Julian Vrieslander

I think Bill may be misinterpreting the chart on the web page he linked. Perhaps his screenshot was taken from a browser window that collapsed the columns of the chart. Here is a correct clipping ...

It is well known that Leica lenses receive very stringent quality control in manufacturing. In objective measurements done by unbiased sources, they show well, but often not obviously superior to ...

I have this case from LowePro, which looks similar to the others in this thread. https://www.lowepro.com/us-en/lens-case-13-x-32cm-lp36307-pww/ Perhaps they are all from the same manufacturer, just ...

That's a design flaw, and I noticed it immediately when I saw the images of this product. On the knock-off product, the two roller wheels are fixed to a piece that can only be adjusted up and down. ...

After I ran an AF calibration on the lens, I did a few quick comparison shots of the Kirk collar (with front support) vs the Nikon collar. With the lens at 500mm, I focused on a house about 1/4 ...

I have the Kirk NC-200-500V3 Combo collar for the 200-500 which includes the device that supports the front of the lens. Build quality is excellent, it fits perfectly, and it certainly eliminates ...