Q-I received a Nikon F3 with a 50 mm. lens as a gift. I`m unfamiliar with the lens and how to properly focus the camera. Can you explain it to me in a simple way? A-There are only two things on the ...

Please provide your email address to receive an email when new articles are posted on . The options for surgical presbyopia control are ever expanding and obviously not affected by the pandemic. Among ...

Please provide your email address to receive an email when new articles are posted on . A pinhole effect, achieved through surgery, pharmacologic agents, IOLs or inlays, can treat significant ...

RF and L mount versions are manual focus only Composition can be tricky at such a wide angle Strange pentagonal bokeh using the autofocus version Testing the Venus Optics Laowa 10mm f/2.8 Zero-D FF ...

Varioptic, the liquid lens company, announces a 3.9 mm clear aperture variable focus lens. Designed for imaging and laser products requiring a large aperture, Arctic 39N0 features the same performance ...

Want to make your camera system even more flexible? These magic rings can make many lenses fit on cameras they weren’t made for. Here’s how to put adapters to work. Also check out our lens adapting ...