True, despite the fast focus, the number of misses was more than expected. The lens that I visited in review sometimes emitted a thin squeak when focusing, which annoyed me very much. Sigma 24-70 / 2.8 EX DG HSM focuses quickly. The lens has only one switch - focus mode 'AF / M'.įocusing speed is very pleased. When the focal length is changed, the lens trunk is noticeably lengthened, but, at the same time, it does not rotate. Sigma 24-70 / 2.8 EX DG HSM has an internal focusing type. Typically, the letter 'D' is located near the focal length indicated on the case, such as 20-40mmD, 24-60mmD, 24-70mmD, 28-70mmD) D - a letter in the name of the lens, which was placed only on some lenses for Nikon F cameras (analogue ' Nikon D') and Sony / Minolta (because the name of the lenses from the list is ). С ( Ccontemporary) - a line of modern lenses with a good price / quality ratio.A ( Art) - Sigma Art Premium Lens Range.OS ( Optical Stabilizer) - built-in optical image stabilizer.HSM ( Hyper Sabout nothing Motor) - ultrasonic focusing motor.ASP SLD ( ASPherical Special Low Dispersion) - special elements that are simultaneously aspherical and low dispersion.FLD - ( Fluorite-like Low Dispersion) - special low-disperse elements in the optical scheme with characteristics close to fluorite.SLD ( Special Low Dispersion) - special low dispersion elements in the optical scheme.aspherical ( ASP) - the presence of aspherical elements in the optical scheme.IF ( Iinternal Focusing) - internal focus.Df ( Dual Focus) - a focusing system for convenient work with the focusing ring (DF is written near the front lens, or on the box / instruction).
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |