the last word

I don’t know if you’re tired of looking at pictures of bookcases and test charts, but I’m tired of making them. So, for a little break, here are some IR pictures with the LifePixel-modified Sony a7 and the 28mm f/1.4 Nikkor-D. The camera has LifePixel’s “Super COlor” filter, which passes some visible light in addition… [Read More]

A reader asked if I’d test the in-body image stabilization (IBIS) on the Sony alpha 7II with a really short lens, to add to  the testing I’ve done previously with a 180mm Apo-Telyt and the Zony 55mm FE and the Leica 28mm f/2.8 Elmarit-R. I selected the Leica 16/18/21mm f/4 Tri-Elmar, aka the WATE. Sony calls IBIS SteadyShot…. [Read More]

When you change shutter modes on the Sony alpha 7II, you may affect the bit depth. Because of the raw compression algorithm on this and all the other alpha 7 cameras, which is not defeatable, I need to go into a little detail about just what bit depth I’m talking about. The raw compression scheme… [Read More]

A couple of days ago, I tested the MTF vs f-stop of the 28mm f/1.4 Nikkor-D mounted on a IR-modified Sony alpha 7. At the time, there was some discussion as to why the lens delivered the best IR-only results at f/2.8. Jack Hogan speculated that it might be something with the adapter. I checked and… [Read More]

A reader asked if I’d test the in-body image stabilization (IBIS) on the Sony alpha 7II with a shortish lens, to bookend the testing I’ve done previously with a 180mm Apo-Telyt and the Zony 55mm FE. I picked the Leica 28mm f/2.8 Elmarit-R, which has shown strong sharpness in previous testing. You won’t find the… [Read More]