LensRentals has loaned me a Hasselblad XCD 135mm f/2.8 lens for testing. I tested the XCD 135/2.8’s out of focus (OOF) point spread functions (PSFs) by focusing the lens to minimum focus distance (MFD) and aiming it at a LED mini flashlight about 25 feet away. With mechanical shutter at three high shutter speeds: … [Read More]