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Sale
Hardin Telescope 10" f/5 Reflecting Dob Pyrex Mirror & Secondary with Holders
$ 220
$ 132
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Sale
William Optics 2" 99% Dura Bright RotoLock Mirror Diagonal for SCTs # D-DIG2D-RO
$ 88
$ 52.8
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Sale
Edmund Scientific Astroscan Telescope With Stand And Accessories And Eye Pieces
$ 154
$ 92.4
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Sale
Newtonian reflection astronomical telescope Parabolic Lens Dia 135mm Focal 800mm
$ 23.98
$ 14.38
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Sale
1.5m (60") f/3.75 ZERODUR Research Grade Observatory Telescope Mirror
$ 86240
$ 51744
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Sale
D203F800/D160 F1300 Primary Mirror + Secondary Mirror Mirrors Set For Telescope
$ 55.44
$ 33.26
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Sale
Newtonian Reflection Primary Mirror With Scondary Mirror D203mm DIY Telescope
$ 77.82
$ 46.69
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Sale
DIY Newtonian reflection astronomical telescope Primary Mirror Parabolic Lens
$ 212.58
$ 127.54
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Sale
STELLARVUE DIELECTRIC COATED 90 DEGREE MIRROR DIAGONAL 1.25"
$ 70.35
$ 42.21
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Sale
Celestron 2" XLT Diagonal Mirror (for SCT Telescope)
$ 149.59
$ 89.75
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Sale
Parabolic Mirror Lens for Newtonian Reflection Telescope Primary Mirror 203mm
$ 330.05
$ 198.03
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Sale
Edmund Scientific Astroscan Telescope With Stand And Accessories And Eye Pieces
$ 347.6
$ 208.56
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Sale
New LOW PRICE #### 12 inch THIN EDGE PYREX Telescope Mirror Blank ####
$ 250.8
$ 150.47
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Sale
24" f/3.3 Sandwich Parabolic Telescope Mirror
$ 6600
$ 3960
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Sale
D203F750 Primary Mirror + Secondary Mirror Mirror Set Fit Astronomical Telescope
$ 105.58
$ 63.34
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Sale
Edmund Scientific Astroscan Telescope With Stand And Accessories And Eye Pieces
$ 285.12
$ 171.07
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Sale
D203F750 Primary Mirror + Secondary Mirror Mirror Set fit Astronomical Telescope
$ 108.67
$ 65.2
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Sale
203mm Parabolic Mirror Lens for Newtonian Reflection Telescope Primary Mirror
$ 332.68
$ 199.61
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Sale
DIY Newtonian reflection astronomical telescope Mirrors Optical Glass 114mm F900
$ 16.71
$ 10.02
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Sale
6 inch Telescope Mirror blank NOS
$ 35.2
$ 21.12
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Sale
Newtonian reflection astronomical telescope High-precision Dia. 160mm Lens F1300
$ 23.98
$ 14.38
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Sale
Secondary mirror for reflector telescopes
$ 79.2
$ 47.52
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Sale
Primary Mirror For Astronomical Telescope Lens D=114mm 850mm
$ 34.32
$ 20.59
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Sale
High-precision Spherical Lens Newtonian reflection astronomical telescope F750
$ 30.01
$ 18.01
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Sale
SVBONY SV188P 1.25inch 90 Degree Dielectric Mirror Diagonal 99% Reflectivity
$ 42.23
$ 25.33
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Sale
IOPTRON TELESCOPE OPTICAL MIRROR & SECONDARY FITS SMARTSTAR GOTO REFLECTOR
$ 61.59
$ 36.95
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Sale
William Optics SCT Adapter for Standard 2" Diagonal - Black - D-SCT-TA
$ 26.4
$ 15.83
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Large Prism
$ 22
$ 13.2
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Sale
Edmund Scientific AstroScan Telescope and more...
$ 106.48
$ 63.88
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Sale
Dia. 60mm Doublet Convex Optical Lens for DIY Achromatic Telescope Focal 410mm
$ 18.36
$ 11.01
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Sale
GSO 2" 90 deg Mirror Diagonal for SCT Telescope
$ 64.23
$ 38.54
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Sale
SVBONY 1.25" 45°Correct-Image Prism Diagonal Fully Metal for Refractor Telescope
$ 29.91
$ 17.94
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Sale
William Optics 1.25" Dielectric Diagonal W/ Carbon Fiber Plates - D-125D-C-DB
$ 52.79
$ 31.67
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Sale
Large 203mm SPHERICAL Primary Mirror for Astronomical Telescopes (750mm FL)
$ 105.59
$ 63.35
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Sale
Baader 2" Clicklock 90° Star Diagonal w/ Carl Zeiss Spec Prism PRISM-2Z 2456117
$ 484
$ 290.39
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Sale
SVBONY 1.25" Mirrors Diagonal Refractor Telescope Fully Metal 90° Astronomy
$ 23.75
$ 14.25
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Sale
Celestron Dielectric Star Diagonal with Twist-Lock (1.25-Inch)
$ 142.51
$ 85.5
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Sale
Meade #929 2" diagonal mirror for 4" 8" & 10" Schmidt-Cassegrain Telescopes
$ 132
$ 79.2
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Sale
Newtonian Reflection Primary Mirror and Secondary Mirror DIY Telescope
$ 7.24
$ 4.34
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Sale
Projection Optics Company East Orange New Jersey Telescope Lens 18" E.F.
$ 35.2
$ 21.12
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Sale
Meade Telescope Image Erecting Prism Diagonal 45 Degree
$ 26.39
$ 15.83
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Sale
Meade 5000 2in Enhanced Diagonal Mirror with Adapter
$ 131.99
$ 79.19
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Sale
William Optics 1.25" 45 degree Erecting Prism Diagonal # D-EP125
$ 44
$ 26.4
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Sale
Photo Quality Prism + wooden storage box | U.S. Navy |
$ 78.76
$ 47.25
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Sale
Unitron .965" Erecting Prism
$ 39.6
$ 23.76
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Sale
Short Axis Secondary Mirror for DIY Newtonian Reflecting Astronomical Telescope
$ 15.7
$ 9.42
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Sale
Sky Watcher 2 inch Star Diagonal
$ 74.8
$ 44.88
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Sale
Edmund Scientific Astroscan Telescope *NO Eyepiece! FOR PARTS/REPAIR!*
$ 105.57
$ 63.34
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Sale
Baader 1.25" 45° Amici Prism Diagonal # AMICI-45 2956150
$ 81.84
$ 49.1
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Sale
Projection Optics East Orange New Jersey 18" E.F. Large Cooke Lens f/3.6 Beseler
$ 30.75
$ 18.45
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Sale
GSO 1.25" 90 degree Erect Image Amici Prism Diagonal # PD90
$ 28.16
$ 16.89
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Sale
Baader T-2 90° Prism Star Diagonal Body # T2-01C 2456005
$ 115.28
$ 69.16
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Sale
KOWA BINOCULARS 6X30 YF30-6 KOWA JAPAN
$ 87.95
$ 52.77
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Sale
Celestron Image Erecting Prism 1.25" 94112-A
$ 35.15
$ 21.09
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Sale
Cassini/Galileo 51 x 35mm Plate Glass Secondary Mirror
$ 13.19
$ 7.91
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Sale
GSO 2" 90-deg 99% Dielectric Mirror Diagonal for SCT Telescope
$ 88.88
$ 53.32
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Sale
3 1/2 in. Diameter Plano-Convex optical glass Lens/Optic (Single-Sided)
$ 7.04
$ 4.22
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Sale
1PCS NEW For Optolong 2 inch UV IR CUT infrared UV cut filter
$ 65.16
$ 39.09
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Sale
D203F750 Primary Mirror + Secondary Mirror Mirrors Set For Telescope 1Pcs
$ 83.6
$ 50.16
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Sale
Baader T-2 90° Prism Star Diagonal Body w/ Carl Zeiss Spec Prism T2-01B 2456095
$ 239.36
$ 143.61
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Sale
William Optics 1.25" 45 degree Erecting Prism Diagonal # D-EP125
$ 80.08
$ 48.04
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Sale
Celestron Collimated Barlow Diagonal
$ 30.8
$ 18.48
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Sale
William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror Diagonal
$ 139.04
$ 83.42
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Sale
Baader 2" 45° Erecting Amici Prism SCT Diagonal w/ 1.25" Adapter # AMICI-45-2...
$ 210.32
$ 126.19
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Sale
DO NOT LIST - DUPLICATE
$ 39.59
$ 23.75
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Sale
Tele Vue 1.25" 90-deg Everbrite Star Diagonal # DPC-1250
$ 166.32
$ 99.79
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Sale
William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror SCT Diagonal
$ 148.72
$ 89.23
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Sale
Celestron Star diagonal 1.25" prism diagonal (# 94115-A)
$ 44
$ 26.4
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Sale
SCIENTIFICS ASTROSCAN MILLENNIUM TABLETOP PORTABLE TELESCOPE
$ 317.67
$ 190.6
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Sale
Baader 2" 90° Erecting Amici Prism Diagonal w/ 1.25" Adapter # AMICI-2 2956152
$ 264
$ 158.4
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Sale
Main Primary mirror 200mm + Secondary Mirror 70mm Mirror Set for Make Telescopes
$ 140.79
$ 84.47
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Sale
Newtonian Reflector Telescope Spider W/ Secondary Mirror Holder F/ 12" Caliber
$ 78.32
$ 46.99
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Sale
GSO Elliptical Secondary Mirror - 70mm
$ 63.36
$ 38.01
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Sale
Multi-Function Finder scope Dovetail Slots For Optical Telescopes Finderscope
$ 9.67
$ 5.8
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Sale
New D150F750 Primary mirror + secondary mirror Mirror Set Fits For Telescope
$ 54.11
$ 32.46
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Sale
Elliptical Secondary Mirror for DIY Newtonian Reflecting Astronomical Telescope
$ 47.97
$ 28.78
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Sale
Celestron 2-Inch XLT Diagonal Mirror for SCT Telescope
$ 184.26
$ 110.55
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Sale
45 Degree Diagonal Prism 1.25"
$ 17.59
$ 10.55
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Sale
William Optics 1.25" 99% Dielectric DuraBright Carbon Fiber Star Mirror Diagonal
$ 95.04
$ 57.02
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Sale
Astromania 2" SCT 90-Degree Mirror Diagonal with 93% reflectivity Across Visi...
$ 103.96
$ 62.37
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Sale
Astronomical Reflector Telescope Spherical Mirror Lens Accessories D160F1300
$ 103.84
$ 62.3
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Sale
Edmund scientific astro scan telescope portable For parts or repair
$ 224.4
$ 134.63
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Sale
GSO 0.965" / 1.25" 45-deg Hybrid Erect-Image Prism Diagonal
$ 29.92
$ 17.95
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Sale
GSO 0.965" / 1.25" 90-deg Hybrid 99% Dielectric Mirror Diagonal Compression Ring
$ 64.23
$ 38.54
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Sale
D150 F750 Primary mirror + secondary Mirror Set Fit Astronomical Telescope
$ 61.59
$ 36.95
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Sale
First Surface Mirror 4x4" Square aluminized 1/8" Thick for Laser printers Sensor
$ 9.18
$ 5.51
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Sale
2-Inch XLT Diagonal Mirror for SCT Telescope 2” SCT mirror diagonal with high pe
$ 149.55
$ 89.73
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Sale
D203F800 Primary mirror + secondary mirror Mirror Set for Astronomical Telescope
$ 112.64
$ 67.58
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Sale
New Medicool health & Beauty Examination mirror for hard to see areas & diabetic
$ 2.63
$ 1.57
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Sale
45-Degree Erecting Image Zenith Mirro With Dust cover Z9E7 C7X7
$ 17.8
$ 10.68
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Sale
!!! TRADE !!! #### 12 inch THIN EDGE PYREX Telescope Mirror Blank ####
$ 272.8
$ 163.68
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Sale
Telescope Secondary Mirror 2.76 inch
$ 132
$ 79.2
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Sale
Orion 90° Prism 1.25" Star Diagonal Telescope Astronomy
$ 17.6
$ 10.56
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Sale
3/4" Minor Axis Telescope Secondary Mirror Replacement for 76mm and 114mm scopes
$ 8.79
$ 5.27
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Sale
S8173 mirror for solar positioning, solar energy observation solar search
$ 36.08
$ 21.64
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Sale
Baader 2" Clicklock Mirror Star Diagonal for Telescope # CLDIAG-2 2956100
$ 271.92
$ 163.15
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Sale
D150F750 Newtonian Reflective Astronomical Telescope Professional 150750 Primary
$ 78.32
$ 46.99
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Sale
Short Axis Secondary Mirror for DIY Newtonian Reflecting Astronomical Telescope
$ 50.06
$ 30.03
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Sale
Newton Reflecting telescope DIY primary mirror 203mm & secondary flat lens 70mm
$ 134.58
$ 80.75
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Sale
Primary Mirror + Secondary Mirror Set Fit D203F800 Astronomical Telescope
$ 103.84
$ 62.3
See Details
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Antiques
Art
Baby
Business & Industrial
Categories
Cameras & Photo
Clothing, Shoes & Accessories
Coins & Paper Money
Collectibles
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Sports Mem, Cards & Fan Shop
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