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Pancake lenses can be very short and flat because they do not need large amounts of optical correction, i.e. extra lens elements. The problem arises when such lenses have too short a focal length to fit in front of the retractable mirrors used in reflex cameras. In such a situation, a pancake lens focuses in front of, rather than on, the focal ...
The lens features a compact construction colloquially referred to as a "pancake lens" and a micromotor-driven power zoom controlled by a switch on the side of the lens and the dual-role focus/zoom ring when the camera is not set to manual focus. Given the lens' focal length of 16-50mm, it is generally regarded as a multipurpose lens, though ...
Initially, two micro 4/3 lenses were available from Olympus, one 14–42 mm f/3.5–5.6 zoom and a 17 mm f/2.8 pancake prime lens. Remarkably, with the exception of the optical viewfinder, the E-P1 seemed to fit most of the features found on the Olympus E-620, a larger Four Thirds system DSLR, into the small, compact MFT form factor.
The M.Zuiko Digital 17 mm f/2.8 is a wide-angle, pancake-style prime lens by Olympus Corporation, for the Micro Four Thirds System. It is sold in a kit with the Olympus PEN E-P1 camera body and available separately. The optical scheme has 7 lenses in four groups; two of these lenses are aspherical. Different reviews and tests valued the total ...
Micro Four Thirds system. The Micro Four Thirds system (MFT or M4/3 or M43) (マイクロフォーサーズシステム, Maikuro Fō Sāzu Shisutemu) is a standard released by Olympus Imaging Corporation and Panasonic in 2008, [1] for the design and development of mirrorless interchangeable lens digital cameras, camcorders and lenses. [2]
Summaron. The Leica Summaron 35 mm f/3.5 screw mount introduced in 1948. The Leica M3 with the Summaron 35 mm f/2.8 with its googles, from 1958. Leica Summaron 28 mm f/5.6 introduced in 2016. The name Summaron is used by Leica to designate camera lenses that have a maximum aperture of f/2.8 or f/3.5 or f/5.6.
The autofocus speed was addressed with a firmware update, and the introduction of new lenses, although critically, the autofocus speed does not improve much with the originally issued 14–42 mm ƒ/3.5–5.6 kit zoom lens (28–90 mm equivalent), or the 17 mm ƒ/2.8 (34 mm equivalent) pancake lens.
The lens itself is colloquially referred to as a pancake lens as it is currently the thinnest lens offered for Sony E-mount. The lens can also be adapted with a 16mm ultra-wide angle or a 12mm fisheye converter, which are both sold separately from the lens itself. Neither allow for corrected EXIF data to be recorded to the camera while the ...