26.10.2011., srijeda


Camera Lens Mm Meaning - Nikon Touch Screen Camera S70

Camera Lens Mm Meaning

camera lens mm meaning

    camera lens
  • A camera lens (also known as photographic lens, objective lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically

  • a lens that focuses the image in a camera

  • (means) how a result is obtained or an end is achieved; "a means of control"; "an example is the best agency of instruction"; "the true way to success"

  • the message that is intended or expressed or signified; "what is the meaning of this sentence"; "the significance of a red traffic light"; "the signification of Chinese characters"; "the import of his announcement was ambiguous"

  • meaning(a): rich in significance or implication; "a meaning look"

  • Intended to communicate something that is not directly expressed

  • .mm is the Internet country code top-level domain (ccTLD) for Burma (now officially the Union of Myanmar). It was assigned in 1997. Prior to 1989, the ISO 3166-1 code for Burma was BU, but no .bu ccTLD was ever assigned.

  • Millimeter(s)

  • A computer virus is a computer program that can copy itselfDr. Solomon's Virus Encyclopedia, 1995, ISBN 1897661002, Abstract at http://vx.netlux.org/lib/aas10.html and infect a computer.

  • millimeter: a metric unit of length equal to one thousandth of a meter

camera lens mm meaning - BSA 3-9X40

BSA 3-9X40 Sweet 22 Rifle Scope with Side Parallax Adjustment and Multi-Grain Turret

BSA 3-9X40 Sweet 22 Rifle Scope with Side Parallax Adjustment and Multi-Grain Turret

BSA Optics 3 - 9x40 Sweet 22 Riflescope. Hammer home a precision shot! Specifically designed for the .22HMR bullet! Made to model the trajectory-compensation scope that was originally crafted for military use. Comes equipped with multicoated lenses for clear, bright images. Features super-durable construction, too... nitrogen-filled for fogproof, shockproof and waterproof reliability. Long-range beast: Has 3-9x magnification and a 40 mm objective diameter; F.O.V. @ 100 yds. is 32 ft. at 3x and 11 ft. at 9x; Generous 4" eye relief; Finger-adjustable 1/4 M.O.A. adjustments; Matte finish; Standard duplex reticle; Weighs 17 ozs. and measures 13 1/2" long; Lifetime limited manufacturer's warranty. Act now on this sweet Scope! WARNING: This item cannot be shipped to Canada. Please check your State, County and City laws for restrictions before ordering this product. BSA Optics 3-9x40 Sweet 22 Riflescope

Keep your target clear, in sight, and on line with the BSA 3-9X40 Sweet 22 Rifle Scope. Featuring a quick-change turret system specifically calibrated for multiple grain weights for calibers .17HMR, .22LR, .223, .270, and .30-06, the Sweet series are trajectory compensated scopes for target and varmint shooters or for hunting big game. The trajectory is compensated from 50 to 175 yards, and each scope has fully coated optics, with adjustable objective for parallax along with a one-inch tube. The Sweet 22 is 1/4 MOA, meaning one click will move the bullet 1/4 inch at 100 yards. Note that when zeroing at a different yardage, such as 50 yards, one click will move the bullet only 1/8 inch at 50 yards.
Camera-quality glass provides a clear and undistorted image at any magnifications, and all lenses are fully multi-coated to provide the brightest possible view without glare or reflections. Water-, fog-, and shock-proof, these scopes are "fast focus" and have standard four-inch eye relief. The scope comes with a limited lifetime manufacturer's warranty.
Technical Specifications

.36, .38, and .40 gr. compensation drum
3-9X magnification
40-millimeter objective lens diameter
13-4.3-millimeter exit pupil range
42-20 field of view at 100 yards
Four-inch optimum eye relief
7.5-to-infinite parallax setting
1/4 click adjustment value
45-45 adjustment range
16.8-ounce weight

82% (11)

Ensign Special Reflex - Front, with a bit of rise

Ensign Special Reflex - Front, with a bit of rise

A few pictures of my newest and biggest camera, an Ensign Special Reflex in quarter plate size. The lens here is the standard one, a 6-inch f/4.5 Aldis-Butcher anastigmat. This has lost some paint (most noticably around the aperture markings, which does affect the ease of reading and adjusting the aperture when you have the camera on the strap), but the glass is in really good nick.

The lens-board offers a small amount of rise and fall - about half an inch in each direction.

I had a brainwave the other day, while kicking myself for not getting out in the sun with my Century Graphic. The lens I use most on that is a 127 mm f/4.7 Ysarex. That's five inches, and the Polaroid that the lens came from would take something like 4x5 inch polaroid stuff. Why not fit it on the Ensign, I thought, and see if I can get a slightly wider view. The answer is that it won't make infinity focus; the six-inch Aldis lens is very well sunk in, with about 90% of its length inside the camera. Still, I thought let's try it and see how bad it is. I've made a lens board (out of the hardboard back of one of those hardboard-glass-and-four-clips picture frames), and mounted the lens in it. Since the board has to slide in vertically, you have to fit the board, and then mount the lens, with one hand through the open focal-plane shutter to put the retaining ring on. Not something to do quickly in the field, I think. Anyhow, the focus thing is even worse than I expected; the far limit is under a metre, plus whatever I get by stopping down! I completed the board with a metal plate to let me use the rise though, and I even painted it black, so it doesn't look too bad. I mean to load up a batch of quarter plate and find something that photographs well close up.

Radcliffe Camera, Oxford.

Radcliffe Camera, Oxford.

Camera: Canon EOS 40D
Exposure: 1/250
Aperture: f/4.0
Lens: EF17-40mm f/4L USM
Focal Length: 17 mm
ISO Speed: 200

The Radcliffe Camera

The circular dome and drum of the Radcliffe Camera is one of the most distinctive landmarks in a city full of distinctive buildings. The camera (the word means simply "room") was built 1737-1749 with ?40,000 bequeathed by Dr John Radcliffe, the royal physician.

The Radcliffe Camera was intended to house a new library, and designs were called for from several leading architects, including Nicholas Hawksmoor (responsible for much of All Soul's College) and James Gibbs.

It was Gibbs who won the competition, with his elegant Palladian design, though his final plans drew heavily on earlier work by Hawksmoor. Gibbs was also responsible for the Church of St. Martin-in-the-Fields, in Trafalgar Square, London.

Originally the library in the Radcliffe Camera held both scientific and general books, but those collections were gradually moved to other University libraries, so that today the Camera functions as the main reading room of the Bodleian Library. The finished building holds some 600,000 books in underground rooms beneath Radcliffe Square.

camera lens mm meaning

camera lens mm meaning

Sony PMW-EX1 Professional Camcorder + Accessories

Sony announces the latest addition to its XDCAM family of tapeless acquisition tools with the launch of the exciting new XDCAM EXTM compact camcorder. In addition to the existing XDCAMTM HD optical disc-based products, the new XDCAM EX camcorder, the PMW-EX1, offers all the benefits of tapeless workflow, selectable bit rates and outstanding picture performance that users have come to expect with XDCAM HD, coupled with new creative recording features and lens features which will redefine the standard for the professional compact camcorder market.

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