erecting Prism Diagonal for Telescope # D-EP2

William Optics 2" 45 degree Erecting Prism Diagonal for Telescope # D-EP2

$188.00
LOT OF 3 EDMUND SCIENTIFIC FIRST SURFACE MIRROR 127X178mm & 43X145mm 5X7

LOT OF 3 EDMUND SCIENTIFIC FIRST SURFACE MIRROR 127X178mm & 43X145mm 5X7

$45.00
Baader T-2 90° Prism Star Diagonal Body # T2-01C 2456005

Baader T-2 90° Prism Star Diagonal Body # T2-01C 2456005

$131.00
34IN DIA 5.5IN THK FUSED SILICA SPHERE MIRROR QUARTZ GLASS RC TELESCOPE BLANK

34IN DIA 5.5IN THK FUSED SILICA SPHERE MIRROR QUARTZ GLASS RC TELESCOPE BLANK

$20,000.00
Nice Jersey Shape Mirror

Nice Jersey Shape Mirror

$2,800.00
Lot of 4 Halves of high Quality Glass (7.5 inch Diameter x 4)

Lot of 4 Halves of high Quality Glass (7.5 inch Diameter x 4)

$3,500.00
Nice Glass (17x18.5x1)

Nice Glass (17x18.5x1)

$1,700.00
Hubble Hyperbolic Newtonian Astrograph Optics,  HNA14

Hubble Hyperbolic Newtonian Astrograph Optics, HNA14

$1,650.00
US31.7mm Zenith Mirror for 1.25'' Erecting Prism Astronomical Telescope Eyepiece

US31.7mm Zenith Mirror for 1.25'' Erecting Prism Astronomical Telescope Eyepiece

$13.99