Sigma 20-40mm f/2.8 EX DG Aspherical - Digital Cameras, …
Nov 5, 2005 · Sigma has produced an excellent 2x wide angle zoom lens with the 20-40 f2.8 EX DG. While the range may not suit users of DX (APS-C format) cameras, it is very useful for full-frame film or...
- Reviews: 5
Sigma EX DG 20-40mm F2.8 - Pentax Forums
Oct 3, 2018 · Sigma EX DG 20-40mm F2.8 reviews and specifications. Weight: 595g / 20.9 oz. Length: 107.8mm/4.2 in. Filter Diameter: 82mm Min. Focus: 30cm / 11.8 in.. This is a Sigma Zoom lens.
Sigma EX Aspherical DG DF 20-40mm f2.8 Interchangeable Lens …
Jan 25, 2002 · The 20-40mm f/2.8 EX lens is a new addition to the Sigma range. Providing a continuous maximum aperture of f/2.8 between the minimum and maximum focal lengths.
Sigma 20-40 mm EX DG image quality - Digital Photography …
Feb 10, 2007 · Recently, I bought the Sigma 20-40 mm f/2.8 EX DG. So far, I've been disappointed with the IQ, and today I made some controlled test-shots comparing the 20-40mm DG to the 18-50 DC. All test shots was taken with camera on tripod, using a wired remote.
Sigma 20-40mm f/2.8 EX DG Aspherical Wide Angle Zoom Lens …
Apr 14, 2005 · This large wide aperture zoom lens that covers focal lengths from an ultra-wide angle range of 20 mm to a near standard lens focal length of 40mm, with a bright maximum aperture of F2.8. The lens has a minimum focusing distance of 30cm at all focal lengths.
- Reviews: 2
Sigma introduce 20-40mm F2.8 zoom lens - Digital …
Aug 21, 2001 · Sigma has today announced a new AF 20-40mm F2.8 EX DG lens. Again this lens appears to be aimed at owners of digital SLR's because it offers a relatively useable bottom end (wide end) to a normal mid point in a compact lens construction.
Review: Sigma EX 20-40mm F2.8 DG (updated March 2025)
A complete review about this standard zoom lens where you also see what cameras Sigma EX 20-40mm F2.8 DG is compatible with.
- Reviews: 1
Sigma 20-40mm F2.8 EX Aspherical DG DF A-mount lens info
SIGMA has created a new 20-40mm lens with F2.8 hroughout its zoom range, from ultra-wide 94.5 degrees to near-standard 56.8 degrees angle of view, for photographers to shoot more creatively from various angles and zoom perspectives.
Sigma 20-40mm f/2.8 EX DG DF 35mm Zoom
Large diameter = shadow with built-in flash. Fast focusing, no complaints about picture quality. Reasonable range for outdoor use. I'll buy a zoom lens (70-200?) and my needs will be covered. The lens is LARGE though!
- Reviews: 3
Sigma 20-40 mm f/2.8 EX DG Aspherical - LensTip.com
Best digital cameras and lens reviews. If you are looking for the information about digital cameras and lenses you are in a right place. We have many professional tests of digital photography equipment.