How do online lens comparison tools and databases work?

Nov 14, 2019 ... What is a telephoto lens? A telephoto lens has a longer focal length than a standard lens, yielding a magnified image and a narrow field of view ... Oct 3, 2024 ... I got my iPhone 7plus just in time for a hiking weekend. I was eager to try out the 2x room lens. Here's my opinion of it. Jun 9, 2022 ... The real creative advantage of using a telephoto lens is they allow you to compose the background differently, by reducing the field of view and adding what is ... A review of the Zeiss 85mm f/4 Tele-Tessar for Leica M mount. This lens is often overlooked by those looking for a telephoto M lens, but for many it is the ... Apr 22, 2011 ... So when do you want to use it: · Zoom lens is the general term used for any lens that varies its focal length. · Telephoto lenses are lenses ... Jun 8, 2013 ... The crop factor made it an even more extreme tele zoom lens. That was cool. I learned too that there are different crop factors, e.g. Nikon has ... Jul 5, 2017 ... The Canon EF 100-400mm L IS USM "II" is an excellent lens with very high image quality, durable build, additional sealing for dust/weather resistance. What is the focal length of the human eye? • Wide-angle, standard and telephoto lenses explained • Gaining extra reach with lens extenders and teleconverters. Dec 29, 2014 ... Photography techniques using telephoto lenses to photograph flowers and foliage. December 29, 2014 Thomas Stirr Aug 30, 2022 ... The tele conversion lens GT-2 is for GR IIIx only. To use it with the GR IIIx, it must be used together with the dedicated adapter (Lens Adapter GA-2).