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]

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]

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]

In the previous post, I showed you Siemens star images made with the Nikon 135/1.8 Plena on the Z7 with the star in the center of the frame. In this post, the images comes from the lower left corner. Edelkrone Tripod X Pro Arca Swiss C1 Manual exposure EFCS ISO 64 Delay set to 2… [Read More]

I’ve had this lens a while, and it’s been great. I was recently asked to test it. So here goes. The particulars: Edelkrone Tripod X Pro Arca Swiss C1 Manual exposure EFCS ISO 64 Delay set to 2 seconds Six shots per f-stop Target centered Stops: f/1.8, f/2, f/2.8, f/4, f/5.6, f/8, f/11 Shutter speeds:… [Read More]