Cameras & Photo Binoculars & Telescopes Telescope Parts & Accessories Telescope Mirrors & Prisms
Celestron (Japan Circle V) 1.25" Star Diagonal
$34.95
Exc. High Point 2" Quartz Dielectric Mirror Diagonal HPS-D2 Can Accept 1.25"
$69.99
Cassini PM-160 - Telescope PRIMARY MIRROR : 160mm
$69.99
Telescope PRIMARY MIRROR : 102mm
$29.99
Bresser 150mm 6" Parabolic Mirror Kit with Secondary & Holders - NEW!
$99.95
1" Minor Axis Telescope Secondary Mirror Replacement Part for 114mm Scopes -NEW!
$5.24
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 ...
Telescope frame used with 10 1/2 mirror - Low reserve.
$18.00
20" Telescope Spider and 4" Secondary Mirror
$150.00
Dove Prism, Clear, Unmounted, Invert or Retroreflect, 1954 Mfg for US Ordnance
$15.00
Cassini SM-5135 - Telescope SECONDARY MIRRORS : 51mm X 35mm
$14.95
Telescope 38mm X 27mm Secondary Mirror with 4 Vane Spider Cell(Metal)
$19.99
GSO 1.25" 90 degree Erect Image Amici Prism Diagonal # PD90
$32.00
Orion Economy 1.25-Inch 90 Degree Telescope Mirror Diagonal
$9.95
Orion 08727 2" Dielectric Mirror Diagonal with 1.25" adapter
$68.00
Glass Telescope Blank 7” X 1/4”
$19.99
16" f4.5 Parabolic Telescope Mirror - Ostahowski Optics -Pyrex substrate
$1,450.00
8 INCH TELESCOPE MIRROR BK7 OPTICAL BLANK
$99.00
Meade 5000 2in Enhanced Diagonal Mirror with Adapter
$129.95
Cassini SM-3122 - Telescope SECONDARY MIRROR : 31mm X 22mm
$10.95
Dove Prism, Mounted, Black, Invert or Retroreflect, 75.5mm L x 18.2mm W/Tall
$20.00
Orion 8757 Image Erecting Prism 1.25"
$47.95
GSO 6" f/8 Parabolic Primary and 31mm Secondary Mirror Set for Telescope
$150.00
GSO 1.25" 90-deg 99% Dielectric Mirror Diagonal with Compression Ring - NEW
$69.00
16" f/4.7 Ostahowski Optics - Astrositall substrate + Free 3.5" EDM 
$1,800.00
20 inch F/3.6 Parabolic Reflector Telescope Primary Mirror
$3,500.00
1.5m (60") f/3.75 ZERODUR Research Grade Observatory Telescope Mirror
$98,000.00
Ullman Inspection Mirror, LED, 1-3/8x 6-1/2 to 35 - HTE-2LT
$11.35
40 INCH DIA O'Hara E6 OPTICAL GLASS TELESCOPE MIRROR BLANK
$39,000.00
40 inch Concave Perkin Elmer Mirror / Collimator on stand
$10,000.00
30" f/1 Parabolic Mirror - NEW
$5,500.00
GSO Parabolic Primary Mirror - 12" f/4
$690.00
Baader 2" 90° Erecting Amici Prism Diagonal w/ 1.25" Adapter # AMICI-2 2956152
$300.00
Baader 2" Clicklock BBHS Dielectric Mirror Star Diagonal # MAX-2S 2456115
$499.00
GSO 8" f/4 Parabolic Primary and 70mm Secondary Mirror Set for Telescope
$290.00
Baader T-2 90° Deluxe Astro-Grade Amici Prism Diagonal Body # AMICI-DX1 2456130
$320.00
GSO 8" f/6 Parabolic Primary and 50mm Secondary Mirror Set for Telescope
$235.00
Baader T-2 Maxbright Dielectric Mirror Diagonal Body # MAX-1 2456100
$299.00
Baader 2" Clicklock Mirror Star Diagonal for Telescope # CLDIAG-2 2956100
$309.00
GSO Parabolic Primary Mirror - 10" f/4
$485.00
GSO Parabolic Primary Mirror - 6" f/4
$219.00
GSO Parabolic Primary Mirror - 8" f/6
$205.00
GSO 6" f/4 Parabolic Primary and 62.5mm Secondary Mirror Set for Telescope
$265.00
Tele Vue 1.25" 60-deg Everbrite Erect Image Diagonal # DPC-6012
$240.00
APM 2" Fast Lock Star Mirror Diagonal for Telescope w/ 99% Dielectric Coatings
$172.00
GSO Elliptical Secondary Mirror - 104mm
$168.00
GSO Parabolic Primary Mirror - 8" f/4
$230.00
GSO Parabolic Primary Mirror - 8" f/5
$220.00
GSO 8" f/5 Parabolic Primary and 62.5mm Secondary Mirror Set for Telescope
$270.00
Tele Vue 1.25" 90-deg Everbrite Star Diagonal # DPC-1250
$180.00
DOW CORNING Ultra Low Expansion Glass ULE 7 1/8 X 2.0 Inch Mirror Blank
$250.00
EDMOND OPTICS - Parabolic Mirror - 3" f/6
$175.00
New LOW PRICE #### 12 inch THIN EDGE PYREX Telescope Mirror Blank ####
$285.00
William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror SCT Diagonal
$158.00
William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror Diagonal
$139.00
10x Fused Silica Blank , 2.121 X .410 Thick , Optics Lot
$100.00
Meade Series 5000 2" Enhanced Dielectric Diagonal with SCT Adapter # 07680
$124.99
GSO Parabolic Primary Mirror - 6" f/8
$117.00
Celestron 2" SCT Mirror Diagonal with XLT coating # 93527
$139.95
Tele Vue 1.25" 90-deg Enhanced Aluminum Star Diagonal # DSC-0125
$134.00
Telescope PRIMARY MIRROR
$450.00
Tele Vue Diagonal Mirror
$199.99
Baader T-2 90° Prism Star Diagonal Body # T2-01C 2456005
$131.00
GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for Refractor Telescope
$119.00
16x LAK21 Blank With Certificate, 1.465 Diameter X ..314 Thick , Optics Lot
$120.00
PENTAPRISM, Glass, 481 grams / 17oz., EUC!!
$100.00
Bushnell 1.25" Erecting Prism 780103
$53.99
Explore Scientific 99% Dielectric 2" Diagonal for Telescope # DD02-00CF
$118.99
Telescope Mirror blanks and mirror cell
$150.00
GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for SCT Telescope
$120.00
GSO 2" 90 deg Mirror Diagonal for SCT Telescope
$73.00
GSO Elliptical Secondary Mirror - 80mm
$102.00
William Optics 1.25" 99% Dielectric DuraBright Carbon Fiber Star Mirror Diagonal
$93.00
William Optics 1.25" 45 degree Erecting Prism Diagonal # D-EP125
$80.00
Baader 1.25" 45° Amici Prism Diagonal # AMICI-45 2956150
$93.00
Tele Vue 1.25" 45-deg Erect Image Prism Diagonal # AMI-0011
$66.00
GSO 2" 90 deg Mirror Diagonal for Refractor Telescope
$73.00
10x Fused Silica Blank , 2.121 X .410 Thick , Optics Lot
$100.00
GSO Elliptical Secondary Mirror - 74mm
$84.00
GSO Elliptical Secondary Mirror - 70mm
$72.00
GSO Elliptical Secondary Mirror - 68mm
$68.00
GSO Elliptical Secondary Mirror - 62.5mm
$60.00
9X Fused Silica Blank , 1.760 Diameter X .360 Thick , Optics Lot
$89.00
1.25" Screw Combined Diagonal+45°Erecting Image Eyepiece for Refractor Telescope
$26.59
9X Fused Silica Blank , 1.760 Diameter X .360 Thick , Optics Lot
$79.00
SVBONY 1.25"Erecting Prism Eyepiece 45°Erecting Image for Refractor Telescope US
$26.31
Meade #933 1.25" 45-deg Erect-Image Prism Diagonal for ETX60/70/80AT # 07220
$39.99
GSO Elliptical Secondary Mirror - 31mm
$41.00
Celestron 2" XLT Diagonal Mirror (for SCT Telescope)
$159.95
GSO 0.965" / 1.25" 90-deg Hybrid Mirror Star Diagonal
$33.00
GSO 2" 90-deg 99% Dielectric Mirror Diagonal for Refractor Telescope
$101.00
GSO 2" 90-deg 99% Dielectric Mirror Diagonal for SCT Telescope
$101.00
SVBONY New 1.25" FMC Screw Combined Diagonal &Eyepiece 45° Erecting Image
$27.54
GSO 0.965" / 1.25" 45-deg Hybrid Erect-Image Prism Diagonal
$34.00
1.25'' 45-Degree Zenith Mirror Diagonal Adapter for Astronomical Eyepiece US
$14.89
SV 25mm 1.25"Erecting Prism Eyepiece Erecting Image for Refractor Telescope US
$27.89
GSO Elliptical Secondary Mirror - 50mm
$51.00
5x Fused Silica Blank , 2.121 X .410 Thick , Optics Lot
$50.00
5x Fused Silica Blank , 1.250 Diameter X .800 Thick , Optics Lot
$39.00
SVBONY 1.25"Screw Combined Diagonal w/Eyepiece 45-Deg Erecting Image US Stock
$26.03
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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 ...