Cameras & Photo Binoculars & Telescopes Telescope Parts & Accessories Telescope Mirrors & Prisms
Tele Vue 1.25 Prism Star Diagonal
$48.00
Meade Instruments 07680 Series 5000 2-Inch Enhanced Dielectric Diagonal Mirro...
$89.00
Shrine Manon refractor eyepiece .965" porro prism Apollo Labs 1960s Japan
$0.35
Carton Optical Company telescope refractor diagonal .965" 90 degree prism JAPAN
$0.35
Galileo telescope reflector FS-102MOH 102mm f/900mm matching mirrors in cells
$0.35
ORION 8757 Erecting PRISM for 1.25" telescope eyepiece
$24.99
Asteroid Gives Earth Record-Setting Close Shave Today: How to Watch Online
Through such optical aids, the asteroid will appear as a point of light streaking across the sky at a ... Observatory in Spain where amateur astronomers first discovered asteroid 2012 DA14 in February 2012. [Full asteroid flyby webcast shows and schedule ...
Magnifi Case Turns Microscopes And Telescopes Into iPhone Lenses
If Kickstarter were a forest, you wouldn’t be able to see it for all the iPhone camera ... telescope, or binoculars and clamp it shut. You now have a giant telephoto lens through which you can take shots using any of your iPhone photo apps.
Night-sky photos are easier than you think
You may not produce photos to rival the Hubble telescope's ... Jim Todd says there are typically six to 12 telescopes at each location. Attendees are encouraged to bring their own telescopes, binoculars and cameras, and to talk to other amateur astronomers.
Magnifi case connects iPhone to binoculars, microscopes and telescopes
The list of add-ons that let you to tinker with the photo taking capabilities ... an eye-piece such as binoculars, microscopes or telescopes. Using a similar approach to iPhone adapters for digital SLRs, Magnifi aligns the camera on your iPhone 4 / 4S ...
6 Gorgeous, High-End Smartphone Accessories Your Phone Secretly Dreams Of
Want to show your friends some photos ... binoculars, telescopes, microscopes, and spotting scopes. Once mounted, you can use your smartphone’s screen to view and take photographs of anything you can see through the lens. Imagine telescope ...
GSO 16" f/4.5 Parabolic Primary 
$600.00
Telescope PRIMARY MIRROR + CELL : 102mm
$19.99
telescope primary mirror
$500.00
Cassini PM-160 - Telescope PRIMARY MIRROR : 160mm
$69.99
Celestron 45 Degree Erect Image Diagonal .96" #94111-A
$18.99
Bresser 150mm 6" Parabolic Mirror Kit with Secondary & Holders - NEW!
$99.95
Meade 2" Diagonal
$60.00
2" mirror star diagonal SDG- 000 1 Tele Vue
$99.00
Bresser 130mm f/7.7 Long Tube Spherical Telescope Mirror Set with Holders
$49.95
10 Inch TELESCOPE MIRROR BLANK, 3/4" annealed glass, precision waterjet cut
$60.00
Mirror Diagonal, Quartz, 99% Dielectric, HIGH POINT
$89.00
Cassini PM-135 - Telescope PRIMARY MIRROR : 135mm
$49.99
GSO 8" f/6 Parabolic Primary and 50mm Secondary Mirror Set for Telescope
$235.00
Meade 5000 2in Enhanced Diagonal Mirror with Adapter
$129.00
Meade Diagonal Prism 07202 (1.25") 918A
$24.95
1" Minor Axis Telescope Secondary Mirror Replacement Part for 114mm Scopes - NEW
$9.99
Meade roof prism set for eyepiece, telescope experiment
$3.95
Cassini PM-80 - Telescope PRIMARY MIRROR : 80mm
$19.99
Diagonal adapter 1.25''erecting image prism for astronomical telescope eyepiece.
$4.89
16" Astrositall Telescope Mirror Blank Low Expansion
$950.00
25" x 2" telescope mirror blank made from fused quartz
$3,500.00
Diagonal adapter 1.25''erecting image prism astronomical telescopes eyepiece HV
$7.17
William Optics telescope accessory. 1.25" Dielectric Diagonal
$85.00
Diagonal adapter 1.25''erecting image prism astronomical telescopes eyepiece SY
$4.21
40 inch Concave Perkin Elmer Mirror / Collimator on stand
$6,000.00
40 INCH DIA O'Hara E6 OPTICAL GLASS TELESCOPE MIRROR BLANK
$39,000.00
1.25'' 45° Diagonal Adapter Zenith Mirror Prism for Astronomy Telescope Eyepiece
$12.21
1.5m (60") f/3.75 ZERODUR Research Grade Observatory Telescope Mirror
$98,000.00
GSO Parabolic Primary Mirror - 8" f/6
$205.00
Fused quartz 20" Diameter x 1.75" mirror blank
$1,950.00
Telescope PRIMARY MIRROR
$450.00
GSO 10" f/5 Parabolic Primary and 62.5mm Secondary Mirror Set for Telescope
$335.00
8" f/8 Discovery Parabolic Mirror
$295.00
Baader 2" 90° Erecting Amici Prism Diagonal w/ 1.25" Adapter # AMICI-2 2956152
$300.00
GSO Parabolic Primary Mirror - 8" f/5
$220.00
GSO 16" f/4.5 Parabolic Primary and 88mm Secondary Mirror Set for Telescope
$1,420.00
Black Rouge 0.2 micron Ultrafine Polishing Compound 8 oz.
$12.00
GSO 12" f/5 Parabolic Primary and 70mm Secondary Mirror Set for Telescope
$590.00
Diagonal adapter 1''erecting image prism for astronomical telescope eyepiece
$4.63
Baader T-2 90° Prism Star Diagonal Body # T2-01C 2456005
$131.00
Baader 2" Clicklock Mirror Star Diagonal for Telescope # CLDIAG-2 2956100
$309.00
Celestron 2" SCT Mirror Diagonal with XLT coating # 93527
$139.95
William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror Diagonal
$139.00
!!! TRADE !!! #### 12 inch THIN EDGE PYREX Telescope Mirror Blank ####
$310.00
Telescope Mirror blanks and mirror cell
$150.00
GSO Parabolic Primary Mirror - 16" f/4.5
$1,300.00
Baader 2" Clicklock 90° Star Diagonal w/ Carl Zeiss Spec Prism PRISM-2Z 2456117
$550.00
GSO 6" f/8 Parabolic Primary and 31mm Secondary Mirror Set for Telescope
$150.00
William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror SCT Diagonal
$158.00
GSO Elliptical Secondary Mirror - 31mm
$41.00
Meade 07680 Series 5000 2-Inch Enhanced Dielectric Diagonal Mirror with Schmidt-
$149.99
GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for Refractor Telescope
$119.00
GSO Parabolic Primary Mirror - 10" f/5
$293.00
Meade Series 5000 2" Enhanced Dielectric Diagonal with SCT Adapter # 07680
$150.00
Meade #932 1.25" 45-deg Erect-Image Prism Diagonal for ETX90/105/125 # 07210
$34.95
8 INCH TELESCOPE MIRROR OPTICAL BLANK WITH BEVELED EDGES
$65.00
1.25'' 45-Degree Zenith Diagonal Adapter for Astronomical Telescope Eyepiece US
$14.09
Baader T-2 90° 32mm Prism Diagonal w/ 1.25" Nosepiece / Eyepiece Holder 2456005K
$172.00
Tele Vue Diagonal Mirror
$199.99
GSO 8" f/5 Parabolic Primary and 62.5mm Secondary Mirror Set for Telescope
$270.00
GSO 0.965" / 1.25" 90-deg Hybrid Mirror Star Diagonal
$33.00
GSO Parabolic Primary Mirror - 12" f/5
$545.00
GSO 1.25" 90-deg 99% Dielectric Mirror Diagonal with Compression Ring - NEW
$69.00
GSO 1.25" 90-deg Mirror Star Diagonal for Refractor Telescope # GSST
$31.00
GSO 2" 90 deg Mirror Diagonal for SCT Telescope
$73.00
Baader T-2 90° Deluxe Astro-Grade Amici Prism Diagonal Body # AMICI-DX1 2456130
$320.00
6 INCH TELESCOPE MIRROR BLANK, 3/4" thick annealed glass, precision waterjet cut
$37.00
1.25" Telescope Star Diagonal 45 Degrees
$34.99
GSO 12" f/4 Parabolic Primary and 88mm Secondary Mirror Set for Telescope
$800.00
GSO Elliptical Secondary Mirror - 62.5mm
$60.00
Baader 2" Clicklock BBHS Dielectric Mirror Star Diagonal # MAX-2S 2456115
$499.00
GSO Parabolic Primary Mirror - 12" f/4
$690.00
GSO 6" f/5 Parabolic Primary and 50mm Secondary Mirror Set for Telescope
$185.00
6. 0'' ZerodurTelescope Mirror Blank
$350.00
GSO Elliptical Secondary Mirror - 50mm
$51.00
GSO Elliptical Secondary Mirror - 104mm
$168.00
GSO 1.25" 90 degree Erect Image Amici Prism Diagonal # PD90
$32.00
GSO Parabolic Primary Mirror - 6" f/5
$148.00
Baader T-2 90° Prism Star Diagonal Body w/ Carl Zeiss Spec Prism T2-01B 2456095
$272.00
Celestron 2" XLT Diagonal Mirror (for SCT Telescope)
$159.95
New Brand 2Inch 90-deg Dielectric Mirror Diagonal for Astronomical Telescope
$46.56
Meade Series 5000 2” Enhanced Dielectric Diagonal Mirror with SCT Adapter
$160.00
Explore Scientific 99% Dielectric 2" Diagonal for Telescope # DD02-00CF
$139.99
Meade #933 1.25" 45-deg Erect-Image Prism Diagonal for ETX60/70/80AT # 07220
$42.95
APM 2" Fast Lock Star Mirror Diagonal for Telescope w/ 99% Dielectric Coatings
$172.00
Baader 1.25" 45° Amici Prism Diagonal # AMICI-45 2956150
$93.00
GSO Elliptical Secondary Mirror - 70mm
$72.00
Meade #928 1.25" 45 degree Erect Image Diagonal Prism # 07217
$29.95
GSO Elliptical Secondary Mirror - 80mm
$102.00
Meade Instruments Series 5000 2-in Enhanced Dielectric Diagonal Mirror W/
$167.66
BRAND NEW 120mm SPHERICAL PRIMARY MIRROR FOR ASTRONOMICAL REFLECTOR TELESCOPE
$39.99
GSO 2" 90 deg Mirror Diagonal for Refractor Telescope
$73.00
GSO Parabolic Primary Mirror - 6" f/8
$117.00
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How to Photograph the Rare Transit of Venus Safely
The basic requirements for photographing the transit with a digital camera are very ... and Orion Telescopes & Binoculars. Make sure the filter is securely mounted on the front of your telephoto lens or telescope. Color-negative or slide film, smoked ...
Here's how to photograph Venus and the sun safely
The basic requirements for photographing the transit with a digital camera are very much the same as those for imaging sunspots or a partial solar eclipse ... be sure to use a fully charged battery. Keep a spare one as backup since the event can last ...
Sunday Solar Eclipse: How to Safely Photograph the 'Ring of Fire'
If you're planning to shoot this weekend's eclipse with a digital camera, particularly ... Kendrick Astro Instruments, or Orion Telescopes & Binoculars, and fit them securely in front of your equipment. 2. Use a telescope or telephoto lens with a focal ...
How to safely photograph the solar 'ring of fire' eclipse
If you're planning to shoot this weekend's eclipse with a digital camera ... (Photo Guide)] Use a No. 14 welder's glass filter, or purchase special solar filters from companies such as Thousand Oaks, Kendrick Astro Instruments, or Orion Telescopes ...
Shoot Incredible Photos On Your iPhone Or iPad Using DIY Filters [iOS Photography Guide]
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 ...
Night-sky photos are easier than you think
Because our eyes have limited light sensitivity, we typically need telescopes -- with light-gathering mirrors and lenses -- to see more of ... more detail of the moon by holding your camera to a telescope's eyepiece -- or try the more elegant solution ...