I would recommend the XF16 for improved optical quality
29 October 2015
Summary: I've used this lens almost exclusively for two years. Because I need to travel extremely lightly and work in challenging conditions, the very compact size of this lens is important. However, it is lacking in optical quality at the edges and I often encounter green/magenta chromatic aberration.
Summary: To confirm what other reviewers have said -- this is better that what some of the negative reviews on the web say. Yes, if you photograph a brick wall you can see some softness in the corners when not stopped down. You are less likely to see this with other subject matter.
Summary: The strange collectible A review of Fujifilm XF 18mm f2 R Considered by many as as the bottom dweller in Fujifilm's hierarchy of lenses, the Fujifilm XF 18mm f2 R has some of tricks up its sleeves that make it worthy to be in your bag. Here are some of them: 1.
Excerpt: I only have my initial thoughts, but so far the lens is everything i expected- small, solid, great field of view, and great IQ. It's a little strange that the barrel actually extends a little during focusing, but it's not too noticeable.
Pros: Fast / accurate auto-focus, Lightweight, Nice Bokeh, Sharp, Small, Strong Construction
Excerpt: I'm using this as the "normal" lens for my Fuji X-E2. It is very small and compact and reliably focuses quickly. I like the fact that I can maintain a low profile while shooting in very public places like street markets, outdoor festivals etc.
Pros: Fast / accurate auto-focus, Lightweight, Street Photography