I noticed people in general are interested in how each lens sounds (myself included), so I thought it would be helpful to put together a video demonstrating a set of lenses and how they sound when doing auto-focus (AF). This set is Pentax as it is the brand I use currently. The other benefits of this video is that you can get a feel for how the lens handles and what the focus travel is, if any (some lenses are internal focus). Here is the video on Youtube (720p version available): http://www.youtube.com/watch?v=K3hOiOpCYsA The camera doing the auto-focus is a Pentax K-7 and the one taking the video is a Pentax K-5 using 720p 30fps video mode. The lenses included in the video: Pentax DA 14mm f/2.8 ED IF Digital Auto Focus Lens Pentax SMCP-DA 10mm-17mm f/3.5-4.5 (IF) Auto Focus Fisheye Zoom Lens Pentax D-FA 100mm f/2.8 Macro WR (Weather Resistant) Auto Focus Lens Pentax FA 31mm f/1.8 AL Wide Angle Auto Focus Limited Edition Lens Pentax DA 50-200mm f/4-5.6 ED WR Auto Focus Telephoto Zoom ...
VIDEO | EXPLORATION | PHOTO