Rear Lens Caps
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 Vintage Classic Nikon F 52mm front rear lens caps 60s rare $19.95 Time Remaining: 8d 16h Buy It Now for only: $19.95 |
 NEW CANON ORIGINAL FD REAR LENS CAP AND FD BODY CAP $1.98 (2 Bids) Time Remaining: 1d 19h 58m |
 10 Rear Lens Caps for Hasselblad Bay 60 B60 New $24.99 Time Remaining: 4d 19h 43m Buy It Now for only: $24.99 |
 5 x Micro 4 3 Rear Lens Cap for Pananonic and Olympus $9.95 Time Remaining: 26d 5h 5m Buy It Now for only: $9.95 |
 5 x Canon FD Rear Lens Cap $6.95 Time Remaining: 12d 1h 13m Buy It Now for only: $6.95 |
 New M39 Medium Depth Metal Lens Rear Cap For Leica SM $9.98 Time Remaining: 9d 17h 12m Buy It Now for only: $9.98 |
 1 Camera Body Cap 2 Rear Lens Caps Mamiya M645 645 NEW $9.99 Time Remaining: 15d 22h 25m Buy It Now for only: $9.99 |
 1 Rear Lens Cap for Mamiya M645 645 NEW $3.99 Time Remaining: 15d 22h 26m Buy It Now for only: $3.99 |
 2 Rear Lens Caps 1 Body for Hasselblad Bay 60 B60 New $9.99 Time Remaining: 4d 19h 43m Buy It Now for only: $9.99 |
 NT LENS REAR PROTECTIVE CAP for Kiev 6 60 Kiev 88CM Pentacon 6 lens BRNEW $5.90 Time Remaining: 9d 11h 37m Buy It Now for only: $5.90 |
 PENTAX SCREW M42 REAR LENS CAP NEW $2.19 Time Remaining: 14d 3h 57m Buy It Now for only: $2.19 |
 8 x Rear Lens 2 body For Canon EOS EF and EFs caps $10.99 Time Remaining: 18h 57m Buy It Now for only: $10.99 |
 New M39 Medium Depth Metal Lens Rear Cap For Leica SM $9.95 Time Remaining: 24d 6h 51m Buy It Now for only: $9.95 |
 REAR cap M39 for lens with logo FED $9.00 Time Remaining: 16d 22h 18m Buy It Now for only: $9.00 |
 LENS REAR PROTECTIVE CAP for Kiev 6 60 Kiev 88CM Pentacon 6 lens BRNEW $4.90 Time Remaining: 9d 11h 29m Buy It Now for only: $4.90 |
 50 Rear Lens Cap Caps for Leica M Minolta CL CLE NEW $37.96 Time Remaining: 18h 55m Buy It Now for only: $37.96 |
 10 x Rear Lens Cap For Canon EOS EF and EFs caps $10.99 Time Remaining: 18h 55m Buy It Now for only: $10.99 |
 5 x 4 3 Rear Lens Cap for Pananonic and Olympus $8.95 Time Remaining: 18d 1h 14m Buy It Now for only: $8.95 |
 Rear Plastic Cap for OCT 18 lens turret Konvas NEW $10.00 Time Remaining: 5d 20h 27m Buy It Now for only: $10.00 |
 2 LENS REAR PROTECTIVE CAP Kiev 6 60 88CM Pentacon SIX $5.95 Time Remaining: 23d 6h 59m Buy It Now for only: $5.95 |
 1 Rear Lens Cap for Hasselblad Brand New $3.99 Time Remaining: 15d 22h 26m Buy It Now for only: $3.99 |
 Rear Lens Cap Deep for Nikon S Contax rangefinder Wide $6.95 Time Remaining: 7d 1h 19m Buy It Now for only: $6.95 |
 Brass Rear Lens Cap for Leica 125cm f 25 Hector Lens in Ext+ Condition $69.88 Time Remaining: 15d 15h 27m Buy It Now for only: $69.88 |
 Rear Lens Cap for Contax G Wide Anger 28 21 16mm Lenses $4.95 Time Remaining: 9d 17h 7m Buy It Now for only: $4.95 |
 5 x Rear Lens Cap for Nikon S Contax Kiev 85mm 135mm $13.88 Time Remaining: 7d 4h 14m Buy It Now for only: $13.88 |
 2 Rear Lens Caps 1 Body for Hasselblad Brand New $9.99 Time Remaining: 15d 22h 27m Buy It Now for only: $9.99 |
 2 x Canon Film Camera FD Rear Lens Cap $3.88 Time Remaining: 13d 15h 17m Buy It Now for only: $3.88 |
 3 x Rear Lens Cap For Canon EOS EF and EFs caps $3.99 Time Remaining: 18h 57m Buy It Now for only: $3.99 |
 Rear Lens + Camera body Cover cap for NIKON AF AI DSLR $3.99 Time Remaining: 12d 7h 28m Buy It Now for only: $3.99 |
 For Leica M Body Rear Lens Cap Cover M2 M3 M4 M6 M7 $5.00 Time Remaining: 24d 20h 25m Buy It Now for only: $5.00 |
 New 5 x M39 Plastic Medium Depth Lens Rear Cap For Leica SM $16.88 Time Remaining: 10d 2h 23m Buy It Now for only: $16.88 |
 Ten Leica M Rear Lens Cap Minolta CL CLE NEW $18.99 Time Remaining: 14d 18h 20m Buy It Now for only: $18.99 |
 2 Leica M Rear Lens Caps 1 Body Cap Leica M NEW $7.99 Time Remaining: 14d 18h 20m Buy It Now for only: $7.99 |
 Original Leica R Two sides Rear Lens Cap in Ext+ Condition $25.88 Time Remaining: 23d 23h 57m Buy It Now for only: $25.88 |
 1 Camera Body Cap 2 Rear Lens Caps Mamiya M645 645 NEW $9.99 Time Remaining: 18h 57m Buy It Now for only: $9.99 |
 Black Metal Rear Lens Cap for Leica M Leitz Lens $9.95 Time Remaining: 25d 23h 18m Buy It Now for only: $9.95 |
 5x Rear Lens Cap For Canon EOS EF and EFs caps $5.99 Time Remaining: 18h 55m Buy It Now for only: $5.99 |
 Nikon Rear Lens Cap OEM $7.99 Time Remaining: 6d 18h 5m Buy It Now for only: $7.99 |
 Nikon 35mm Lens Rear Cap F3 F3HP D90 D7000 FM2 FE2 FA FG D300 F4 F5 D80 D700 NEW $0.69 (1 Bid) Time Remaining: 6d 19h 11m |
 Leica Leitz 43mm rear Lens Cap for M lens $12.99 Time Remaining: 25d 19h 26m Buy It Now for only: $12.99 |
 M39 Screw Mount Metal Lens Rear Cap for Leica Chrome SM $6.95 Time Remaining: 23d 7h 41m Buy It Now for only: $6.95 |
 Nikon Lens Rear Cap Tamron Adaptall 2 Brand $4.95 Time Remaining: 9d 20h 31m Buy It Now for only: $4.95 |
 New M39 Black Medium Depth Metal Lens Rear Cap Leica SM $9.95 Time Remaining: 18d 2h 58m Buy It Now for only: $9.95 |
 10 Rear Lens Cap for Mamiya M645 645 NEW $24.99 Time Remaining: 9d 18h 17m Buy It Now for only: $24.99 |
 LEICA SL REAR LENS CAP COVER 49mm MINT $24.99 Time Remaining: 26d 22h 55m Buy It Now for only: $24.99 |
 FOR LEICA SL REAR LENS CAP COVER 49mm EXC++ $19.99 Time Remaining: 11d 15h 29m Buy It Now for only: $19.99 |
 Nikon Lens Rear Cap SIGMA Brand $4.95 Time Remaining: 12d 23h 21m Buy It Now for only: $4.95 |
 10 Rear Lens Caps for Hasselblad Brand New $24.99 Time Remaining: 9d 18h 23m Buy It Now for only: $24.99 |
 Leica Leitz 56mm rear Lens Cap $8.95 Time Remaining: 12d 15h 28m Buy It Now for only: $8.95 |
 Nikon Heavy Duty Lens Rear Cap $3.99 Time Remaining: 8d 22h 57m Buy It Now for only: $3.99 |
 For Leica Leitz 39mm rear lens cap cover EXC++ $14.99 Time Remaining: 11d 15h 33m Buy It Now for only: $14.99 |
 3 Rear Lens Caps 2 Body Cap for Leica M4 M5 M6 M7 M8 M $8.50 Time Remaining: 18h 57m Buy It Now for only: $8.50 |
 FOR LEICA 39MM DIAMETER SCREW IN REAR LENS CAP COVER $14.99 Time Remaining: 29d 15h 12m Buy It Now for only: $14.99 |
 Pentax K Push On Lens Rear Cap $2.99 Time Remaining: 10d 21h 43m Buy It Now for only: $2.99 |
 Pentax AF Lens Rear Cap Tamron Brand $5.25 Time Remaining: 12d 23h 44m Buy It Now for only: $5.25 |
 Pentax AF Lens Rear Cap SIGMA Brand $5.25 Time Remaining: 20d 19h 29m Buy It Now for only: $5.25 |
 5 x Rear Lens Cap Deep for Nikon S Contax Kiev Wide $19.95 Time Remaining: 17d 16h 5m Buy It Now for only: $19.95 |
 Nikon AF Lens Rear Cap Tamron Brand $5.75 Time Remaining: 20d 19h 8m Buy It Now for only: $5.75 |
 Pentax K Lens Rear Cap Sigma Brand $4.95 Time Remaining: 21d 35m Buy It Now for only: $4.95 |
 1 Rear Lens Cap for Hasselblad Bay 60 B60 New $3.99 Time Remaining: 4d 19h 43m Buy It Now for only: $3.99 |
 Pentax K Lens Rear Cap Komura Brand $4.95 Time Remaining: 27d 4m Buy It Now for only: $4.95 |
 Nikon Lens Rear Cap $3.25 Time Remaining: 26d 23h 37m Buy It Now for only: $3.25 |
 Rear Plastic Lens Cap for OCT 19 lens KonvasKinor $19.00 Time Remaining: 4d 15h 44m Buy It Now for only: $19.00 |
 Contax Nikon S rear lens cap for Tessar 50 Sonnar 50 Nikkor 50 $9.00 Time Remaining: 27d 12h 25m Buy It Now for only: $9.00 |
 REAR cap M39 for lens with logo KOMZ $8.00 Time Remaining: 24d 15h 45m Buy It Now for only: $8.00 |
 REAR cap M39 for lens with logo LZOS Lytcarino $8.00 Time Remaining: 19d 22h 40m Buy It Now for only: $8.00 |
 M39 Screw Mount Metal Lens Rear Cap Black for Leica SM $6.95 Time Remaining: 17d 1h 14m Buy It Now for only: $6.95 |
 20 x Rear Lens Cap For Canon EOS EF and EFs caps $19.99 Time Remaining: 6d 21h 7m Buy It Now for only: $19.99 |
 2 Leica R Rear Lens Caps plus 1 Body Cap Leica R NEW $7.49 Time Remaining: 22d 16h 20m Buy It Now for only: $7.49 |
 REAR cap M39 for lens with logo MMZ $8.00 Time Remaining: 17d 11h 25m Buy It Now for only: $8.00 |
 METAL REAR Lens cap for lenses J 8 3 H 103 for Kiev 4 $9.00 Time Remaining: 20d 21h 23m Buy It Now for only: $9.00 |
 NT LENS REAR PROTECTIVE CAP for Kiev 88 Salyut Salyut C lenses BRNEW $5.90 Time Remaining: 9d 11h 43m Buy It Now for only: $5.90 |
 Body Rear Lens Cap For Canon T 90 T70 A 1 F 1 AE 1 F 1N $5.00 Time Remaining: 23d 15h 42m Buy It Now for only: $5.00 |
 2 x Rear Lens Cap for Nikon S Contax Rgfder 85 135mm $6.95 Time Remaining: 28d 5h 20m Buy It Now for only: $6.95 |
 10 Leica R Rear Lens Caps R3 R4 R5 R7 NEW $19.99 Time Remaining: 13d 20h 58m Buy It Now for only: $19.99 |
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Optoma Hd66 3D Hd Projector
Design
The Optoma HD66 HD projector weighs only five pounds and measures 7.6" x 11.3" x 4". It uses the 0.65 DMD DLP chipset by Texas Instruments, which implies that the Optoma HD66 operates without filters. It has a brightness rating of 2500 ANSI lumens and a 4,000:1 contrast ratio. HD66 is compatible with PCs and Macs, and supports video resolution up to 1080p.
Connections include HDMI, VGA-In, S-Video, Composite Video, Stereo Audio-In and RS232. The projector is designed in such a way that it can be used for either front or rear projection, and can be mounted on the ceiling or placed on a tabletop. Inside, it includes a 2-watt speaker, and purchase comes with a remote, interconnect cables and other accessories. The system accepts video inputs for HDTV, EDTV, SDTV, NTSC, PAL and SECAM.
The Optoma HD66 is compatible with NVIDIA's 3D Vision Technology for the 3-dimensional effects. The technology involves the use of a computer with a new NVIDIA GeForce video card meant for 3D. Combined with an image refreshing rate of 120Hz, HD66 is able to display alternating stereoscopic images to the left and right eyes at 60Hz rate each. When users wear 3D polarized eyeglasses, it synchronizes with the projector and users may enjoy smooth looking transitions.
Purchase includes a remote control with batteries, lens cap, an AC power cord, composite cable, multi-lingual CD-ROM User's manual, quick start card and an Optoma warranty card. For security purposes, there is also a Kensington lock port, a security bar and a keypad lock.
** While 3D projector is an interesting technology, users need to remember that a 3D source, 3D content and 3D glasses are required for viewing. Purchase does not come with a 3D glasses, hence users need to get active shutter glasses like NVidia's 3D Vision goggles.
Setting up and calibrating the Optoma HD66
The Optoma HD66 can be placed on a flat surface, or mounted on to the ceiling. It can do either a front or rear projection. The projector offers a single HDMI input and one basic stereo output for those who prefer external speakers.
The user manual is a good guide for the physical setup of the projector. There are clear illustrations. Instead of pure black and white manuals, there are color indications along with descriptions.
The operating menu is great with 23 language support. It has a simple, user friendly interface that makes navigations easy. The users' manual explains each segment clearly and there should be no problem with the configuration if users follow the manual well.
3D is supported at 1280 x 720 resolutions at best, and the 3D Sync. Invert function can only be used when 3D is enabled. The 3D Sync. Invert is meant to correct the problem when users discover the inversion of the image depth.
Optoma HD projector also has a safety configuration in which the projector cannot be turned on if the lamp cover has not been placed back on the projector. There is also an auto shut down function to avoid overheating, and users may turn it on again after it cooled. In fact, when the lamp fails, the system will not turn on at all until the lamp is replaced.
Features
Optoma adopted the DLP technology from Texas Instruments, at the same time it also uses the BrilliantColor technology of the company. The technology improves color reproduction, sharpness and depth of shade by 6-color spectral processing, of primary and secondary colors.
The projector is also capable of projecting bright images with 2500 ANSI lumens, and comes with high contrast ratio of 4,000:1. The rapid power-on and shutdown helps users save time and money.
Meanwhile, the projector also boasts of showing off 3D images for high intensity gaming, up to 720p. It is compatible with both PC and Mac computers, supporting computer resolution as high as 1920 x 1080p.
Performance
While the system boasts of a 1080p resolution support, this works well only for two-dimensional contents, and it downscales the picture down to the native resolution of 720p. For 3D contents, it can handle 720p, XGA (1024 x 788) and VGA (800 x 600).
Image is both bright and clear and the 3D effects are great when users view it through active-shutter glasses. The minimum image size is 23" and maximum is 300". Users may prefer to use an external speaker than to use the integrated 2-watt speaker for better audio enjoyment.
Perhaps the best use of this projector is for gaming. It lacks many qualities that truly qualify it as part of a home theater for movies, but with its 1080p computer resolution support, it will be good enough to keep gamers happy for hours, though of course users need to be aware of the heat and the lamp. One may be frustrated if the projector suddenly turns itself off with the automatic detection to avoid overheating in the middle of a battle with some aliens.
Pros and Cons
Optoma HD66 is a simple 3D projector that supports up to 720p for gaming projections and 1080p for two-dimension contents. However, it downscales the 1080p to native resolution of 720p for projection.
The RS232 support means that the machine can be controlled by using other remotes, which helps the user minimize remote control clutters.
Conclusion
The Optoma HD66 is one of the cheapest high definition 3D projectors in the market for an average of USD700. However, due to the price it asks for, it is not one of the best projectors. It may be more biased towards offering gaming experience, but as a home theater system for movies, there may still be a lot of catching up to do.
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