Sigma 24 70 2.81/10/2024 ![]() 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).DN - lens designed for mirrorless digital cameras.DG - the lens is designed for full-frame SLR digital cameras.EX ( EXcellent) - the highest quality professional lens.Sigma 20 – 40mm Zoom 1: 2.8 EX DG aspherical IF, 17/13, since August 2001.Separately, you can still identify almost universal: Sigma 24 – 60mm 1: 2.8 Zoom EX DG, 16/15, several subversions, since May 2004. ![]() Sigma 24 – 70mm 1: 2.8 Zoom EX DG aspherical, 14/13, since February 2001.Sigma 28 – 70mm 1: 2.8 Zoom EX aspherical DF, 15/12, since February 2001.It is sometimes very difficult to distinguish one model from another, as well as find information on a particular modification.īelow are listed all such lenses in chronological order of their publication, the names are indicated according to the spelling on the lens housing or near the front lens, and the optical design and the number of special elements are indicated: Sigma has the largest family tree of universal high-aperture zoom lenses. The lens was in my review for a short time, while its aperture stuck at certain F values, so this review will be superficial enough. There is no 'D F' mark near the front lens, which can confuse lens identification. The 'D F' mark is found on the original box and lens instructions. The same lens can be called SIGMA ZOOM 24-70mm 1: 2.8 DG EX ASPHERICAL Df. In general, not bad, but it has a number of features. The SIGMA ZOOM 24-70mm 1: 2.8 DG EX ASPHERICAL is an old, full-frame, fast, versatile lens. SIGMA ZOOM 24-70mm 1: 2.8 DG EX ASPHERICAL.
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