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All Nikon zoom AF-lenses have focal length encoders added. Nikon AF-P: The lens contains a pulse motor (utilizing stepping motors) to focus smoother and quieter than previous drive systems. Nikon AF-I, Sigma/Tamron/Tokina: no designation: The lens contains an integrated focus electric motor. The Nikon type was produced from 1992 to 1996 and is ...
At launch it was the widest rectilinear lens available for full-frame 35mm SLR cameras, providing a field of view of 122 degrees. It has since been surpassed by the Canon EF 11-24mm f/4L zoom lens and the Irix 11mm f/4, a manual focus prime lens. [2] The Sigma 12-24 has low distortion even compared to less wide zooms like the Canon EF 16-35mm ...
List of Sigma lenses with Nikon F-mount and integrated autofocus motor; 0–9. Sigma 4.5mm f/2.8 EX DC Circular Fisheye HSM lens; Sigma 8-16mm f/4.5-5.6 DC HSM lens;
Since 29 April 2005, the lens was available for customers, replacing the previous model. For the DG lens, the Nikon version lost an aperture ring so the lens can be equated to Nikon G lenses in this aspect. In addition to the Sigma, Canon and Nikon versions, the Four Thirds version was announced on 26 September 2006 and produced for several ...
All Nikon full-frame "FX" DSLRs have a DX-compatible mode that, by default when a DX-format lens is attached, crops the captured frames to the DX format and adjusts the viewfinder to reflect the smaller capture area. This can be overridden by the user if desired. There are basically three types of F mount Nikon lens: MF = Manual focus lenses
The Sigma 70-300mm F4-5.6 APO DG Macro lens is a consumer-level, telephoto zoom lens made by Sigma Corporation. [1] Different versions of this lens are produced that work with cameras from Canon, Nikon, Pentax, Konica Minolta, Sony and Sigma. Additionally, Olympus' 70–300 f/4–5.6 lens for Four-Thirds has the same optical design and ...
The lens has a constant length regardless of optical zoom and focus with inner lens tube elements responding to these parameters. [5] The lens has hypersonic zoom autofocus. The lens is sold in versions that fit the bayonet mounts of Nikon, Canon, Sigma, Sony/Minolta and Pentax APS-C cameras. [6] The lens has been discontinued by Sigma ...
There were two precursors to the introduction of SA-mount cameras, the manual-focus Sigma Mark-I in 1976, which still featured a M42 screw lens mount, and the SA-1 of 1983 with Pentax K-mount. Mechanically, the (inner) SA-mount is similar to the Pentax K-mount as well, [ 2 ] but with a flange focal distance of 44.00 mm, identical to that of the ...