Archives for 2024

LensRentals has loaned me a Nikon 58 mm f/0.95 Noct for testing. I tested for illumination uniformity at f/0.95, f/1.4, and f/2. I focused the lens on infinity, and made four exposures of a white wall about three feet away with the camera turned 90 degrees around the lens axis between each shot. I brought… [Read More]

LensRentals has loaned me a Nikon 58 mm f/0.95 Noct for testing.  In the previous testing, I found that this lens has outstanding far-out-of-focus bokeh. I made some images to let you all judge the transitional bokeh.             Looks great to me. The EFCS shading observed in the LED bokeh… [Read More]

LensRentals has loaned me a Nikon 58 mm f/0.95 Noct for testing.  I tested for field flatness using Roger Cicala’s Ps>Filter>Stylize>Find Edges trick with the lens on a Z7 body wide open. The scene: The results at two distances:       The field is very flat. Some longitudinal chromatic aberration (LoCA) is visible.

LensRentals has loaned me a Nikon 58 mm f/0.95 Noct for testing. In the previous post, I showed you out of focus point spread functions wide open and at f/1.4. Those were made with the mechanical shutter. They were the second set I made. The first set was made using EFCS, and it showed shading:… [Read More]

LensRentals has loaned me a Nikon 58 mm f/0.95 Noct for testing. I tested the Noct’s out of focus (OOF) point spread functions (PSFs) by mounting it on a Z7, focusing the lens to minimum focus distance (MFD), and aiming it at a LED mini flashlight about 25 feet away. I used the mechanical shutter…. [Read More]