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The main function of a camera lens is to collect light. The aperture of a lens is the diameter of the lens opening and is usually controlled by an iris. The larger the diameter of the aperture, the more light reaches the film / image sensor.
Aperture is expressed as F-stop, e.g. F2.8 or f/2.8. The smaller the F-stop number (or f/value), the larger the lens opening (aperture).
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Why apperture is important?
To get bright and crispy images of your object.
What limits the ability of the 5-m telescope to collect starlight?
diffraction (by a circular apperture)
What are the release dates for Coiled Soul - 2005?
Coiled Soul - 2005 was released on: USA: 1 April 2005 (Open APPerture Short Film Festival)
What are the release dates for The Creswood Hotel - 2009?
The Creswood Hotel - 2009 was released on: USA: 27 March 2009 (Open APPerture Short Film Festival)
What are the release dates for Crimefighter - 2005?
Crimefighter - 2005 was released on: USA: 2 April 2005 (Atlanta Underground Film Festival) USA: 2 April 2005 (Open APPerture Short Film Festival) USA: 23 August 2005 (Atlanta Underground Film Festival)
What does an apperture denote?
In general, an aperture is a hole through which light travels. In relation to photography, where the word is most commonly seen, this denotes the size of the hole through which light travels to hit the camera's sensor. Longer exposures need smaller apertures to ensure that the picture is not overexposed, and shorter exposures need a larger aperture to get enough light.
What are the release dates for Cure for Writer's Block No- 9 - 2007?
Cure for Writer's Block No- 9 - 2007 was released on: USA: 18 March 2007 (Other Venice Film Festival) USA: 24 March 2007 (Boston Underground Film Festival) USA: 26 March 2007 (Hollywood DV Festival) USA: 31 March 2007 (Open APPerture Short Film Festival)
What are the release dates for Kalaripayat When the Body Becomes All Eyes- - 2009?
Kalaripayat When the Body Becomes All Eyes- - 2009 was released on: USA: 15 February 2009 (Gelato! Art/Video Salon) USA: 15 March 2009 (INDIEFEST Film Festival) USA: 15 March 2009 (Film Arts Revolution) USA: 15 March 2009 (Accolade Film Festival) USA: 15 March 2009 (Open APPerture Short Film Festival)
What are the best classes on call of duty world at war?
Here are 2 good classes for short to medium range and medium to long range. Short to long range: MP40 Dual Magazine, .357 Magnum, Bandolier, Stoppping Power, and Steady Aim. Medium to Long Rong: STG44 or Gewehr 43 with a telescopic sight or apperture sight, Tokarev TT-33, Bandolier, Stopping Power, Steady Aim. I hope this helps you guys, I average 20-35 kills a round with these classes. If you ever want to play add me, my Gamertag is Tyler 5293.
To freeze the action of the subject what shutter speed should be used?
Depends. Are you photographing a moving snail or rotating airplane propeller? The threshold for hand held shots is 1/60 with image stabilization maybe around 1/40 but if you're subject is moving too fast then you would get motion blur. In order to freeze motion you must have shutter speeds of 1/100 or higher. Taking photographs is really trial and error. You can build upon you're basic knowledge of shutter speed, apperture, ISO etc. and improve you're skills by taking lots of pictures but be sure to enjoy it.
What are the release dates for The Clearing - 2008?
The Clearing - 2008 was released on: USA: 17 November 2008 (Starz Denver Film Festival) USA: 3 December 2008 (Santa Fe Film Festival) USA: 13 March 2009 (REEL 13) USA: 26 March 2009 (Open APPerture Short Film Festival) USA: 16 May 2009 (Jacksonville Film Festival) USA: 1 July 2009 (Flickerings Film Festival) USA: 24 July 2009 (Oxford International Film Festival) USA: 12 September 2009 (TriMedia Film Festival) UK: 7 December 2009 (Newport International Film Festival) USA: 16 April 2010 (Crossroads Film Festival)
What weapons did castle guards us in medieval times?
In time of peace, castle guard duty in England was a feudal obligation placed upon all freemen (serjantz) and knights that was universally hated. It meant 40 days of boredom, even though the men received a payment for their service. After 40 days others would take their places and they could return home. Knights would bring along their own weapons, including a lance or spear and their sword. Serjantz would be equipped with a spear, a bow or a crossbow; a knight's own retinue of troops often included bowmen or crossbowmen. Most of the "arrow slits" seen in medieval castles (such as those at Corfe Castle in Dorset) can not be used by an archer armed with a longbow, since there is insufficient vertical height inside the tower or wall apperture - they were really intended for use by crossbowmen.
