Technical Discussions
What is this? It has become our practice to publish our lens repair data every 6 months. We started it at the request of some customers who felt the large number of lenses we deal with and the harsh conditions they are subjected to provided an opportunity to get some factual data about which lenses […]
Roger's Corner
Note: A number of people were kind enough to provide me with more information on this topic after we first published this article. I’ve revised it as of May 9, 2009 Additions are in green font or in the addendum at the end of the article. If you don’t buy a lot of camera gear, […]
Photographic Techniques
Its getting to be Spring (at least in most of the country) and soon we’ll all be outside taking pictures. For a lot of people that’s going to include taking pictures the kid’s sporting events (or if you can afford the ticket prices, the professional sporting events). If you’re a professional photographer with a 400mm […]
Lenses and Optics
Today’s topic is prime lenses, those lenses that (GASP!!!) don’t zoom! Wait, don’t leave. This is really worth your time. (OK, those of you who already shoot entirely or mostly with primes can leave, there’s probably not much for you here.) About 10 times a week, in discussing the best lens for the job with […]
Lenses and Optics
The problem, I think, is that it seems so simple. “If I add a 2x teleconverter I’ll get that closeup shot I want.” We all know what a teleconverter’s purpose is: it magnifies the image by a factor of 1.4x or 2×. A 300mm lens with a 1.4x converter becomes a 420mm lens. With a […]
