With a mere 70° turn of the zoom ring, you can reach all the way to 600mm for tight framing with ... Versatile close shooting. The lens features a minimum focus distance of 4.27 ft at the 180mm ...
(From Pentax lens literature) The Pentax SMC P-FA 600mm f/4 ED IF telephoto is an ideal lens for professionals and advanced amateurs interested in sport and wildlife photography. It incorporates ...
"The SMC PENTAX-A 600mm f/5.6 ED (IF) lens meets professional standards by incorporating Extra-low Dispersion (ED) optical elements to produce a sharp, crisp image with minimal chromatic aberration.
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 ...
The compromise, though, is that the Canon G3X's lens has a dimmer variable aperture, which drops from f/2.8 at wide angle to f/5.6 at full telephoto. 600mm equivalent (220mm), f/5.6, 1/500s ...