Lens Suggestions for Newbie with a Panasonic GH4

Started 4 months ago | Questions thread
pannumon
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Re: Lens Suggestions for Newbie with a Panasonic GH4
In reply to fevan, 4 months ago

fevan wrote:

fevan wrote:

Sigma 18-35mm f1.8 with Nikon mount and a Nikon to M43 adapter that can adjust aperature.

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Lightwriting with Sigma

When using the sigma what are you sacrificing? Focusing speed?
Is it still 2x crop?

The sigma with the adapter would only be manual focus. Crop with a normal adapter is still 2x but with a metabones speedbooster the crop decreases to 1.42x and you gain an extra stop, so the f1.8 becomes I think f1.1 or 1.2.

You actually gain? At no iq sacrifice?
Interesting.

Actually you gain resolution. Or to put it in another words, you re-gain the resolution that is lost because of cropping, because the cropping gets smaller.

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