Mirrors, Prisms & Holders

Telescopes Auction
 Brand New*Very Unique,  Rare -around20-24 Elliptical Secondary Mirror For a Larg

Brand New*Very Unique, Rare -around20-24 Elliptical Secondary Mirror For a Larg

$250.00
Vintage Criterion RV6  6"  telescope mirror

Vintage Criterion RV6 6" telescope mirror

$21.61
Celestron 2" Mirror Star Diagonal #93519 NEW

Celestron 2" Mirror Star Diagonal #93519 NEW

$45.00
Telescope Secondary Mirror 1 inch (Precision flat)

Telescope Secondary Mirror 1 inch (Precision flat)

$22.99
Edmund Scientific First Surface Flat Mirror Metallized Side 30 x 40 x 3.2 mm O64

Edmund Scientific First Surface Flat Mirror Metallized Side 30 x 40 x 3.2 mm O64

$7.99
William Optics 90 Degree Optics (1002306-135)

William Optics 90 Degree Optics (1002306-135)

$99.99
Coleman Astrowatch D76mm X 700mm Reflector Telescope Kit With Carrying Case

Coleman Astrowatch D76mm X 700mm Reflector Telescope Kit With Carrying Case

$138.95
VINTAGE 1970's PRISM TELESCOPE - LUNETTE DE REGLAGE

VINTAGE 1970's PRISM TELESCOPE - LUNETTE DE REGLAGE

$9.99
$59.99
Celestron telescope refractor cassegrain 1.25" star diagonal clean TAIWAN

Celestron telescope refractor cassegrain 1.25" star diagonal clean TAIWAN

$7.00
Orion telescope refractor stargazing 1.25" 45-degree prism very clean

Orion telescope refractor stargazing 1.25" 45-degree prism very clean

$11.61
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
TWO 2 1 4 INCH  F#4 MIRRORS  FULL THICKNESS

TWO 2 1 4 INCH F#4 MIRRORS FULL THICKNESS

$55.00
$75.00
TWO 3 INCH  F#2.7 MIRRORS  FULL THICKNESS

TWO 3 INCH F#2.7 MIRRORS FULL THICKNESS

$65.00
$85.00
TWO 4 1 4 INCH  F#5 MIRRORS FULL THICKNESS - REVISED

TWO 4 1 4 INCH F#5 MIRRORS FULL THICKNESS - REVISED

$75.00
$110.00
Brand New Nikon Wireless Remote Controller WR-T10 + WR-A10

Brand New Nikon Wireless Remote Controller WR-T10 + WR-A10

$165.00
Telescope Secondary Mirror 4.0 inch

Telescope Secondary Mirror 4.0 inch

$239.00
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 2" 90 deg Mirror Diagonal for Refractor Telescope

GSO 2" 90 deg Mirror Diagonal for Refractor Telescope

$72.00
LARGE ROTATING PRISM ASSY FROM A KB-18A AERIAL CAMERA

LARGE ROTATING PRISM ASSY FROM A KB-18A AERIAL CAMERA

$25.00
Newport ValuMax Right-Angle Prism 12.7 mm BK 7 Alum Coated Hypo P031036

Newport ValuMax Right-Angle Prism 12.7 mm BK 7 Alum Coated Hypo P031036

$60.00
Rainbow made in japan CCD camera lens x2

Rainbow made in japan CCD camera lens x2

$50.00
Telescope Secondary Mirror 3.5 inch

Telescope Secondary Mirror 3.5 inch

$189.00
PS3-V Adapter 3" Rail to Rail Level for Vixen Telescopes

PS3-V Adapter 3" Rail to Rail Level for Vixen Telescopes

$88.06
Telescopic Cover - Metal Cover for Mounting 225mm

Telescopic Cover - Metal Cover for Mounting 225mm

$33.18
Brand New! NOT MADE ANYMORE,  RARE - TELESCOPE 1 1 4 " 90° Star Diagonal PRISM-

Brand New! NOT MADE ANYMORE, RARE - TELESCOPE 1 1 4 " 90° Star Diagonal PRISM-

$60.00
Telescope PRIMARY MIRROR US Made Meade 16" f 4.5 reflector reflecting

Telescope PRIMARY MIRROR US Made Meade 16" f 4.5 reflector reflecting

$850.00
Telescope Secondary Mirror 4.25 inch coulter

Telescope Secondary Mirror 4.25 inch coulter

$175.00
Meade Series 4000 Eyepiece Moon Filter ND96 (0.9) - 07531LF - New

Meade Series 4000 Eyepiece Moon Filter ND96 (0.9) - 07531LF - New

$17.99
Vintage Jason Erecting Prism 394,  for Telescopes,  Made in Japan

Vintage Jason Erecting Prism 394, for Telescopes, Made in Japan

$19.99
$29.99
Telescope Mirror 8 '' Dia.

Telescope Mirror 8 '' Dia.

$35.51
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

$43.00
Telescope Mirror 26-inch-diameter

Telescope Mirror 26-inch-diameter

$2,000.00
ALUMINIZING SERVICE FOR YOUR TELESCOPE PRIMARY MIRROR

ALUMINIZING SERVICE FOR YOUR TELESCOPE PRIMARY MIRROR

$60.00
ALUMINIZING SERVICE FOR YOUR TELESCOPE SECONDARY MIRROR

ALUMINIZING SERVICE FOR YOUR TELESCOPE SECONDARY MIRROR

$15.00
26 inch Mirror Blank Borosilicate Newtonian Primary Telescope Dobsonian Giant

26 inch Mirror Blank Borosilicate Newtonian Primary Telescope Dobsonian Giant

$1,750.00
$2,500.00
Meade roof prism set for eyepiece,  telescope experiment

Meade roof prism set for eyepiece, telescope experiment

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

2.5" Edmund telescope newtonian mirror - very slight coating blem

$3.95
Penta + Roof Optical Prism Laser Optics Beam Splitter Cube night vision

Penta + Roof Optical Prism Laser Optics Beam Splitter Cube night vision

$79.99
Orion 1.25 Dielectric Mirror Diagonal

Orion 1.25 Dielectric Mirror Diagonal

$80.00
Celestron 1.25" Telescope Star Diagonal # 94115-A

Celestron 1.25" Telescope Star Diagonal # 94115-A

$35.95
Celestron 1.25" 45-deg Erect Image Diagonal  # 94112-A

Celestron 1.25" 45-deg Erect Image Diagonal # 94112-A

$33.95
Meade Series 5000 2" Enhanced Dielectric Diagonal with SCT Adapter # 07680

Meade Series 5000 2" Enhanced Dielectric Diagonal with SCT Adapter # 07680

$149.00
Vintage (Japan) 0.965 Porro Prism Telescope Diagonal

Vintage (Japan) 0.965 Porro Prism Telescope Diagonal

$21.95
NEW Orion XT8 Secondary Mirror 2.56" inch w  Secondary holder.

NEW Orion XT8 Secondary Mirror 2.56" inch w Secondary holder.

$64.99
Pyrex Molded Mirror Blank 8" by 1.275"

Pyrex Molded Mirror Blank 8" by 1.275"

$95.00
NEW Edmund Scientific First Surface Mirror Metallized Side 40 x 15 x 3.2 mm  E26

NEW Edmund Scientific First Surface Mirror Metallized Side 40 x 15 x 3.2 mm E26

$5.94
GSO Parabolic Primary Mirror - 12" f 5

GSO Parabolic Primary Mirror - 12" f 5

$535.00
GSO 2" 90-deg 99% Dielectric Mirror Diagonal for Refractor Telescope

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

$110.00
GSO Elliptical Secondary Mirror - 31mm

GSO Elliptical Secondary Mirror - 31mm

$40.00
GSO Elliptical Secondary Mirror - 46.5mm

GSO Elliptical Secondary Mirror - 46.5mm

$48.00
GSO Elliptical Secondary Mirror - 70mm

GSO Elliptical Secondary Mirror - 70mm

$70.00
MEADE #905 Variable Polarizer (1.25") for all Meade Telescopes #ME07286

MEADE #905 Variable Polarizer (1.25") for all Meade Telescopes #ME07286

$49.99
GSO 2" 90 deg Mirror Diagonal for SCT Telescope

GSO 2" 90 deg Mirror Diagonal for SCT Telescope

$72.00
Telescope PRIMARY MIRROR : 80mm

Telescope PRIMARY MIRROR : 80mm

$19.99
Telescope PRIMARY MIRROR : 102mm

Telescope PRIMARY MIRROR : 102mm

$29.99
Meade  Meade 62 T-Adapter #07352 - New

Meade Meade 62 T-Adapter #07352 - New

$29.99
GSO Elliptical Secondary Mirror - 80mm

GSO Elliptical Secondary Mirror - 80mm

$100.00
GSO Elliptical Secondary Mirror - 88mm

GSO Elliptical Secondary Mirror - 88mm

$130.00
Tele Vue 2" 90-deg Everbrite Star Diagonal # DSF-8002

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

$289.00
Baader 2" Clicklock Mirror Star Diagonal for Telescope # MAX-2C 2956100

Baader 2" Clicklock Mirror Star Diagonal for Telescope # MAX-2C 2956100

$297.00
American Educational Concave Parabolic Large Demonstration Mirror  40.5cm Diamet

American Educational Concave Parabolic Large Demonstration Mirror 40.5cm Diamet

$72.14
Celestron 94112A Erect Image Prism for Refractor NEW!!

Celestron 94112A Erect Image Prism for Refractor NEW!!

$34.95
GSO Parabolic Primary Mirror - 6" f 6

GSO Parabolic Primary Mirror - 6" f 6

$155.00
GSO Parabolic Primary Mirror - 10" f 4

GSO Parabolic Primary Mirror - 10" f 4

$480.00
GSO Parabolic Primary Mirror - 8" f 4

GSO Parabolic Primary Mirror - 8" f 4

$230.00
GSO Parabolic Primary Mirror - 8" f 5

GSO Parabolic Primary Mirror - 8" f 5

$220.00
Coleman Astrowatch D76mm X 700mm Reflector Telescope Kit With Carrying Case

Coleman Astrowatch D76mm X 700mm Reflector Telescope Kit With Carrying Case

$155.95
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

$292.00
Baader T-2 90° Prism Star Diagonal Body # T2-01C 2456005

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

$131.00
Meade Series 4000 #126 2X Short-Focus Barlow Lens (1.25") #07273 - New

Meade Series 4000 #126 2X Short-Focus Barlow Lens (1.25") #07273 - New

$39.99
Meade Series 4000 #126 2X Short-Focus Barlow Lens (1.25") #07278 - New

Meade Series 4000 #126 2X Short-Focus Barlow Lens (1.25") #07278 - New

$39.99
Meade Basic Camera Adapter (1.25") #07356 - New

Meade Basic Camera Adapter (1.25") #07356 - New

$34.99
ProtoStar Telescope Secondary Mirror 2.14 ULS Quartz with 2.14x12.0 Curved Mount

ProtoStar Telescope Secondary Mirror 2.14 ULS Quartz with 2.14x12.0 Curved Mount

$260.00
New Zambuto 10" F 6 Primary Telescope Mirror with(Certification) in Original Box

New Zambuto 10" F 6 Primary Telescope Mirror with(Certification) in Original Box

$1,600.00
GSO 2" 90-deg 99% Dielectric Mirror Diagonal for SCTs

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

$65.00
Hubble Hyperbolic Newtonian Astrograph Optics,  HNA14

Hubble Hyperbolic Newtonian Astrograph Optics, HNA14

$1,650.00
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

$69.00
GSO Parabolic Primary Mirror - 16" f 4.5

GSO Parabolic Primary Mirror - 16" f 4.5

$1,280.00
GSO Parabolic Primary Mirror - 12" f 4

GSO Parabolic Primary Mirror - 12" f 4

$675.00
GSO Parabolic Primary Mirror - 8" f 6

GSO Parabolic Primary Mirror - 8" f 6

$205.00
GSO Elliptical Secondary Mirror - 50mm

GSO Elliptical Secondary Mirror - 50mm

$50.00
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
2.5" Edmund telescope newtonian mirror  - very slight coating blem

2.5" Edmund telescope newtonian mirror - very slight coating blem

$4.95
William Optics 1.25" 45° Erect Prism - D-EP125

William Optics 1.25" 45° Erect Prism - D-EP125

$68.00
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
William Optics 90 Degree 1.25" Erect Prism

William Optics 90 Degree 1.25" Erect Prism

$69.00
GSO 0.965"   1.25" 90-deg Hybrid 99% Dielectric Mirror Diagonal Compression Ring

GSO 0.965" 1.25" 90-deg Hybrid 99% Dielectric Mirror Diagonal Compression Ring

$73.00
7x18 High-Definition Monocular Telescope Pocket Telescope Portable sight + Bag

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

$19.99
Telescope PRIMARY MIRROR : 160mm

Telescope PRIMARY MIRROR : 160mm

$69.99
Telescope SECONDARY MIRRORS : 51mm X 35mm

Telescope SECONDARY MIRRORS : 51mm X 35mm

$14.95
Extra Lg NEW 4 VANE SECONDARY MIRROR+CELL FOR REFLECTOR TELESCOPE  51mm X 35mm

Extra Lg NEW 4 VANE SECONDARY MIRROR+CELL FOR REFLECTOR TELESCOPE 51mm X 35mm

$29.99
Vintage Pancro Mirrors First Surface Pancronized Mirror 13" x 1 3 8" Telescope

Vintage Pancro Mirrors First Surface Pancronized Mirror 13" x 1 3 8" Telescope

$500.00
3PC Telescopic Magnetic Pick Up Inspection Mirror Piercing Pin for Inspecting

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

$7.48
 Scientific 2-inch 99% Reflective Dielectric Coated Diagonal Mirror Carbon Fiber

Scientific 2-inch 99% Reflective Dielectric Coated Diagonal Mirror Carbon Fiber

$152.99
4.3?HD 120 degree 5V 1A Car Camera DVR Rearview Mirror Car Recorder 306*80*12mm

4.3?HD 120 degree 5V 1A Car Camera DVR Rearview Mirror Car Recorder 306*80*12mm

$149.99
Telescope Secondary Mirror 3.1 inch

Telescope Secondary Mirror 3.1 inch

$139.00
William Optics 1.25" Dielectric Diagonal W  Carbon Fiber Plates - D-125D

William Optics 1.25" Dielectric Diagonal W Carbon Fiber Plates - D-125D

$88.00
Explore Scientific 2" 99% Reflective Dielectric Coated Diagonal Mirror Carbon

Explore Scientific 2" 99% Reflective Dielectric Coated Diagonal Mirror Carbon

$153.88
Kendrick Dew Remover Heater for Newtonian 10" Primary Mirrors #2024

Kendrick Dew Remover Heater for Newtonian 10" Primary Mirrors #2024

$74.95
Telescope PRIMARY MIRROR + CELL : 80mm

Telescope PRIMARY MIRROR + CELL : 80mm

$24.99