Lens 1: Sigma 17-50mm f/2.8 EX DC OS HSM Nikon Lens

Model Name: Sigma 17-50mm f/2.8 EX DC OS HSM Nikon Lens specifications.
Image:Sigma 17-50mm f/2.8 EX DC OS HSM Nikon fit Lens
Fivercam Price (used) UK
eBay Price (used) UK
Support WebsiteLink
Release DateFeb 20, 2010
General Specifications
Lens type Lens Specs Zoom lens
Max Format Size Lens Specs APS-C / DX
Focal length Lens Specs 17–50 mm
Image Stabilization Lens Specs Yes (4 stops claimed)
CIPA Image Stabilization Rating Lens Specs
Lens mount Lens Specs Canon F2.8EF-S, Nikon F (DX), Pentax KAF3, Sigma SA Bayonet, Sony/Minolta Alpha DT
Aperture Details
Maximum Aperture Lens Specs F2.8
Minimum Aperture Lens Specs F22
Aperture Ring Lens Specs No
Number Of Diaphragm blades Lens Specs 7
Aperture NotesRounded diaphragm
Optics (Optical Elements)
Elements Lens Specs 17
Groups Lens Specs 13
Special Elements Lens Specs 2 FLD glass elements 2 glass mold elements
Coatings Lens Specs 1 hybrid aspherical lens
Focus Specs
Minimum Focus Lens Specs 0.28 m (11.02″)
Maximum Magnification Lens Specs 0.2×
Motor TypeUltrasonic
Fulltime Manual Lens Specs No
Focus Method Lens Specs Internal
Focus NotesFor Pentax mount, AF will not function with DSLR cameras that do not support HSM
Distance Scale Lens Specs Yes
Depth-of-Field Scales (DoF) Scale Lens Specs No
Focus Distance Limiter Lens Specs
Physical Specs
Weight565 g (1.25 lb)
Diameter84 mm (3.29″)
Length92 mm (3.62″)
MaterialsMetal mount
Zoom Method Lens Specs Rotary (extending)
Power Zoom Lens Specs
Zoom LockYes
Filter Thread77 mm
Filter NotesDoes not rotate on focusing
Hood SuppliedYes (with new items)
Hood Product CodeLH825-03
Tripod Collar Lens Specs No
Optional Accessories
Lens Comparison Websites
CameraDecision WebsiteLink
DPReview WebsiteLink
Introduction: The Sigma 17-50mm f/2.8 EX DC OS HSM Nikon Lens is a Zoom lens lens that was released on Feb 20, 2010. In this review, we will explore the various features and specifications to help you make an informed decision about whether this is the right lens for you.
Body and Design: The Sigma 17-50mm f/2.8 EX DC OS HSM Nikon Lens not only delivers exceptional optical performance but also excels in terms of portability. Weighing in at 565 g (1.25 lb) and with a diameter of 84 mm (3.29″) and a length of 92 mm (3.62″), make it a reliable and convenient choice for photographers who value both the quality of their images and the ease with which they can carry and use their equipment.
Specifications: This lens offers a maximum format size of APS-C / DX, providing expansive coverage for stunning photography with a focal length of 17–50 mm. This lens provides a maximum aperture of F2.8, delivering versatility for different lighting conditions. With a minimum aperture of F22, it allows for precise control over depth of field and exposure settings. Featuring 7 diaphragm blades, the lens is designed to produce smooth and attractive bokeh, enhancing the aesthetic quality of out-of-focus elements in your images. The Sigma 17-50mm f/2.8 EX DC OS HSM Nikon Lens is constructed with a sophisticated optical design, featuring 17 elements arranged in 13 groups. This design ensures top-tier imaging performance, providing clarity, sharpness, and minimal aberrations across diverse shooting scenarios. The meticulous arrangement of optical elements contributes to the overall excellence, enabling photographers to capture detailed and pristine images. With a minimum focus distance of 0.28 m (11.02″), the Sigma 17-50mm f/2.8 EX DC OS HSM Nikon Lens allows photographers to get relatively close to their subjects, capturing intricate details with precision. The lens offers a maximum magnification of 0.2×.
Conclusion: The Sigma 17-50mm f/2.8 EX DC OS HSM Nikon Lens excels optically. Weighing 565 g (1.25 lb) with 84 mm (3.29″) diameter and 92 mm (3.62″) lenght, it adapts to diverse scenes with a max format size of APS-C / DX and 17–50 mm focal length. With a F2.8 aperture and 7 diaphragm blades, it ensures quality shots. This review helps you decide if it suits your needs.
Item 1
Fivercam Wiki information:

What type of lenses are there? DSLR and Mirrorless cameras have either full-frame or crop sensors. While full-frame lenses can be used on a crop sensor, a lens designed for a crop sensor cannot be used on a full frame. Camera lenses can be broken down into two main types, zoom lenses and prime lenses. Zoom lenses are one of the most common types of lenses that you will need. While Prime lenses have a fixed focal range, which means that you cannot zoom in or out. They are perfect for portraits or landscape photography. The other lens types are fisheye for abstract photography, wide angle for landscape and architecture, standard lenses and short telephoto lenses for street, travel and portrait, medium telephoto for sports, wildlife, action, super telephoto for sports from a distance, nature and astronomy and macro for close-up shots.

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