From the mailbag: I was pleased to see a posting on your site regarding the use of the CO60/4 for IR. I have been using the Zeiss 25/2.8 ZF-IR lens for my 830nm conversion and have recently been considering either the 50/1.4 ZF-IR or the CO60/4. If money weren’t a consideration then there would be… [Read More]
Archives for January 2015
Tripod leg extension strategies
From the mailbag: I was wondering if you would be willing to test the proposition that one should always extend the thickest legs first when setting up a tripod. I suspect this is not true for RRS tripods and DSLRs. I’m asking partly because confirming or dispelling old wives tales is fun, and partly because… [Read More]
Sony a7II controls
To say that the Sony camera controls have been in a state of flux since the beginning of the NEX series would be an immense understatement. The user interface (UI) has changed wildly from model to model, usually for the better. When Sony introduced the alpha 7 line, they came out with three models with… [Read More]
Mirrorless IR
When I got the alpha 7II, I sent my old a7 off to Lifepixel to be converted for infrared. I had a hard time deciding what flavor of IR response to go for. A while ago, I had a D3 mofified with the near IR filter, and that was OK, but I wanted a more… [Read More]
Photo credits
Many years ago I interviewed Jack Welpott for the Center for Photographic Art Newsletter, Focus. You can find it and many other interviews here. As was my habit, I made a portrait of Jack to accompany the interview: Last week, the CPA posted the portrait on their Facebook page. There was no photo credit. At… [Read More]