Panasonic Decision To Make 100-300 f4 zoom a great idea...

Started Jul 31, 2014 | Discussions thread
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xerophytenyc Regular Member • Posts: 424
Re: Panasonic Decision To Make 100-300 f4 zoom a great idea...

Forget anything that has 400 f/4: it would be to big!

400 mm f/5.6 would work nicely, if it is good and focusses well! Prime or end of zoom range.

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Yes, too big. 400mm ÷ f4 = 100mm aperture diameter, almost 4 inches wide! And it would need even more room to project a shrunken image onto the sensor.

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