Shop by Department
Sponsor Sign InBecome a Sponsor
Sponsor Sign InBecome a Sponsor

Telescope Mirrors & Prisms | Surplus Network

Meade 5000 2in Enhanced Diagonal Mirror with Adapter
USA
Meade 5000 2in Enhanced Diagonal...

$127.95 USD

Meade 5000 2in Enhanced Diagonal...

$127.95 USD

Newtonian telescope parabolic primary mirror 6 in
USA
Newtonian telescope parabolic primary...

$100.00 USD

Newtonian telescope parabolic primary...

$100.00 USD

GSO Elliptical Secondary Mirror - 80mm
USA
GSO Elliptical Secondary Mirror - 80mm

$100.00 USD

GSO Elliptical Secondary Mirror - 80mm

$100.00 USD

Celestron 2" diagonal 93519 SCT or refractors
USA
Celestron 2" diagonal 93519 SCT or...

$51.88 USD

Celestron 2" diagonal 93519 SCT or...

$51.88 USD

1" Minor Axis Telescope Secondary Mirror Replacement Part for 114mm Scopes - NEW
USA
1" Minor Axis Telescope Secondary...

$9.99 USD

1" Minor Axis Telescope Secondary...

$9.99 USD

Cassini PM-160 - Telescope PRIMARY MIRROR : 160mm
USA
Cassini PM-160 - Telescope PRIMARY...

$69.99 USD

Cassini PM-160 - Telescope PRIMARY...

$69.99 USD

D203F800 Primary mirror + secondary mirror Mirror Set For Telescope FREE
USA
D203F800 Primary mirror + secondary...

$112.42 USD

D203F800 Primary mirror + secondary...

$112.42 USD

Telescope SPHERICAL PRIMARY MIRROR : 120mm
USA
Telescope SPHERICAL PRIMARY MIRROR :...

$19.99 USD

Telescope SPHERICAL PRIMARY MIRROR :...

$19.99 USD

Telescope SHPERICAL PRIMARY MIRROR + STURDY CELL & CAP : 102mm
USA
Telescope SHPERICAL PRIMARY MIRROR +...

$19.99 USD

Telescope SHPERICAL PRIMARY MIRROR +...

$19.99 USD

2" Telescope Focus Housing--Refurbished
USA
2" Telescope Focus Housing--Refurbished

$19.99 USD

2" Telescope Focus Housing--Refurbished

$19.99 USD

MEADE TELESCOPE LENS EYEPIECE #928 45 DEGREE ERECT-IMAGE DIAGONAL PRISM (1.25")
USA
MEADE TELESCOPE LENS EYEPIECE #928 45...

$25.00 USD

MEADE TELESCOPE LENS EYEPIECE #928 45...

$25.00 USD

GSO Parabolic Primary Mirror - 6" f/8
USA
GSO Parabolic Primary Mirror - 6" f/8

$117.00 USD

GSO Parabolic Primary Mirror - 6" f/8

$117.00 USD

31mm x 22mm Telescope Secondary Mirror and 4 Vane Spider Cell
USA
31mm x 22mm Telescope Secondary...

$14.99 USD

31mm x 22mm Telescope Secondary...

$14.99 USD

Cassini SM-3122 - Telescope SECONDARY MIRROR : 31mm X 22mm
USA
Cassini SM-3122 - Telescope SECONDARY...

$14.99 USD

Cassini SM-3122 - Telescope SECONDARY...

$14.99 USD

Primary Mirror Cell **FREE SHIP**
USA
Primary Mirror Cell **FREE SHIP**

$150.00 USD

Primary Mirror Cell **FREE SHIP**

$150.00 USD

GSO 1.25" 90-deg 99% Dielectric Mirror Diagonal with Compression Ring - NEW
USA
GSO 1.25" 90-deg 99% Dielectric...

$69.00 USD

GSO 1.25" 90-deg 99% Dielectric...

$69.00 USD

GSO 0.965" / 1.25" 90-deg Hybrid Mirror Star Diagonal
USA
GSO 0.965" / 1.25" 90-deg Hybrid...

$33.00 USD

GSO 0.965" / 1.25" 90-deg Hybrid...

$33.00 USD

Orion 1.25" Enhanced Mirror Star Telescope Diagonal
Puerto Rico
Orion 1.25" Enhanced Mirror Star...

$79.99 USD

Orion 1.25" Enhanced Mirror Star...

$79.99 USD

D114F900 Primary mirror + secondary mirror Mirror Set for Telescope FREE
USA
D114F900 Primary mirror + secondary...

$79.99 USD

D114F900 Primary mirror + secondary...

$79.99 USD

D203F800 Primary Mirror + Secondary Mirror Mirror Set For Astronomical Telescope
USA
D203F800 Primary Mirror + Secondary...

$105.99 USD

D203F800 Primary Mirror + Secondary...

$105.99 USD

Celestron 2" XLT Diagonal Mirror (for SCT Telescope)
USA
Celestron 2" XLT Diagonal Mirror (for...

$134.95 USD

Celestron 2" XLT Diagonal Mirror (for...

$134.95 USD

Celestron telescope 2" Mirror Diagonal 93519
USA
Celestron telescope 2" Mirror...

$50.00 USD

Celestron telescope 2" Mirror...

$50.00 USD

D203F800 Primary mirror + secondary mirror Mirror Set For Telescope
USA
D203F800 Primary mirror + secondary...

$114.18 USD

D203F800 Primary mirror + secondary...

$114.18 USD

Explore Scientific 99% Dielectric 2" Diagonal for Telescope # DD02-00CF
USA
Explore Scientific 99% Dielectric 2"...

$119.99 USD

Explore Scientific 99% Dielectric 2"...

$119.99 USD

First Surface Mirror in Acrylic - GIANT 16" x 16" size - 1 pieces - Made in USA
USA
First Surface Mirror in Acrylic -...

$119.99 USD

First Surface Mirror in Acrylic -...

$119.99 USD

D203F800 Primary mirror + secondary mirror Mirror Set For Telescope FREE
USA
D203F800 Primary mirror + secondary...

$113.08 USD

D203F800 Primary mirror + secondary...

$113.08 USD

GSO 0.965" / 1.25" 90-deg Hybrid Erect-Image Prism Diagonal
USA
GSO 0.965" / 1.25" 90-deg Hybrid...

$34.00 USD

GSO 0.965" / 1.25" 90-deg Hybrid...

$34.00 USD

6" Optimized Primary Mirror Cell
USA
6" Optimized Primary Mirror Cell

$110.00 USD

6" Optimized Primary Mirror Cell

$110.00 USD

8" to 13.1" Optimized Primary Mirror Cell Kit
USA
8" to 13.1" Optimized Primary Mirror...

$110.00 USD

8" to 13.1" Optimized Primary Mirror...

$110.00 USD

GSO 1.25" 90-deg Mirror Star Diagonal for Refractor Telescope # GSST
USA
GSO 1.25" 90-deg Mirror Star Diagonal...

$31.00 USD

GSO 1.25" 90-deg Mirror Star Diagonal...

$31.00 USD

GSO Elliptical Secondary Mirror - 28mm
USA
GSO Elliptical Secondary Mirror - 28mm

$31.00 USD

GSO Elliptical Secondary Mirror - 28mm

$31.00 USD

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

$139.00 USD

William Optics 2" 99% Dielectric Dura...

$139.00 USD

GSO Parabolic Primary Mirror - 6" f/5
USA
GSO Parabolic Primary Mirror - 6" f/5

$148.00 USD

GSO Parabolic Primary Mirror - 6" f/5

$148.00 USD

GSO Parabolic Primary Mirror - 6" f/6
USA
GSO Parabolic Primary Mirror - 6" f/6

$155.00 USD

GSO Parabolic Primary Mirror - 6" f/6

$155.00 USD

GSO Elliptical Secondary Mirror - 50mm
USA
GSO Elliptical Secondary Mirror - 50mm

$51.00 USD

GSO Elliptical Secondary Mirror - 50mm

$51.00 USD

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

$158.00 USD

William Optics 2" 99% Dielectric Dura...

$158.00 USD

Pyrex Glass Telescope Mirror Blank 5 Inch Diameter 1 Inch Thick
USA
Pyrex Glass Telescope Mirror Blank 5...

$29.95 USD

Pyrex Glass Telescope Mirror Blank 5...

$29.95 USD

Cassini PM-135 - Telescope Spherical PRIMARY MIRROR : 135mm
USA
Cassini PM-135 - Telescope Spherical ...

$49.99 USD

Cassini PM-135 - Telescope Spherical ...

$49.99 USD

Cassini ERFB - 1.25" FORMAT 2X FLIP BARLOW LENS+ ERECTING DIAGONAL PRISM
USA
Cassini ERFB - 1.25" FORMAT 2X FLIP...

$49.99 USD

Cassini ERFB - 1.25" FORMAT 2X FLIP...

$49.99 USD

GSO Parabolic Primary Mirror - 6" f/4
USA
GSO Parabolic Primary Mirror - 6" f/4

$219.00 USD

GSO Parabolic Primary Mirror - 6" f/4

$219.00 USD

GOTO PRISM WITH 52MM THREADS, BUT FOR WHAT? SPECTOGRAPH?
USA
GOTO PRISM WITH 52MM THREADS, BUT FOR...

$59.99 USD

GOTO PRISM WITH 52MM THREADS, BUT FOR...

$59.99 USD

Galileo Newtonian Reflector Telescope FS-120 stand and lenses included
USA
Galileo Newtonian Reflector Telescope...

$59.99 USD

Galileo Newtonian Reflector Telescope...

$59.99 USD

15 INCH Glass Reflector Telescope Mirror Lens Optical Optics Laser 2” Thick
USA
15 INCH Glass Reflector Telescope...

$999.99 USD

15 INCH Glass Reflector Telescope...

$999.99 USD

18 INCH Glass Reflector Telescope Mirror Lens Optical Optics 1” Thick
USA
18 INCH Glass Reflector Telescope...

$999.99 USD

18 INCH Glass Reflector Telescope...

$999.99 USD

13” Glass Reflector Telescope Mirror Lens Optical Optics Laser 2” Thick
USA
13” Glass Reflector Telescope...

$999.99 USD

13” Glass Reflector Telescope...

$999.99 USD

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

$101.00 USD

GSO 2" 90-deg 99% Dielectric Mirror...

$101.00 USD

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

$101.00 USD

GSO 2" 90-deg 99% Dielectric Mirror...

$101.00 USD

GSO Elliptical Secondary Mirror - 31mm
USA
GSO Elliptical Secondary Mirror - 31mm

$41.00 USD

GSO Elliptical Secondary Mirror - 31mm

$41.00 USD

Orion 5-in refractor, optical tube and finder only!
USA
Orion 5-in refractor, optical tube...

$250.00 USD

Orion 5-in refractor, optical tube...

$250.00 USD

Eyepieces Variety
USA
Eyepieces Variety

$250.00 USD

Eyepieces Variety

$250.00 USD

Meade #928 1.25" 45 degree Erect Image Diagonal Prism # 07217
USA
Meade #928 1.25" 45 degree Erect...

$31.95 USD

Meade #928 1.25" 45 degree Erect...

$31.95 USD

2 pc Set! 90mm Spherical Primary Mirror+ Cell & 31mmX22mm Secondary Mirror+ Cell
USA
2 pc Set! 90mm Spherical Primary...

$24.99 USD

2 pc Set! 90mm Spherical Primary...

$24.99 USD

15” Glass Reflector Telescope Mirror Lens Optical Optics Laser Over 2” Thick
USA
15” Glass Reflector Telescope...

$1,299.99 USD

15” Glass Reflector Telescope...

$1,299.99 USD

Baader 1.25" 45° Amici Prism Diagonal # AMICI-45 2956150
USA
Baader 1.25" 45° Amici Prism...

$93.00 USD

Baader 1.25" 45° Amici Prism...

$93.00 USD

Fused quartz 20" Diameter x 1.75" mirror blank
USA
Fused quartz 20" Diameter x 1.75"...

$1,850.00 USD

Fused quartz 20" Diameter x 1.75"...

$1,850.00 USD

Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal
USA
Orion 8880 1.25-Inch Dielectric...

$99.85 USD

Orion 8880 1.25-Inch Dielectric...

$99.85 USD

GSO Elliptical Secondary Mirror - 62.5mm
USA
GSO Elliptical Secondary Mirror - 62.5mm

$60.00 USD

GSO Elliptical Secondary Mirror - 62.5mm

$60.00 USD

GSO 2" 90 deg Mirror Diagonal for SCT Telescope
USA
GSO 2" 90 deg Mirror Diagonal for SCT...

$72.00 USD

GSO 2" 90 deg Mirror Diagonal for SCT...

$72.00 USD

GSO Elliptical Secondary Mirror - 70mm
USA
GSO Elliptical Secondary Mirror - 70mm

$72.00 USD

GSO Elliptical Secondary Mirror - 70mm

$72.00 USD

GSO 2" 90 deg Mirror Diagonal for Refractor Telescope
USA
GSO 2" 90 deg Mirror Diagonal for...

$72.00 USD

GSO 2" 90 deg Mirror Diagonal for...

$72.00 USD

GSO 1.25" 45 degree Erect Image Amici Prism Diagonal # PD45
USA
GSO 1.25" 45 degree Erect Image Amici...

$30.00 USD

GSO 1.25" 45 degree Erect Image Amici...

$30.00 USD

Meade 1.25" #918A Diagonal Mirror for Telescope # 07202
USA
Meade 1.25" #918A Diagonal Mirror for...

$30.00 USD

Meade 1.25" #918A Diagonal Mirror for...

$30.00 USD

First Surface mirror from DLP TV
USA
First Surface mirror from DLP TV

$30.00 USD

First Surface mirror from DLP TV

$30.00 USD

13” Glass Reflector Telescope Mirror Lens Optical Optics Laser 2” Thick
USA
13” Glass Reflector Telescope...

$699.99 USD

13” Glass Reflector Telescope...

$699.99 USD

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

$120.00 USD

GSO 2" 90-deg 99% Quartz Dielectric...

$120.00 USD

DayStar 2" 90-deg 99% Dielectric Mirror Diagonal
USA
DayStar 2" 90-deg 99% Dielectric...

$169.00 USD

DayStar 2" 90-deg 99% Dielectric...

$169.00 USD

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

$42.95 USD

Meade #933 1.25" 45-deg Erect-Image...

$42.95 USD

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

$200.00 USD

William Optics 2" 99% Dura Bright...

$200.00 USD

1.25" MINOR AXIS NEWTONIAN ASTRONOMY TELESCOPE SECONDARY MIRROR ONLY
USA
1.25" MINOR AXIS NEWTONIAN ASTRONOMY...

$22.99 USD

1.25" MINOR AXIS NEWTONIAN ASTRONOMY...

$22.99 USD

1.25" MINOR AXIS NEWTONIAN ASTRONOMY TELESCOPE SECONDARY MIRROR ONLY
USA
1.25" MINOR AXIS NEWTONIAN ASTRONOMY...

$22.99 USD

1.25" MINOR AXIS NEWTONIAN ASTRONOMY...

$22.99 USD

Vintage EDMUND SCIENTIFIC USA 30-Degree DIAGONAL PRISM
USA
Vintage EDMUND SCIENTIFIC USA...

$14.95 USD

Vintage EDMUND SCIENTIFIC USA...

$14.95 USD

GSO Elliptical Secondary Mirror - 46.5mm
USA
GSO Elliptical Secondary Mirror - 46.5mm

$48.00 USD

GSO Elliptical Secondary Mirror - 46.5mm

$48.00 USD

GSO Elliptical Secondary Mirror - 74mm
USA
GSO Elliptical Secondary Mirror - 74mm

$84.00 USD

GSO Elliptical Secondary Mirror - 74mm

$84.00 USD

First Surface Mirror in Acrylic - 8" x 12" size - 2 pieces - Made in USA
USA
First Surface Mirror in Acrylic - 8"...

$64.99 USD

First Surface Mirror in Acrylic - 8"...

$64.99 USD

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

$80.00 USD

William Optics 1.25" 45 degree...

$80.00 USD

1.5m (60") f/3.75 ZERODUR Research Grade Observatory Telescope Mirror
USA
1.5m (60") f/3.75 ZERODUR Research...

$98,000.00 USD

1.5m (60") f/3.75 ZERODUR Research...

$98,000.00 USD

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

$320.00 USD

Baader T-2 90° Deluxe Astro-Grade...

$320.00 USD

!!! TRADE !!! #### 12 inch THIN EDGE PYREX Telescope Mirror Blank ####
USA
!!! TRADE !!! #### 12 inch THIN...

$310.00 USD

!!! TRADE !!! #### 12 inch THIN...

$310.00 USD

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

$149.99 USD

Meade Series 5000 2" Enhanced...

$149.99 USD

18 INCH Glass Reflector Telescope Mirror Lens Optical Optics 1” Thick BLUE TINT
USA
18 INCH Glass Reflector Telescope...

$1,499.99 USD

18 INCH Glass Reflector Telescope...

$1,499.99 USD

First Surface Mirror in Acrylic - 8" x 8" size - 4 pieces
USA
First Surface Mirror in Acrylic - 8"...

$78.99 USD

First Surface Mirror in Acrylic - 8"...

$78.99 USD

Tele Vue 1.25" 60-deg Everbrite Erect Image Diagonal # DPC-6012
USA
Tele Vue 1.25" 60-deg Everbrite Erect...

$238.95 USD

Tele Vue 1.25" 60-deg Everbrite Erect...

$238.95 USD

Baader 2" Clicklock 90° Star Diagonal w/ Carl Zeiss Spec Prism PRISM-2Z 2456117
USA
Baader 2" Clicklock 90° Star...

$539.00 USD

Baader 2" Clicklock 90° Star...

$539.00 USD

Baader T-2 90° 32mm Prism Diagonal w/ 1.25" Nosepiece / Eyepiece Holder 2456005K
USA
Baader T-2 90° 32mm Prism Diagonal...

$172.00 USD

Baader T-2 90° 32mm Prism Diagonal...

$172.00 USD

Baader 2" 45° Erecting Amici Prism SCT Diagonal w/ 1.25" Adapter # AMICI-45-2...
USA
Baader 2" 45° Erecting Amici Prism...

$239.00 USD

Baader 2" 45° Erecting Amici Prism...

$239.00 USD

GSO Elliptical Secondary Mirror - 68mm
USA
GSO Elliptical Secondary Mirror - 68mm

$68.00 USD

GSO Elliptical Secondary Mirror - 68mm

$68.00 USD

Tele Vue 1.25" 90-deg Enhanced Aluminum Star Diagonal # DSC-0125
USA
Tele Vue 1.25" 90-deg Enhanced...

$134.00 USD

Tele Vue 1.25" 90-deg Enhanced...

$134.00 USD

Wide Angle Telescope Accessories 90 Degree Prism Lightweight Diagonal Mirror
USA
Wide Angle Telescope Accessories 90...

$8.73 USD

Wide Angle Telescope Accessories 90...

$8.73 USD

VINTAGE 36.4MM ASTRONOMY TELESCOPE TERRESTRIAL IMAGE ERECTING PORROPRISM
USA
VINTAGE 36.4MM ASTRONOMY TELESCOPE...

$29.99 USD

VINTAGE 36.4MM ASTRONOMY TELESCOPE...

$29.99 USD

Meade LX Telescope Terrestrial Erecting Prism 07217 NEW
USA
Meade LX Telescope Terrestrial...

$34.95 USD

Meade LX Telescope Terrestrial...

$34.95 USD

8" to 13.1" Optimized Primary Mirror Cell
USA
8" to 13.1" Optimized Primary Mirror...

$140.00 USD

8" to 13.1" Optimized Primary Mirror...

$140.00 USD

Bushnell 1.25" Erecting Prism 780103
USA
Bushnell 1.25" Erecting Prism 780103

$46.99 USD

Bushnell 1.25" Erecting Prism 780103

$46.99 USD

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

$119.00 USD

GSO 2" 90-deg 99% Quartz Dielectric...

$119.00 USD

Baader T-2 Maxbright Dielectric Mirror Diagonal Body # MAX-1 2456100
USA
Baader T-2 Maxbright Dielectric...

$249.00 USD

Baader T-2 Maxbright Dielectric...

$249.00 USD

Erecting Eyepiece 14X Micro Scope T 18mm Eyepiece vintage eye piece
USA
Erecting Eyepiece 14X Micro Scope T...

$15.84 USD

Erecting Eyepiece 14X Micro Scope T...

$15.84 USD

New LOW PRICE #### 12 inch THIN EDGE PYREX Telescope Mirror Blank ####
USA
New LOW PRICE #### 12 inch THIN...

$285.00 USD

New LOW PRICE #### 12 inch THIN...

$285.00 USD

D203F800 Primary mirror +secondary mirror Mirror Set Telescope
China
D203F800 Primary mirror +secondary...

$95.99 USD

D203F800 Primary mirror +secondary...

$95.99 USD

GSO Elliptical Secondary Mirror - 88mm
USA
GSO Elliptical Secondary Mirror - 88mm

$132.00 USD

GSO Elliptical Secondary Mirror - 88mm

$132.00 USD

1.25" 90 Degree Diagonal Adapter Erect Image Zenith Mirror Prism Fully Metal
USA
1.25" 90 Degree Diagonal Adapter...

$39.69 USD

1.25" 90 Degree Diagonal Adapter...

$39.69 USD

Dust Caps for 1.25" Telescope Eyepieces Barlow Lens ect..
USA
Dust Caps for 1.25" Telescope...

$11.99 USD

Dust Caps for 1.25" Telescope...

$11.99 USD