Panasonic 100-300 vs. Olympus 75-300 II lens test

Started Apr 4, 2013 | Discussions thread
Rol Lei Nut
Regular MemberPosts: 276
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Re: Panasonic 100-300 vs. Olympus 75-300 II lens test
In reply to Adjuster, Apr 5, 2013

Adjuster wrote:

Excellent point, Tony. One of my frustrations is that every lens has a different sweet spot. Some lens are okay at wide open. I may have to write a cheat sheet and paste it on the camera or lens.

I will try to test multiple apertures.

That's exactly the reason for carrying out *properly done* lens tests: you get to  know how your lenses behave in various situations and conditions.

Multiple apertures are simply a basic requirement. Multiple distances are also good to test: Near infinity (200-300 metres at 300mm should approximate infinity closely enough without too much atmospheric distortion, depending on weather), medium distance (about 7-15 metres), and close range (about 2 metres, or whatever your closest focusing distance is).

Best, read up on lens testing procedures. It's not so simple and mistakes are easy to make (made plenty myself over the years - and still do!  ).

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