Which focal length should I choose for "lens info"?

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Magstorm New Member • Posts: 18
Which focal length should I choose for "lens info"?

Yesterday I picked up a Hanimar 135mm f2.8 that I bought on ebay, and I must say I'm pleasantly surprised by its performance. However, there's something I don't understand, and it's why the field of view is identical to my 45-150 at its longest end. It's adapted, of course, but does that affect the crop factor?

I have an E-M1 mk2 and since the lens doesn't have any "modern" features such as autofocus or image stabilisation (there's no communication between the lens and the body) I wonder if I should set the lens info to 135mm or 150mm? I don't know if it'll make much of a difference when it comes to image stabilisation from the body, but I would still like to get the best I can of course.

Any thoughts?

Olympus E-M1
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