Tags Posts tagged with "f/2.8 aperture"

Tag: f/2.8 aperture

Duo of Ricoh Wide-Angle Lenses for Pentax K-Mount DSLRs

West Caldwell, NJ-Ricoh Imaging Americas Corporation launched two Ricoh wide-angle lenses for Pentax K-mount digital SLR cameras: the HD Pentax-DA★ 11–18mm f/2.8 ED DC...

Tamron 17-35mm f/2.8-4 Di OSD Compact Ultrawide-Angle Lens

Commack, NY—Tamron introduced the Tamron 17-35mm f/2.8-4 Di OSD (model A037) ultrawide-angle zoom lens for 35mm full-frame DSLR cameras. A separate concept from the...