Algreen345

That is a post processing fringe left from applying a lowpass filter.  Lens has no artifacts.

Thanks.  Did the Kenko Pro 300 1.4x degrade the image much?  I'm interested in that extender and would be grateful to hear your experience using it with the Sigma.

When the Oly 300mm f4 was announced I was very excited.  But then came the price and I said no way.  So I started hunting for alternatives.  I thought about the Canon EF 300mm f4 L with a Kipon AF ...

Albert, Apologies for the long delay in responding.  I don't often come this forum and just saw the number of responses after my post. To answer your questions, I rarely use a tripod with the ...

Thank you.  Here are some more.  All shot handheld

I used a tripod for the first three and did the other two handheld.  I find the 45-175 to be so light and easy to use and sharpness hand held is excellent.

Well done.

I used a slide projector (you take out the front lens assembly and put an opaque piece of plastic in front of the back lens to soften the light) with my EM1 on a tripod focused on the slides to ...

Some Birds Captured with the E-M1 and Lumix 45-175, which is a superb lens

Placed 16^th in the challenge.