Misinformation about m4/3

Started 9 months ago | Discussions thread
Sean Nelson
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Re: I would add few more points ..
In reply to mh2000, 9 months ago

mh2000 wrote:

When I took basic photography course, there were people shooting 35mm and 120. When the teacher assigned us to experement with DoF, didn't didn't differentiate who was shooting which. Just that we had to figure out with our own equipment how to get shallow and deep DoF and make good photos using each. There was never anything stating that we had to have a certain FL or required max aperture. It was understood that people shooting different gear would have different limitations.

35mm and 6x6cm are very similar in their DOF capabilities because the fastest commonly available lenses for 35mm cameras are about 2 stops larger than those available for 6x6 cameras.

It gets harder as you move towards smaller sensor sizes.  M43 does have a few f/0.95 lenses available, which can put it into close to the same ballpark as 35mm full frame, but they tend to be rather uncommon.   And when you start getting down into compact camera territory then photographic exercises requiring shallow DOF get more difficult and require more careful consideration of subject size and shooting distance.

That doesn't mean you can't demonstrate and do experiments with M43 or compact cameras, it just means you need to be more careful about the conditions.   For example, you can't ask people using compact cameras to use DOF isolation for a 3/4 portrait inside a classroom because there just isn't enough room to use the long focal length and large subject-to-background distance that would be required to do it.

So I can see how a course syllabus may need to be adjusted to deal with cameras outside the expected range of types.   That having been said, I'd be pretty surprised if the class in question didn't have a lot of participants using APS-C cameras, and if they could be accommodated then it's hard to imagine that M43 would pose any big issues.

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