+ 10 Inch Primary Telescope Mirror + F / 4.5 + Removed from a Meade DS-10 +
$149.00
+ 2.25 Inch Secondary Telescope Mirror With Built-In Holder Assembly +
$63.79
Vintage TELESCOPE MIRROR BLANK 10" x 1 3/4" BLANK New In Box
$199.95
D203F800 Primary mirror + secondary mirror Mirror Set for Telescope
$119.99
Telescope primary mirror from kit scope
$69.00
Bresser 8" 203mm f/5 Telescope Mirror & Holder Cell - Excellent Condition
$99.95
Cassini PM-160 - Telescope PRIMARY MIRROR : 160mm
$69.99
Vintage TELESCOPE MIRROR BLANK 10" x 1 3/4" BLANK New In Box
$142.50
Celestron telescope cassegrain C5 .965" 90 degree prism diagonal Towa 1977 JAPAN
$0.35
parabolic mirror PRIMARY & SECONDARY 5 INCH
$47.50
GSO Parabolic Primary Mirror - 10" f/5
$266.22
1.25 Inch 45 Degree Erecting Image Star Diagonal Prism For Refractor New
$10.00
Meade 130mm 5.1" f/5 F=650mm Telescope Mirror Set with Holders Excellent Condit
$49.95
Meade Flip-Mirror System Model 644 UHTC (Japan)
$68.95
Vintage TELESCOPE MIRROR BLANK 10" x 1 3/4" BLANK New In Box Pyrex
$179.00
Dove Prism, Clear, Unmounted, Invert or Retroreflect, 1954 Mfg for US Ordnance
$15.00
Meade 1.25"/.965" #917 Hybrid Diagonal Mirror for Telescope
$25.95
NEW 120mm SPHERICAL PRIMARY MIRROR + CELL FOR ASTRONOMICAL REFLECTOR TELESCOPE
$29.99
D150 F750 Primary mirror + secondary mirror Mirror Set For Telescope
$80.75
2" telescope focus housing--refurbished
$16.99
1PC D203F800 Primary mirror +70mm secondary mirror Mirror Set Telescope #5400 ZX
$118.00
GSO Parabolic Primary Mirror - 12" f/5
$491.13
90 - degree erecting diagonal mirror for refractor telescopes & 1.25" eyepieces
$9.00
GSO 12" f/5 Parabolic Primary and 70mm Secondary Mirror Set for Telescope
$532.44
GSO 10" f/5 Parabolic Primary and 62.5mm Secondary Mirror Set for Telescope
$302.94
8" f/6 Discovery telescope mirror. with 1.55" secondary mirror
$329.00
GSO 6" f/8 Parabolic Primary and 31mm Secondary Mirror Set for Telescope
$133.11
GSO 8" f/4 Parabolic Primary and 70mm Secondary Mirror Set for Telescope
$261.63
D203F800 Primary mirror + secondary mirror Mirror Set for Telescope
$116.49
GSO 12" f/4 Parabolic Primary and 88mm Secondary Mirror Set for Telescope
$720.63
Optical Glass Triangular Prism, 2" x 2" (Pack of: 1) - PP-06253
$6.82
Meade roof prism set for eyepiece, telescope experiment
$3.95
Telescope PRIMARY MIRROR + CELL : 102mm
$19.99
D203F800 Primary Mirror + Secondary Mirror - Mirror Set for Telescope
$115.99
GSO 2" 90 deg Mirror Diagonal for SCT Telescope
$67.00
1.25 45 Degree Erecting Image Diagonal Prism Zenith Mirror Refractor
$18.99
EDMOND OPTICS - Parabolic Mirror - 3" f/6
$155.00
Meade 5000 2in Enhanced Diagonal Mirror with Adapter
$149.00
Telescope Mirror Blank, 2 each, 4 inch diameter
$28.00
GSO Elliptical Secondary Mirror - 50mm
$45.90
GSO Parabolic Primary Mirror - 8" f/6
$188.19
GSO 1.25" 90-deg Mirror Star Diagonal for Refractor Telescope # GSST
$28.00
GSO Parabolic Primary Mirror - 6" f/8
$105.57
GSO Elliptical Secondary Mirror - 74mm
$75.28
GSO 1.25" 90-deg 99% Dielectric Mirror Diagonal with Compression Ring - NEW
$64.00
Tele Vue 1.25" 90-deg Everbrite Star Diagonal # DPC-1250
$130.00
1.25" Screw Combined Diagonal+45°Erecting Image Eyepiece for Refractor Telescope
$25.66
6 Inch Telescope Mirror Blank
$50.00
Orion 5-in refractor, optical tube and finder only!
$250.00
GSO 8" f/6 Parabolic Primary and 50mm Secondary Mirror Set for Telescope
$211.14
SVBONY 1.25"Erecting Prism Eyepiece 45°Erecting Image for Refractor Telescope US
$25.19
GSO 2" 90-deg 99% Dielectric Mirror Diagonal for SCT Telescope
$92.00
Bresser 130mm f/7.7 Long Tube Spherical Telescope Primary Mirror with Holder
$29.95
1.25" 45-Degree Zenith Mirror Prism Diagonal Adapter for Telescope Eyepiece US
$12.50
Orion Enhanced Aluminum 1.25” Diagonal
$89.95
1.25" Screw Combined Diagonal w/45Deg Eyepieces Image for Refractor Telescope US
$26.99
Dennis Rech’s 24” Mirror-O-Matic Mirror Making Machine
$500.00
12.5" x 0.811" telescope mirror blank made from fused quartz
$275.00
Baader 2" 90° Erecting Amici Prism Diagonal w/ 1.25" Adapter # AMICI-2 2956152
$300.00
GSO Elliptical Secondary Mirror - 46.5mm
$44.06
ORION 2" MIRROR DIAGONAL FOR ASTRONOMICAL TELESCOPE - FREE USA SHIPPING
$69.99
GSO 2" 90 deg Mirror Diagonal for Refractor Telescope
$67.00
SET OF 5! Telescope SECONDARY MIRRORS for the Telescope Builder 40mm X 28 mm
$29.99
Dove Prism, Mounted, Black, Invert or Retroreflect, 75.5mm L x 18.2mm W/Tall
$20.00
GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for Refractor Telescope
$109.00
Celesteon 90 Degree Erect Image Diagonal 1-1/4” Model #94108
$23.50
2" TELESCOPE MIRROR DIAGONAL - FREE USA SHIPPING
$54.99
Tele Vue 1.25" 90-deg Everbrite Star Diagonal # DPC-1250
$180.00
1.25" 90-degree Telescope Zenith Mirror for Eyepiece Astronomy Zenith Mirror US
$15.08
GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for SCT Telescope
$109.00
GSO 0.965" / 1.25" 90-deg Hybrid Mirror Star Diagonal
$30.00
Telescope Mirror blanks and mirror cell
$150.00
William Optics 2" 99% Dura Bright RotoLock Mirror Diagonal for Refractors
$200.00
ORION 1.25" 45 DEGREE ERECT IMAGE TELESCOPE DIAGONAL - FREE USA SHIPPING
$29.99
GSO Elliptical Secondary Mirror - 104mm
$151.47
Galileo Newtonian Reflector Telescope FS-120 stand and lenses included
$99.99
Meade Series 5000 2" Enhanced Dielectric Diagonal with SCT Adapter # 07680
$150.00
GSO Elliptical Secondary Mirror - 68mm
$61.51
GSO 2" 90-deg 99% Dielectric Mirror Diagonal for Refractor Telescope
$92.00
GSO Elliptical Secondary Mirror - 62.5mm
$55.08
Cassini PM-135 - Telescope Spherical PRIMARY MIRROR : 135mm
$49.99
Baader 1.25" 45° Amici Prism Diagonal # AMICI-45 2956150
$93.00
GSO 1.25" 90 degree Erect Image Amici Prism Diagonal # PD90
$29.50
Baader 2" Clicklock BBHS Dielectric Mirror Star Diagonal # MAX-2S 2456115
$499.00
GSO Elliptical Secondary Mirror - 70mm
$64.26
GSO Parabolic Primary Mirror - 8" f/4
$211.14
Baader 2" Clicklock Mirror Star Diagonal for Telescope # CLDIAG-2 2956100
$309.00
Baader T-2 90° Deluxe Astro-Grade Amici Prism Diagonal Body # AMICI-DX1 2456130
$320.00
GSO Elliptical Secondary Mirror - 31mm
$36.72
GSO 6" f/5 Parabolic Primary and 50mm Secondary Mirror Set for Telescope
$165.24
GSO Parabolic Primary Mirror - 12" f/4
$619.65
BRAND NEW 120mm SPHERICAL PRIMARY MIRROR FOR ASTRONOMICAL REFLECTOR TELESCOPE
$39.99
William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror Diagonal
$139.00
GSO 6" f/6 Parabolic Primary and 50mm Secondary Mirror Set for Telescope
$174.42
2 pc Set! 80mm Spherical Primary Mirror+ Cell & 31mmX22mm Secondary Mirror+ Cell
$29.99
Diagonal adapter 1''erecting image prism astronomical telescopes eyepiece BILU
$8.29
Celestron 1.25" 45-deg Erect Image Diagonal # 94112-A
$35.95
Cassini ERFB - 1.25" FORMAT 2X FLIP BARLOW LENS+ ERECTING DIAGONAL PRISM
$49.99
GSO Parabolic Primary Mirror - 6" f/5
$133.11
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Binoculars work very well (here the tiny lens in the iPhone is an advantage, as it can peer through small spaces), as do telescopes. But you can also use camera lenses ... which use prisms to reflect the light, they use mirrors in the center of the ...
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