11 Sep 2016 | photo, reviews, thoughts
What happens when a Leica M lens is mounted on a Panasonic DMC-GX7 body? Panasonic GX7 is a mirrorless camera of the micro fourth third system, in short we call it M4/3 or MFT. It is a system designed by Olympus and Panasonic on 5 August 2008. The sensor measures...
13 Mar 2016 | photo, reviews, thoughts
My Summarit-M 90mm is a previous model, not the current. The largest aperture is f/2.5 while the the latest is f/2.4. That difference in aperture does not contribute a significance in image quality in theory. The launch of new version Leica M lenses means there...
13 Feb 2016 | photo, reviews, thoughts
It is time I took some images with and without mounting the X4 Circular Polarizer on my Summicron-M 50 mm F/2.0. Because of limited time I could spare, I only made two sets of images to illustrate how the X4 CPL works to remove reflections and glares from shiny...
11 Feb 2016 | photo, reviews, thoughts
The next thing before using the X4 Circular Polariser was to open the box to see what was included in the package. A very nice microfibre cleaning cloth is placed on top of the filter case. The red bold text “WARNING” catches my eyes. ...
10 Feb 2016 | photo, reviews, thoughts
I am not sure if X4 Circular Polarizer started at the beginning as a Kickstarter project, nor if it was introduced on Digital Photography Review or earlier. But I am certain that at the beginning they did not have a plan to produce a filter size as small as 39mm for...
