Lens Test: Pentax-DA 17-70mm f/4 AL SDM AF

A very useful zoom lens that produced excellent SQF test results.

By Julia Silber
February 10, 2010

Latest

Make your own Instagram filter
The 58mm F0.95 Noct is Nikon’s fastest lens ever
Check out these vintage photos of dogs and their people
Ricoh firmware upgrade for GR III is here
All hail Holly, the queen of Fat Bear Week
How to photograph neon signs
Nikon’s Z50 is a mirrorless DX format camera with a Z mount lens
Firmware upgrades coming to a number of Canon cameras
Adobe Photoshop Elements and Premiere Elements 2020 taps AI to help edit photos and videos