All the current m4/3 cameras use contrast-detect AF which is slower by a noticeable margin to phase-detect, which is used by DSLRs. The only serious difference is actually speed. All these models had one successor since. H ere is how the differences looked last year. Obviously, it varies between models but a recent m4/3 camera compares to a recent one with an APS-C within one stop in terms of noise, and it is rarely visible until ISO 800+. While true, it is actually quite minimal. There is a disadvantage due to the sensor size, everyone will say that. You probably wouldn't try putting one in your pocket unless you have both a large pocket and a very short lens attached. ![]() The problem with this though is that the lenses are still fairly large when it comes to portability. The camera body itself is typically no larger than a large compact. For example, Sony's NEX-5 (not Micro 4/3rds but similar) apparently are very fiddly and it's better to just use them in an automated mode like Program mode.Ī major physical difference is the size. If you plan on shooting manual with a Micro 4/3rds camera you may have to look around for the one that won't hinder you. Phase detect AF can take less than a second in good light, whereas contrast AF can typically take 3-4 seconds and most often takes this long in any conditions.Īnother difference is that on a lot of Micro 4/3rds cameras, the manual controls for aperture, shutter speed and ISO aren't as accessible as an SLR camera. This means there is no phase detect auto-focus which is much quicker than contrast based auto focus. ![]() The second technical difference is that almost all Micro 4/3rds cameras currently use an electronic viewfinder, not an optical viewfinder. Noise will be comparable to APS-C (1.6x), though probably not quite as good, but this is also dependent on the sensor technology. The first technical difference is the fact that the sensor is smaller than the most common DSLR sensor sizes (APS-C and larger), whilst it's going to be less optimal than an APS-C, full frame or medium format (very expensive) sensor, it's still going to be far better than compact sensors.
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