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03:45 Minutos
Full review at www.cameralabs.com : A four minute video tour around the Canon EF-S 17-85mm IS zoom lens by Gordon Laing, Editor of Cameralabs.com. To see further results and sample images, please visit our full review by clicking the link at the start of this text.
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02:21 Minutos
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09:29 Minutos
These Water filtration systems offer an alternative to water damage cause by several causes. This solar distiller can creat water deliver of .5 GPH www.greenpowerscience.com There are a lot of websites that quote the same incorrect information regarding distilled water in soda and mineral leaching. If this were true, and it is not, the aluminum would be leached and water with sugar, or artificial sweetener would become heavy. If you are concerned, add 10mg Na to each liter. Also, eating food with water, all minerals are mixed with fluid in the stomach converting distilled water into mineral water. Distilled water is not magic, if you add a splash of milk to tea made with distilled water, you now have 10x the calcium of regular mineral water. www.eves-best.com Distilled water is very good for you. The only areas it may cause a problem is developing nations that have near famine conditions. For the rest of the world who usually ingest 15x the sodium recommended, distilled water leaches salt first. ONLY IF you are salt deprived (extremely rare) will distilled water leach excess potassium and or calcium. You would need to drink about 2 gallons in 10 hours for there to be a problem. If heavy sweating, water of any kind is only a thirst quencher or temporary fluid fix. Most people can afford 7 pounds of sweat (near gallon) replaced with only water before electrolytes become an issue. At that point, electrolytes are needed regardless of water type ingested. Mineral water has ...
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27 Segundos
LOURO en estado puro!! explotando esa vena artística con una ranchera!!
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03:54 Minutos
Video resumen da III Feira do Románico de Negreira
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01:10 Minutos
Word Lens -- itunes.apple.com download now on the App Store, and purchase language packs when you need them! Languages currently available using in-app purchase: - Spanish to English - English to Spanish Try the demo modes first to get a sense of the technology in action -- reverse or erase Spanish and English words! Check us out at: questvisual.com Now available for iPhone 4, iPhone 3gs, and iPod Touch 4. Word Lens can instantly translates printed words from one language to another using the video camera on your iPhone. No network delay, no roaming fees, and no reception problems. Word Lens is a dictionary -- evolved. It looks up words for you, and shows them in context. You can use Word Lens on your vacations to translate restaurant menus, street signs, and other things that have clearly printed words. Word Lens has its limits. Sometimes the translation will have mistakes, and may be hard to understand, but it usually gets the point across. If a translation fails, there is a way to manually look up words by typing them in. Word Lens does not read very stylized fonts, handwriting, or cursive. Try it, and tell us what you think!
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12:27 Minutos
We got sent a question asking us: What would be better? A pro DSLR with a cheapo lens or a cheapo DSLR with an expensive lens? Well, we thought wed answer that question in this video by asking two very different photographers to show us what theyre like. We tested the Canon 1D Mark IV with a Sigma 28-300mm f/something and a Canon 550D with a 24-70mm f/2.8L. What produces better results? Watch the video to find out. Twitter: twitter.com Facebook: www.facebook.com For the latest updates, visit our Blog: blog.digitalrev.com For more reviews, opinions, helps and tips visit: www.digitalrev.com
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02:00 Minutos
READ!! Canon 5200mm F14 Prime Lens. The worlds largest dedicated SLR Super Telephoto lens. Extremely rare. Made in Japan. Most probably a government ordered cold war spy tool - it certainly wasnt designed to look at the stairs with the use of its ND filters... It uses a mirror & lens combination. The front lens is massive. Rear drop-in filters can be used. ?Focal Length: 5150mm ?Exposure Control: Light quantity is controlled with the use of built-in ND filters, corresponding to f/14, f/16, f/22, f/32 ?Minimum Object Distance: 120 meters (Approx 393 feet!) ?Size: 500mm(wide) x 600mm(high) x 1890mm(deep) [20x24x75.6] ?Weight: 100kg (220 lbs) without stand. From a Canon Flyer: "This is the only ultra-telephoto lens in the world capable of taking photographs of objects 18 to 32 miles away (30km to 52kms away). Having a focal length of 5200mm, Canon Mirror Lens 5200mm can obtain one hundred times as large an object image as that of a 50mm lens." "For focusing this mounted or fixed lens on an extremely distant object, two aiming telescopes are set on the side of the lens barrel, and the entire lens is placed on a rigid stand which rotates smoothly. Minimizing the overall length had been a big problem in designing this lens. However, the Catadioptric system that is applied to the other two Canon mirror lenses (Canon 800mm f3.8 & 2000mm f11) has succeeded in reducing it down to one third of the nominal focal length. In general focal length and optical aberration increase with ...
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10:57 Minutos
Intraocular lenses, commonly called IOLs, may be one of the most important ophthalmic developments in the past 30 years. These tiny prescription lenses are placed inside the eye during cataract or Clear Lens Extraction And Replacement surgery (CLEAR), replacing the eyes natural lens (called a cataract when it becomes clouded).
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05:37 Minutos
For this special video we invite Bryan Carnathan of The-Digital-Picture.com to field test the legendary Canon 1200mm 5.6L Super Telephoto lens with B&H maven Zevi Slotkin. 1200mm Lens: www.bhphotovideo.com Canon EF 1200mm f/5.6 L USM Lens Review www.the-digital-picture.com
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