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Forum: Pentax Full Frame
10-30-2017, 07:53 PM
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...no, it won't. Dammit that's not how this works.
The exposure triangle is a rule, and it the same for all formats.
If the proper exposure for a scene is 1/125s at f4 at 1600iso, it doesn't matter if it's a m43, aps-c, 35mm, medium format, or large format sheet film.
It might be true that the K-1 might give a more acceptable image at 1/250s and iso3200 than the K70 at 1/125 and iso1600 , but that's a function of the sensor tech not the format. It's not a free lunch; you haven't gained a stop of light for free as it's still shooting at a higher ISO. It might also be true that the K1 at 1/250s at iso1600 and pushed a stop in Lightroom might give a cleaner image than the aps-c camera, but again that's because the sensor technology is better rather than any inherent advantage of the larger format.
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