When I did my review of the Hasselblad XCD 135/2.8 a few weeks ago, a few people asked me to compare it to the venerable Zeiss 135mm f/2 Apo-Sonnar. It took me a while to dig up the lens, but I finally found it, and ran my usual Siemens star test, using the Zeiss version… [Read More]
Hasselblad XCD 135/2.8 vs Zeiss 135/2 Apo-Sonnar, Siemens star on axis
When I did my review of the Hasselblad XCD 135/2.8 a few weeks ago, a few people asked me to compare it to the venerable Zeiss 135mm f/2 Apo-Sonnar. It took me a while to dig up the lens, but I finally found it, and ran my usual Siemens star test, using the Zeiss version… [Read More]
Nikon 58/0.95 Noct vs Zeiss Otus 55/1.4 on Z7, Siemens star, corner
In the last post, I compared on-axis performance of the two lenses. Inb this post, I’ll look at the lower left corner. The particulars: Edelkrone Tripod X Pro Arca Swiss C1 Manual exposure EFCS ISO 64 Delay set to 5 seconds Six shots per f-stop Target centered f/1.4, f/2, f/2.8, f/4, f/5.6, f/8 Shutter speeds:… [Read More]
Nikon 58/0.95 Noct vs Zeiss Otus 55/1.4 on Z7, Siemens star on axis
When I did my review of the Nikon Z-mount 58 mm f/0.95 Noct, I received messages from people who wanted comparisons with the Otus 55mm f/1.4. I like to be responsive to reader requests, so here goes. The particulars: Edelkrone Tripod X Pro Arca Swiss C1 Manual exposure EFCS ISO 64 Delay set to 5… [Read More]
Nikon 135/1.8 Plena on Z7: field curvature
Today I tested for focus curvature with the matched 1.7 X teleconverter (TC), using Roger Cicala’s test method. I found a flat surface with some texture, set the lens to wide open, In order to show the in-focus area, I brought the image into Photoshop, and selected Filter>Stylize>Sharpen Edges. These are excellent… [Read More]