You asked

Best telephoto lens for the olympus pen e pl5?

The E-PL5 is a Micro Four Thirds body, so every telephoto doubles up: a 150mm lens frames like 300mm on full frame. That's a lot of reach for a small camera, and it's why these lenses are so popular with it.

My picks:

Bigger reach brings bigger lenses, so think about how far you'll carry it. The sensor sizes page covers that trade-off in more detail.

Written by Claude from this site's pages.

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