12/4/2023 0 Comments Sigma 18 35 t6i reviewEGF for Canon cameras with APS-H sensor is 26 mmġ x (this fix lens, it does not have a zoom)įor full-format digital cameras.EGF for Canon cameras with APS-C sensor is 32 mm.Important: a lens from a third-party manufacturer, which imposes some restrictions on its practical use.Dock support for updating and adjusting the lens.Without the possibility of installing front threaded filters.Separate window focusing distance scale.TSC ( Thermally Sbackgammon Composite) - part of the body made of thermally stable composite.Manual focus at any time (Canon FTM equivalent).IF ( Iinternal Focusing) - internal focus.ASP ( Aspenherical) - aspherical elements in the optical scheme.FLD ( Fluorite like Low Dispersion) - special low dispersion elements with fluorite properties.SLD (Special Low Dispersion) - use of elements with extremely low dispersion.SML ( Super Multi Layer) - super multicoated optics.AF / MF FOCUS - simple focus mode switch.HSM ( Hyper Sabout nothing Motor) - ultrasonic focusing motor.DG - the lens is designed for full-length SLR digital cameras.The lens barrel bears the following inscriptions '20mm 1: 1.4 DG Sigma A MADE IN JAPAN 015' + serial number. Main technical characteristics of Sigma 20mm 1: 1.4 DG Art: Review Instance Name It is also worth mentioning that in addition to the unique Sigma 20 / 1.4 Art, the company has an even more unique lens Sigma 14mm 1: 1.8 DG HSM Art For cropped cameras, you can find many other solutions, for example, such as Samyang 21mm f / 1.4 ED AS UMC CS or Sigma 18-35mm 1: 1.8 DC Art. The remaining lenses either have an aperture larger than F / 2.0, or a focal length greater than 21 mm, or are designed for cropped cameras, and therefore I did not include them in the list above. Manual Voigtlaender ultron 21 mm F1.8 ASPHERICAL, for rangefinder cameras with LEICA-M mount.Manual Samyang 1: 1.8mm ED AS UMCunder different mounts.Manual TOKINA FIRIN 20 mm F2 FE MF, and autofocus TOKINA FIRIN 20 mm F2 FE AF for Sony mirrorless full-frame cameras with Sony E mount.Nikon N AF-S NIKKOR 20mm 1: 1.8G Nano Crystal Coat SWM RF ED Aspherical, only under Nikon F.Sigma 20mm 1: 1.8 EX DG and her predecessor Sigma 20mm 1: 1.8 EX DG asphericalunder different mounts.Truth, LEICA SUMMILUX-M 1: 1.4 / 21 ASPH does not have autofocus and is designed for rangefinder (mirrorless) full-frame cameras, while making a lens of this class for SLR cameras is a much more difficult task.Īt the time of this review, there were no other 20 / 1.4 class lenses for photography. Before him, there were no other 20 / 1.4 class full-frame lenses.īut still, before the appearance of the Sigma 20 / 1.4 Art, there was one such lens in terms of the combination of focal length and aperture - LEICA SUMMILUX-M 1: 1.4 / 21 ASPH, which differed only by 1 millimeter of focal length. Sigma 20 / 1.4 Art became first lens of its kind. The Sigma 20 / 1.4 Art lens was introduced on Octoand became a replacement for the older model.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |