Sigma
Sigma 30mm f/2.8 EX DN for Sony E Mount NEX 3
The standard lens is an important lens for any system, and Sony doesn’t have one for the NEX, how does this little Sigma do?
Sigma APO 50-150 mm f/2.8 EX DC OS HSM for Nikon D7000
With 70-200 mm lenses being so popular for 135 full format, How does this Sigma APS-C equivalent perform?
Sigma 19mm f/2.8 EX DN for Sony E Mount NEX 3
With E mount lacking in compact lenses, how does this humble Sigma perform?
Sigma 20mm f/1.8 EX DG
One of the advantages with full frame cameras is the large variety of wide angle lenses. What can you do to make it even better? Make it a large f/1.8 aperture. The question is,...
Sigma 24mm f/1.8 Macro EX DG
With the Nikon 24mm f/1.4 costing nearly $2000, it is natural to consider alternatives. The Sigma 24mm f/1.8 EX DG Macro is about 1/4 of the price new, and even less used. The question...
Sigma DP1S 16.6 mm f/4
What do you get when you combine a Foveon sensor from a DSLR, a body from a point and shoot, and give it an excellent 16.6 mm f/4 lens(28mm equivalent field-of-view in 135 format)?...
Sigma 8-16mm f/4.5-f/5.6 Review
The new Sigma 8-16mm f/4.5-f/5.6 is a promising new ultra wide angle lens for APS-C and smaller formats. On Pentax it offers an incredibly wide 120° diagonal field of view (112° horizontal by 89°...
Sigma 30mm f/1.4 EX DC
The Sigma 30mm f/1.4 is an interesting character. It is the only lens of its kind for any of the common mounts. For APS-C sensors it is very close to a standard lens with...
