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Telescope Mirrors & Prisms | Surplus Network

4.5" 114mm f/8 Long Tube Telescope Spherical Mirror with 1" Secondary F=900mm
USA
4.5" 114mm f/8 Long Tube Telescope...

$29.95 USD

4.5" 114mm f/8 Long Tube Telescope...

$29.95 USD

Coulter 17.5" Telescope Mirror
USA
Coulter 17.5" Telescope Mirror

$1,275.00 USD

Coulter 17.5" Telescope Mirror

$1,275.00 USD

SVBONY 1.25inch 90° Mirrors Diagonal Refractor Telescopes Fully Metal Astronomy
USA
SVBONY 1.25inch 90° Mirrors Diagonal...

$26.99 USD

SVBONY 1.25inch 90° Mirrors Diagonal...

$26.99 USD

SVBONY 1.25" 45°Correct-Image Prism Diagonal Fully Metal for Refractor Telescope
USA
SVBONY 1.25" 45°Correct-Image Prism...

$33.99 USD

SVBONY 1.25" 45°Correct-Image Prism...

$33.99 USD

SVBONY SV188P 1.25inch 90 Degree Dielectric Mirror Diagonal 99% Reflectivity
USA
SVBONY SV188P 1.25inch 90 Degree...

$47.99 USD

SVBONY SV188P 1.25inch 90 Degree...

$47.99 USD

1.25inch Telescope Zenith Mirror 90-degree fit Eyepiece Astro Telescope Parts
USA
1.25inch Telescope Zenith Mirror...

$19.99 USD

1.25inch Telescope Zenith Mirror...

$19.99 USD

45 Degree Diagonal Prism 1.25"
USA
45 Degree Diagonal Prism 1.25"

$19.99 USD

45 Degree Diagonal Prism 1.25"

$19.99 USD

Mirror Blank For Telescope 18" Diameter 3" Thickness MLDC Coated USED (9156)R
USA
Mirror Blank For Telescope 18"...

$2,850.00 USD

Mirror Blank For Telescope 18"...

$2,850.00 USD

Cave Optical Company 6" F4 Parabolic Mirror Ser. #M705654 September 1970
USA
Cave Optical Company 6" F4 Parabolic...

$140.00 USD

Cave Optical Company 6" F4 Parabolic...

$140.00 USD

3/4" Minor Axis Telescope Secondary Mirror Replacement for 76mm and 114mm scopes
USA
3/4" Minor Axis Telescope Secondary...

$9.99 USD

3/4" Minor Axis Telescope Secondary...

$9.99 USD

OPT 2" MIRROR DIAGONAL DIELECTRIC LENSE WITH SCT THREAD.
USA
OPT 2" MIRROR DIAGONAL DIELECTRIC...

$100.00 USD

OPT 2" MIRROR DIAGONAL DIELECTRIC...

$100.00 USD

DIY Newtonian reflection astronomical telescope Primary Mirror Parabolic Lens
China
DIY Newtonian reflection astronomical...

$241.57 USD

DIY Newtonian reflection astronomical...

$241.57 USD

DIY Newtonian reflection astronomical telescope Spherical Mirror Lens Focal 1300
China
DIY Newtonian reflection astronomical...

$35.18 CAD

DIY Newtonian reflection astronomical...

$35.18 CAD

203mm Parabolic Mirror Lens for Newtonian Reflection Telescope Primary Mirror
China
203mm Parabolic Mirror Lens for...

$370.09 USD

203mm Parabolic Mirror Lens for...

$370.09 USD

305mm Parabolic Mirror Lens for Newtonian Reflection Telescope Primary Mirror
China
305mm Parabolic Mirror Lens for...

$1,202.69 USD

305mm Parabolic Mirror Lens for...

$1,202.69 USD

Short Axis Secondary Mirror for DIY Newtonian Reflecting Astronomical Telescope
China
Short Axis Secondary Mirror for DIY...

$18.04 USD

Short Axis Secondary Mirror for DIY...

$18.04 USD

IOPTRON TELESCOPE OPTICAL MIRROR & SECONDARY FITS SMARTSTAR GOTO REFLECTOR
USA
IOPTRON TELESCOPE OPTICAL MIRROR &...

$69.99 USD

IOPTRON TELESCOPE OPTICAL MIRROR &...

$69.99 USD

Newtonian reflection astronomical telescope Parabolic Lens Dia 135mm Focal 800mm
China
Newtonian reflection astronomical...

$27.54 USD

Newtonian reflection astronomical...

$27.54 USD

Newtonian reflection astronomical telescope High-precision Dia. 160mm Lens F1300
China
Newtonian reflection astronomical...

$27.54 USD

Newtonian reflection astronomical...

$27.54 USD

Orion Off Axis Guider Body for Astrophotography
USA
Orion Off Axis Guider Body for...

$30.00 USD

Orion Off Axis Guider Body for...

$30.00 USD

D203F800/D160 F1300 Primary Mirror + Secondary Mirror Mirrors Set For Telescope
China
D203F800/D160 F1300 Primary Mirror +...

$63.00 USD

D203F800/D160 F1300 Primary Mirror +...

$63.00 USD

Newtonian Reflecting Telescope 203mm Primary Mirror & 70mm Sub Mirror Holder
China
Newtonian Reflecting Telescope 203mm...

$47.50 USD

Newtonian Reflecting Telescope 203mm...

$47.50 USD

ASTROSCAN EDMUND SCIENTIFIC CO. BARRINGTON N.J. AS IS/TELESCOPE WITH STAND.
USA
ASTROSCAN EDMUND SCIENTIFIC CO....

$200.00 USD

ASTROSCAN EDMUND SCIENTIFIC CO....

$200.00 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

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

$63.99 USD

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

$63.99 USD

DIY Newtonian reflection astronomical telescope Mirrors Optical Glass 114mm F900
China
DIY Newtonian reflection astronomical...

$18.99 USD

DIY Newtonian reflection astronomical...

$18.99 USD

GSO 0.965" / 1.25" 45-deg Hybrid Erect-Image Prism Diagonal
USA
GSO 0.965" / 1.25" 45-deg Hybrid...

$34.00 USD

GSO 0.965" / 1.25" 45-deg Hybrid...

$34.00 USD

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

$179.99 USD

Meade Series 5000 2" Enhanced...

$179.99 USD

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

$299.00 USD

Baader T-2 BBHS Dielectric Mirror...

$299.00 USD

60mm Focal Length 410mm Doublet Convex Optical for DIY Achromatic Telescope Lens
China
60mm Focal Length 410mm Doublet...

$27.63 CAD

60mm Focal Length 410mm Doublet...

$27.63 CAD

Parabolic Mirror Lens for Newtonian Reflection Telescope Primary Mirror 203mm
China
Parabolic Mirror Lens for Newtonian...

$379.05 USD

Parabolic Mirror Lens for Newtonian...

$379.05 USD

SVBONY 1.25" 45°Correct-Image Prism Diagonal Fully Metal for Refractor Telescope
USA
SVBONY 1.25" 45°Correct-Image Prism...

$32.99 USD

SVBONY 1.25" 45°Correct-Image Prism...

$32.99 USD

TELESCOPE FIRST SURFACE MIRROR 5-1/4 X 6-1/4 X 1/8" - NOS - FREE USA SHIPPING
USA
TELESCOPE FIRST SURFACE MIRROR 5-1/4...

$32.99 USD

TELESCOPE FIRST SURFACE MIRROR 5-1/4...

$32.99 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 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

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

$169.99 USD

Celestron 2" XLT Diagonal Mirror (for...

$169.99 USD

Celestron Dielectric Star Diagonal with Twist-Lock (1.25-Inch)
USA
Celestron Dielectric Star Diagonal...

$169.99 USD

Celestron Dielectric Star Diagonal...

$169.99 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

OCL - LAPMASTER 24" MACHINE USED LAP PLATE, SUPPORT PLATE, & 2 COND. RINGS
USA
OCL - LAPMASTER 24" MACHINE USED LAP...

$850.00 USD

OCL - LAPMASTER 24" MACHINE USED LAP...

$850.00 USD

Newton Reflecting telescope DIY primary mirror 130mm & secondary flat lens 35mm
China
Newton Reflecting telescope DIY...

$104.38 USD

Newton Reflecting telescope DIY...

$104.38 USD

1PC Large Defective Dichroic Cube Optical Glass Prism for DIY Decoration Physics
China
1PC Large Defective Dichroic Cube...

$17.85 CAD

1PC Large Defective Dichroic Cube...

$17.85 CAD

First Surface Mirror 4x4" Square aluminized 1/8" Thick for Laser printers Sensor
China
First Surface Mirror 4x4" Square...

$10.44 USD

First Surface Mirror 4x4" Square...

$10.44 USD

Edmund Scientific Astroscan Telescope *NO Eyepiece! FOR PARTS/REPAIR!*
USA
Edmund Scientific Astroscan Telescope...

$119.97 USD

Edmund Scientific Astroscan Telescope...

$119.97 USD

LARGE 9.75” TELESCOPE LASER PARABOLIC MIRROR
USA
LARGE 9.75” TELESCOPE LASER...

$395.00 USD

LARGE 9.75” TELESCOPE LASER...

$395.00 USD

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

$300.00 USD

Baader 2" 90° Erecting Amici Prism...

$300.00 USD

High-precision Spherical Lens Newtonian reflection astronomical telescope F750
China
High-precision Spherical Lens...

$33.75 USD

High-precision Spherical Lens...

$33.75 USD

80mm F6.2, F10 Optical Mirrors DIY Newtonian Reflection Astronomical Telescope
China
80mm F6.2, F10 Optical Mirrors DIY...

$35.14 USD

80mm F6.2, F10 Optical Mirrors DIY...

$35.14 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

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

$169.00 USD

William Optics 2" 99% Dielectric Dura...

$169.00 USD

Cassini/Galileo 51 x 35mm Plate Glass Secondary Mirror
USA
Cassini/Galileo 51 x 35mm Plate...

$14.99 USD

Cassini/Galileo 51 x 35mm Plate...

$14.99 USD

76mm F700 Optical Glass Mirrors DIY Newtonian Reflection Astronomical Telescope
China
76mm F700 Optical Glass Mirrors DIY...

$15.95 USD

76mm F700 Optical Glass Mirrors DIY...

$15.95 USD

254mm Parabolic Mirror Lens for Newtonian Reflection Telescope Primary Mirror
China
254mm Parabolic Mirror Lens for...

$721.86 USD

254mm Parabolic Mirror Lens for...

$721.86 USD

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

$158.00 USD

William Optics 2" 99% Dielectric Dura...

$158.00 USD

Takahashi LED 2x Barlow & 3x Barlow Lens
Singapore
Takahashi LED 2x Barlow & 3x Barlow...

$149.00 USD

Takahashi LED 2x Barlow & 3x Barlow...

$149.00 USD

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

$4.95 USD

Meade roof prism set for making...

$4.95 USD

Cave 1.5" Minor Axis Elliptical Diagonal in Holder and Four Vane Spider
USA
Cave 1.5" Minor Axis Elliptical...

$40.00 USD

Cave 1.5" Minor Axis Elliptical...

$40.00 USD

Projection Optics Company East Orange New Jersey Telescope Lens 18" E.F.
USA
Projection Optics Company East Orange...

$40.00 USD

Projection Optics Company East Orange...

$40.00 USD

CELESTRON 45 Degree Erecting Prism Image For 1.25 Inch Telescope 94112-A
USA
CELESTRON 45 Degree Erecting Prism...

$39.00 USD

CELESTRON 45 Degree Erecting Prism...

$39.00 USD

TS-Optics 2" + T2 Flip Mirror + Off Axis Guider System with 360° rotation,TSFlip
Germany
TS-Optics 2" + T2 Flip Mirror + Off...

$169.95 USD

TS-Optics 2" + T2 Flip Mirror + Off...

$169.95 USD

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

$72.00 USD

GSO Elliptical Secondary Mirror - 70mm

$72.00 USD

MINIATURE PARABOLIC OPTICAL MIRROR / # T W2D 2295
Poland
MINIATURE PARABOLIC OPTICAL MIRROR /...

$12.00 USD

MINIATURE PARABOLIC OPTICAL MIRROR /...

$12.00 USD

Newtonian Reflecting Telescope Primary Mirror Base & Short Axis Mirror Holder
China
Newtonian Reflecting Telescope...

$32.27 USD

Newtonian Reflecting Telescope...

$32.27 USD

Achromatic Telescope Lens Focal 410mm Dia. 60mm Doublet Convex Optical for DIY
China
Achromatic Telescope Lens Focal 410mm...

$19.41 USD

Achromatic Telescope Lens Focal 410mm...

$19.41 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

Reflector telescope secondary mirror 35mm minor axis, new, old stock
USA
Reflector telescope secondary mirror...

$18.00 USD

Reflector telescope secondary mirror...

$18.00 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

SVBONY 1.25 inches 90 Degree Zenith Diagonal Mirror for Refractor and CST Teles
USA
SVBONY 1.25 inches 90 Degree Zenith...

$22.99 USD

SVBONY 1.25 inches 90 Degree Zenith...

$22.99 USD

Newton Reflecting telescope DIY primary mirror 203mm & secondary flat lens 70mm
China
Newton Reflecting telescope DIY...

$151.33 USD

Newton Reflecting telescope DIY...

$151.33 USD

Dia. 160mm Spherical Mirror Newtonian reflection astronomical telescope F1280
China
Dia. 160mm Spherical Mirror Newtonian...

$21.55 USD

Dia. 160mm Spherical Mirror Newtonian...

$21.55 USD

Kowa TP-88EC1 Prism Unit w/Box [Excellent] from Japan 06-c71
Japan
Kowa TP-88EC1 Prism Unit w/Box...

$499.00 USD

Kowa TP-88EC1 Prism Unit w/Box...

$499.00 USD

Celestron Dielectric Star Diagonal with Twist-Lock (2-Inch)
USA
Celestron Dielectric Star Diagonal...

$229.99 USD

Celestron Dielectric Star Diagonal...

$229.99 USD

Newtonian Reflecting Telescope 76mm Primary Mirror & 20mm Sub Mirror Holder
China
Newtonian Reflecting Telescope 76mm...

$32.96 USD

Newtonian Reflecting Telescope 76mm...

$32.96 USD

76mm F9 700mm Optical Mirrors DIY Newtonian Reflection Astronomical Telescope
China
76mm F9 700mm Optical Mirrors DIY...

$32.48 USD

76mm F9 700mm Optical Mirrors DIY...

$32.48 USD

Diagonal adapter 1.25
China
Diagonal adapter 1.25''erecting image...

$6.78 USD

Diagonal adapter 1.25''erecting image...

$6.78 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

GSO 1.25" 90 degree Erect Image Amici Prism Diagonal # PD90
USA
GSO 1.25" 90 degree Erect Image Amici...

$32.00 USD

GSO 1.25" 90 degree Erect Image Amici...

$32.00 USD

10PCS Beautiful Damage Prisms Projector Dichroic Prism for Party Home Decor
China
10PCS Beautiful Damage Prisms...

$9.17 USD

10PCS Beautiful Damage Prisms...

$9.17 USD

High-precision Spherical Lens DIY Newtonian Reflection telescope Dia.203 F750
China
High-precision Spherical Lens DIY...

$33.73 USD

High-precision Spherical Lens DIY...

$33.73 USD

24" f/3.3 Sandwich Parabolic Telescope Mirror
Hong Kong
24" f/3.3 Sandwich Parabolic...

$7,500.00 USD

24" f/3.3 Sandwich Parabolic...

$7,500.00 USD

Dia. 114mm reflection Mirrors DIY Newtonian astronomical telescope Optical Glass
China
Dia. 114mm reflection Mirrors DIY...

$64.22 CAD

Dia. 114mm reflection Mirrors DIY...

$64.22 CAD

Elliptical Secondary Mirror for DIY Newtonian Reflecting Astronomical Telescope
China
Elliptical Secondary Mirror for DIY...

$55.10 USD

Elliptical Secondary Mirror for DIY...

$55.10 USD