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Lenses and Filters Section

Close-up images and details of the Tamron AF17-50mm f/2.8 Di-II LD Aspherical (IF) zoom lens

Box contents of the Tamron A16S 17-50mm f/2.8 zoom lens

A couple of sample photos taken with the Tamron AF17-50mm F/2.8 Di-II zoom lens mounted on a Sony A350 DSLR

Why I chose to purchase the Tamron 17-50mm f/2.8 lens for my Sony Alpha DSLR, after three years of sticking to a single lens

Photographs for new Canon DSLR camera lenses

Introducing the Canon EF 100mm f/2.8L Macro IS USM, EF-S 15-85mm f/3.5-5.6 IS USM, and EF-S 18-135mm f/3.5-5.6 IS Lenses

Replaced old polarizer with slim polarizer to reduce vignetting at wider angles

June 08, 2009

On my recent trip to Italy I ended up taking many landscape shots, as usual.  After reviewing the photos from the trip, I came to the conclusion that I need to add two more pieces of equipment to my mounting pile of photo gear.  Fortunately, these two things are relatively inexpensive. The first thing I [...]

Since I just got the Sony SAL-18250 lens to replace the Sony SAL-18200 as my main lens, I figured I would compare them.  I haven’t had the chance to shoot anything with the new lens yet, so I really can’t compare image quality right now, that’s for a later post.  Otherwise … The Lenses The [...]

Basics The Sony SAL-18250 lens has a focal length of 18-250mm. The maximum aperture has a corresponding range of f/3.5 to f/6.3. The minimum aperture ranges from f/22 to f/40. It also sports a lens lock switch, a nice mechanism to lock your lens at its shortest length, for compact and secure transport and storage. [...]