Developed specifically for PENTAX digital SLRs, the DA* 200mm ED (IF) SDM lens has PENTAX SP coating which protects the exposed lens elements, and a focal length equivalent to 300mm in the 35mm ...

It falters a bit at 450mm f/5.6 (2,100 lines), but picks up at f/8 (2,600 lines). I approached the SMC DA* 300mm F4 ED[IF] SDM in hopes ... full-frame Pentax HD 70-200mm F2.8. But we'd love ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 13 years, which has given me a front row seat for the DSLR to mirrorless transition, the ...

Even so, that makes it shorter and lighter than the Pentax-fit edition of the Sigma 70-200mm f/2.8 lens, which weighs 1.43kg. It's one upside of a fixed focal length, along with potentially ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 13 years, which has given me a front row seat for the DSLR to mirrorless transition, the ...

Tamron's SP AF 70-200mm f/2.8 lacks the silent focusing motor of the Pentax and Sigma lenses, but only costs around £610. Pentax SMC DA* 200mm f/2.8 ED(IF) SDM: Handling and features ...