Oct 14, 2009 · The Canon EF lens protocol is a private interface. And so far, no one has publicly published the protocol from reverse-engineering it. Companies ...

The auto-focus mechanism on this lens is based on Canon's micro motor. It is noisy and doesn't sound very smooth. In low-light and low-contract situation, it ...

To clean such a smudge off can be an extremely tiring exercise. Since you can't get your whole finger through the lens opening, you can't really put the lens ...

The first step is to get a lens that mounts on the camera that one owns, preferably an used and inexpensive lens, as we are going to ill-treat it. Prefer a ...

50mm SLR Lens Specifications. So I've been taking products shots this past few years and 50mm lens represents the product closes to natural human eyes.

The goal was to experiment and get them to work with my digital, APS, and 35mm system. These teleconverters have rear lens element that are much smaller than ...

The Holga 60mm f/8 Lens allows your digital SLR camera to emulate the traditional Holga film camera. The photo it produces is far from spectacular from today's ...

Step-by-step instruction on making a Canon EOS pin-hole lens. Same steps may be followed for other camera systems.

Today, I came across an article on building your own "Tilt-Shift PC Lens". It is really quite an interesting article on using a rubber plunger in between the ...

The Canon EF-S 55-250mm f/4-5.6 IS II lens is an opportunity for most new photographers to get a taste of wildlife photography. It's a excellent companion for ...