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Pentax history of innovations.
This is particularly useful if the subject includes dangerous animals (e.g., wildlife the subject prefers anonymity to being photographed; or else, the photographer's presence is unwanted (e.g., celebrity photography or surveillance photography).Contents, history edit, main article: History of the single-lens reflex camera.7 Sexy Videos, Angel B, blonde, office, webcam, naked, shaved, strip, glasses Angel's Sexy Webcamming Angel's at her desk but she's not there to work.Autofocus edit Main article: Autofocus The first autofocus 35 mm SLR was the Pentax ME-F released in 1981.Canon used spot metering in the unusual Canon Pellix camera, which also had a stationary mirror system that allowed approximately 70 of the light to travel to the film plane and 30 to the photographer's eye.Large format SLR cameras were probably first marketed with the introduction.R.The Canon Pellix film camera was an exception to the moving mirror system, wherein the mirror was a fixed beamsplitting pellicle.1937, sheraton founders Ernest Henderson and Robert Moore acquire their first hotel in Springfield, Massachusetts.
Some manufacturers of medium-format 120 film SLR cameras also made leaf-shutter lenses for their focal-plane-shutter models.Another clever design appeared in 1965, the Canon Pellix employing a pellicle mirror that is semi-transparent, placing the meter cell on an arm swinging into the lightpass behind the mirror for meter reading.Disadvantages edit In most cases, single-lens reflex cameras cannot be porno genève rijden cam made as small or as light as other camera designssuch as rangefinder cameras, autofocus compact cameras and digital cameras with electronic viewfinders (EVF)owing to the mirror box and pentaprism/pentamirror.Because leaf shutters synchronized electronic flash at all shutter speeds especially at fast shutter speeds of 1500 of a second or faster, cameras using leaf shutters were more desirable to studio photographers who used sophisticated sex online voor geld studio electronic flash systems.This is not problematic for pictures taken at a middle or longer distance, but parallax causes framing errors in close-up shots.A small number of SLRs were built for APS such as the Canon IX series and the Nikon Pronea cameras.The viewfinder can include a matte focusing screen located just above the mirror system to diffuse the light.
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