While I haven't shot with this lens, as a fan of incredible technology, this lens is really impressive. Perhaps it is the sharpness of this lens, the image stabilization that will synchronize with you E-M1 or E-M5II camera's 5-axis IS, or that it is both compact (relatively) and weather sealed, or it is a pseudo macro lens with its 1:4 magnification (at 300mm!) but the enthusiast in my would dearly appreciate using such a lens.
Whether you shoot with M43 or not, I'd highly recommend reading Robin's site and read his review and view is impressive photos. While Robin is an Olympus employee, his reviews always seem quite even handed an overall objective. Is casual writing style and qualified observations always give me an impression of non-bias and high-quality reviews.
I hope one day to have my hand at this lens and put it to the test. However, I've always been impressed with Olympus lenses and can't imagine that this lens could possibly disappoint me. Of course, the equipment isn't what takes the picture, the photographer does but having some bad ass equipment always does seem to help!
Head over to Robin's review and give his site some traffic to say thanks for allowing me to share some of his photography and review on my site.
All images in this post were shot by and are the property of Robin Wong and viewable here.