100
GSO Parabolic Primary Mirror - 8" f/6
$205.00 Buy It Now 27d
Coulter Mirror 10 1/4 inch F 4.5
$299.95 Buy It Now 28d
GSO 8" f/6 Parabolic Primary and 50mm Secondary Mirror Set for Telescope
$235.00 Buy It Now 4d
Unfinished Telescope Mirror( Borosilicate ) Pyrex 10x3.5 ) inches
$165.00 Buy It Now 29d
17.5 inch f/4.5 Coulter Optical Parabolic Telescope Mirror
$1,750.00 or Best Offer 4d
12 1/2 inch (320mm x 45mm) Primary Parabolic F6, telescope mirror
$490.00 Buy It Now 4d
2.5" Edmund Telescope Newtonian Mirror & Secondary - Great Value! Hard to Find!
$8.95 Buy It Now 18d
Parks Optical 45 Degree Erecting 1.25" Telescope Diagonal
$12.95 Buy It Now 2d
GSO 6" f/8 Parabolic Primary and 31mm Secondary Mirror Set for Telescope
$150.00 Buy It Now 10d
GSO 10" f/5 Parabolic Primary and 62.5mm Secondary Mirror Set for Telescope
$335.00 Buy It Now 11d
Cassini PM-120 - Telescope PRIMARY MIRROR : 120mm
$39.99 Buy It Now 18d
18 inch F/4 Ultralight Parabolic Dobsonian Telescope Mirror
$1,950.00 or Best Offer 27d
GSO Parabolic Primary Mirror - 6" f/8
$117.00 Buy It Now 19d
Meade 5000 2in Enhanced Diagonal Mirror with Adapter
$129.95 Buy It Now 28d
10" Telescope Primary Mirror
$91.00 2 Bids 1d
24" f/4.1 Parabolic Telescope Mirror
$3,500.00 or Best Offer 11d
Orion 8727 2-Inch Dielectric Mirror Star Diagonal
$119.95 Buy It Now 20d
16.2" Dia. x3.5" Telescope Optics Optical Blank Mirror Glass Pyrex Borosilicate.
$1,099.00 or Best Offer 14d
40 inch Concave Perkin Elmer Mirror / Collimator on stand
$35,000.00 or Best Offer 3d
Celestron 2" XLT Diagonal Mirror (for SCT Telescope)
$134.95 Buy It Now 10d
40 INCH DIA O'Hara E6 OPTICAL GLASS TELESCOPE MIRROR BLANK
$39,000.00 or Best Offer 11h
Lumicon 1.25" Telescope Eyepiece Diagonal
$45.00 Buy It Now 17d
GSO 12" f/5 Parabolic Primary and 70mm Secondary Mirror Set for Telescope
$590.00 Buy It Now 19d
William Optics 1.25" 90-deg Erecting Prism Diagonal w/ Helical Focusing D-EP90-1
$71.00 Buy It Now 10d
6-inch telescope mirror blank; Corning Pyrex borosilicate glass
$24.95 0 Bids or Buy It Now 4d
MILITARY GRADE telescope mirror FROM ENGINEER'S ESTATE
$99.99 0 Bids 6d
GSO 2" 90-deg 99% Dielectric Mirror Diagonal for Refractor Telescope
$101.00 Buy It Now 2d
Telescope Secondary Mirror and Curved Spider Vane
$150.00 or Best Offer 9d
8-inch telescope mirror blank; PYREX borosilicate glass
$69.95 0 Bids or Buy It Now 4d
1.5m (60") f/3.75 ZERODUR Research Grade Observatory Telescope Mirror
$79,000.00 or Best Offer 1d
90" Prism Diagonal For Astronomical Telescope
$23.99 Buy It Now 24d
6-inch telescope mirror blank; partially worked
$24.95 0 Bids or Buy It Now 4d
Telescope mirror blank; 8-inch Corning Pyrex borosilicate glass
$74.95 0 Bids or Buy It Now 4d
GSO Parabolic Primary Mirror - 10" f/5
$293.00 Buy It Now 11d
8 INCH TELESCOPE MIRROR BLANK Borosilicate ( Pyrex )
$99.00 Buy It Now 23d
GSO Elliptical Secondary Mirror - 62.5mm
$60.00 Buy It Now 11d
GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for Refractor Telescope
$119.00 Buy It Now 26d
8” uncoated pyrex mirror f-8 figured by Herring
$152.50 7 Bids 1d
Tele Vue 1.25" 90-deg Everbrite Star Diagonal # DPC-1250
$180.00 Buy It Now 29d
GSO Parabolic Primary Mirror - 6" f/5
$148.00 Buy It Now 19d
GSO 8" f/5 Parabolic Primary and 62.5mm Secondary Mirror Set for Telescope
$270.00 Buy It Now 11d
GSO 2" 90 deg Mirror Diagonal for SCT Telescope
$73.00 Buy It Now 9d
Dust Caps for 1.25" Telescope Eyepieces Barlow lens or Other Accessories - 5 ...
$13.01 Buy It Now 8d
Tele Vue 1.25" 90-deg Enhanced Aluminum Star Diagonal # DSC-0125
$134.00 Buy It Now 29d
instruments 07680 series 5000 2-inch enhanced dielectric diagonal mirror with
$168.98 Buy It Now 29d
Dust Caps for 1.25" Telescope Eyepieces Barlow lens or Other Accessories
$12.43 Buy It Now 25d
10-inch telescope mirror blank, Corning fused silica
$109.95 0 Bids or Buy It Now 9d
GSO 0.965" / 1.25" 90-deg Hybrid Mirror Star Diagonal
$33.00 Buy It Now 8d
Cassini PM-80 - Telescope PRIMARY MIRROR : 80mm
$19.99 Buy It Now 18d
6-inch telescope mirror blank; United Lens Pyrex borosilicate glass
$28.95 1 Bid 4d
GSO Parabolic Primary Mirror - 8" f/5
$220.00 Buy It Now 11d
OPT 2" Mirror Diagonal Dielectric
$109.99 Buy It Now 23d
GSO 8" f/4 Parabolic Primary and 70mm Secondary Mirror Set for Telescope
$290.00 Buy It Now 19d
6” uncoated mirror f-8
$8.95 0 Bids 2d
GSO Parabolic Primary Mirror - 6" f/6
$158.00 Buy It Now 14d
2 Inch Mirror Diagonal
$49.95 Buy It Now 14d
3.1 inch / 80mm telescope mirror cell
$27.00 0 Bids 9d
William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror Diagonal
$139.00 Buy It Now 8d
Tele Vue 1.25" 45-deg Erect Image Prism Diagonal # AMI-0011
$66.00 Buy It Now 29d
GSO 2" 90 deg Mirror Diagonal for Refractor Telescope
$73.00 Buy It Now 21d
William Optics 1.25" 90-deg Erecting Prism Diagonal Helical Focusing M-P90
$76.00 Buy It Now 15h
Honeywell TS34C-M Wireless Long Range Remote Temp Sensor (ts34cm)
$23.29 Buy It Now 22d
Not quite 10-inch telescope mirror blank, Corning fused silica
$124.95 0 Bids or Buy It Now 9d
Baader T-2 BBHS Dielectric Mirror Diagonal Body # MAX-1S 2456103
$292.00 Buy It Now 18d
D= 114mm Spherical Primary + 35mm Secondary Mirror Set for Telescope #Z951 ZY
$85.50 Buy It Now 28d
GSO 10" f/4 Parabolic Primary and 88mm Secondary Mirror Set for Telescope
$600.00 Buy It Now 1d
Celestron 1.25" Telescope Star Diagonal # 94115-A
$35.95 Buy It Now 16d
GSO 12" f/4 Parabolic Primary and 88mm Secondary Mirror Set for Telescope
$800.00 Buy It Now 11d
16" f/4.5 Sandwich Parabolic Telescope Mirror
$900.00 Buy It Now 18d
1.3 inch diagonal telescope mirror and holder and spider
$37.00 0 Bids 9d
3/4 inch telescope mirror diagonal and holder and spider
$37.00 0 Bids 9d
Celestron 2-Inch XLT Diagonal Mirror (for SCT Telescope)
$139.65 Buy It Now 28d
GSO 6" f/5 Parabolic Primary and 50mm Secondary Mirror Set for Telescope
$185.00 Buy It Now 4d
GSO Elliptical Secondary Mirror - 31mm
$41.00 Buy It Now 9d
GSO Parabolic Primary Mirror - 12" f/5
$545.00 Buy It Now 14d
8 inch telescope alignment mirror in cell - military specs - optical flat
$495.00 or Best Offer 8d
Gosky 1.25 -inch 45 Degree Erecting Image Star Diagonal Prism for Refractor and
$21.80 Buy It Now 13d
Dust Caps for 1.25" Telescope Eyepieces Barlow lens or Other Accessories - 5 and
$12.83 Buy It Now 8d
Meade Instruments 07680 Series 5000 2-Inch Enhanced Dielectric Diagonal Mirror
$157.29 Buy It Now 20d
Orion 8850 2-Inch Refractor Telescope Mirror Diagonal
$107.71 Buy It Now 27d
Telescope Mirror blanks and mirror cell
$150.00 or Best Offer 19d
GSO Parabolic Primary Mirror - 6" f/4
$219.00 Buy It Now 19d
Vintage Sears Telescope Porro Prism Image Erector
$12.00 Buy It Now 6d
6 1/2" tasco telescope in original box
$65.00 or Best Offer 13d
DOW CORNING Ultra Low Expansion Glass ULE 7 1/8 X 2.0 Inch Mirror Blank
$250.00 Buy It Now 11d
Meade #928 1.25" 45 degree Erect Image Diagonal Prism # 07217
$40.00 Buy It Now 21d
GSO 6" f/6 Parabolic Primary and 50mm Secondary Mirror Set for Telescope
$195.00 Buy It Now 4d
Celestron 2-Inch XLT Diagonal Mirror (for SCT Telescope)
$132.68 Buy It Now 10d
Cassini SM-3122 - Telescope SECONDARY MIRROR : 31mm X 22mm
$10.95 Buy It Now 1d
Celestron 2" SCT Mirror Diagonal with XLT coating # 93527
$129.95 Buy It Now 17d
Orion 8879 1.25-Inch Enhanced Mirror Star Telescope Diagonal
$105.44 Buy It Now 11d
GSO Parabolic Primary Mirror - 8" f/4
$230.00 Buy It Now 19d
GSO Parabolic Primary Mirror - 10" f/4
$485.00 Buy It Now 10d
114mm Parabolic Primary and 25mm Secondary Mirror Set for Telescope #Z952 ZY
$79.78 Buy It Now 28d
Tele Vue 2" 90-deg Enhanced Aluminum Star Diagonal # DSC-8001
$220.00 Buy It Now 4d
GSO 6" f/4 Parabolic Primary and 62.5mm Secondary Mirror Set for Telescope
$265.00 Buy It Now 19d
The Lumicon 2" Enhanced Aluminum Diagonal
$99.95 Buy It Now 6d
Black Rouge 0.2 micron Ultrafine Polishing Compound 8 oz.
$15.00 or Best Offer 6d
4.5 inch mirror cell, push/pull
$30.00 0 Bids 9d
GSO Parabolic Primary Mirror - 12" f/4
$690.00 Buy It Now 11d