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These cameras use the Sigma SA-mount, for which Sigma makes a line of lenses. The Sigma DSLR cameras that use the SA mount are the Sigma SD9, SD10, SD14, SD15 and SD1 Merrill. These cameras are noteworthy for their use of the Foveon X3 sensor, an image sensor that works on quite different principles from the sensors used in all other digital ...
A digital single-lens reflex camera (digital SLR or DSLR) is a digital camera that combines the optics and mechanisms of a single-lens reflex camera with a solid-state image sensor and digitally records the images from the sensor. The reflex design scheme is the primary difference between a DSLR and other digital cameras.
Compared to most fixed-lens compact cameras, the most commonly used and inexpensive SLR lenses offer a wider aperture range and larger maximum aperture (typically f /1.4 to f /1.8 for a 50 mm lens). This allows photographs to be taken in lower light conditions without flash, and allows a narrower depth of field, which is useful for blurring the ...
Images captured at 2+ megapixels are deemed of sufficient quality for small images in newspaper or magazine reproduction. 8- to 24-megapixel images, found in modern digital SLRs, when combined with high-end lenses, can approximate the detail of film prints from 35 mm film-based SLRs.
Digital Photography Review, also known as DPReview, is a website about digital cameras and digital photography, established in November 1998. [4] The website provides comprehensive reviews of digital cameras, [4] lenses and accessories, buying guides, [4] user reviews, [4] and forums for individual cameras, as well as general photography forums.
Take the Canon EF 70-200 f/2.8L IS III, for example, it's a professional lens for DSLR photographers but costs $2699/£2000, whereas the equivalent Tamron SP 70-200mm f/2.8 Di VC USD G2 weighs ...
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