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The first digital rangefinder camera commercially marketed was the Epson R-D1 (released in 2004), followed by the Leica M8 in 2006. [16] They were some of the first digital lens-interchangeable cameras without a reflex mirror, but they are not considered mirrorless cameras because they did not use an electronic viewfinder for live preview, but, rather, an optical viewfinder. [16]
To help extend the exposure range, some smaller sensor cameras will also incorporate an ND filter pack into the aperture mechanism. [46] The apertures that smaller sensor cameras have available give much more depth of field than equivalent angles of view on a DSLR. For example, a 6 mm lens on a 2/3″ sensor digicam has a field of view similar ...
Theoretically, changing lenses can expose the sensor to more dust in a "mirrorless" camera design, compared to DSLRs that have both a mirror and a closed shutter protecting the sensor. Mirrorless cameras have dust-removal systems that try to minimize this problem, and in practice they experience fewer dust problems than a DSLR. [26]
Every time lenses are changed, dust may enter the camera body and settle on the image sensor. Digital single-lens reflex cameras (DSLR) are particularly vulnerable to this issue, since the interior of the camera is exposed during lens changes unlike other forms of digital cameras, and the image sensor is fixed, unlike a film camera. Even the ...
Canon EOS M series Mirrorless APS-C Cameras Canon RF: 20 mm 35 mm and APS-C: 54 mm Bayonet Photography (Digital) Canon EOS R series full-frame and APS-C mirrorless cameras; lenses designated as RF-S are optimized for APS-C sensors, but will mount on full-frame bodies Nikon S: 34.85 mm 35 mm: 34 mm [7] Bayonet Photography Nikon Rangefinder ...
Around 2010, the mirrorless technology utilized in point and shoot cameras made the way to the interchangeable lens cameras and slowly replaced DSLR technology. As of 2022, all the major camera brands (Except Pentax) ceased development and production of DSLRs and moved on to mirrorless systems. These systems offer multiple advantages to the ...
An Olympus E-420 camera, sold with a very thin 25mm "pancake" lens. The E-4XX series was advertised as the smallest true DSLR in the world. [22] The smaller sensor size makes it possible to produce smaller, lighter camera bodies and lenses. In particular, the Four-Thirds system allows the development of compact, large aperture lenses.
The image sensor format of a digital camera determines the angle of view of a particular lens when used with a particular sensor. Because the image sensors in many digital cameras are smaller than the 24 mm × 36 mm image area of full-frame 35 mm cameras, a lens of a given focal length gives a narrower field of view in such cameras.