With a micro 4 3 camera you lose exactly 2 stops of shallow depth of field versus a full frame camera and one stop versus in a psc sensor size camera.
3 4 frame camera.
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The image ratio is 4 3 instead of the common 3 2 ratio found in dslr s and they use an electronic viewfinder which shows you a real time preview of the image before you.
The common inch based sizing system is derived from vacuum image sensing video camera tubes which are now obsolete the imaging area of a four thirds sensor is equal to that of a video camera tube of 4 3 inch diameter.
Thus a micro four thirds camera gives us less shallow depth of field at similar focal lengths when compared with a full frame camera.
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The image sensor of four thirds and mft measures 18 mm 13 5 mm 22 5 mm diagonal with an imaging area of 17 3 mm 13 0 mm 21 6 mm diagonal comparable to the frame size of 110 film.
The main point of the micro 4 3 camera is to offer the photographer a smaller lighter camera body that has the features of a dslr camera.
One other point for professional photographers.
220 mm is approximately 30 less than the aps c sensors used in other manufacturers dslrs.
For example an image shot at f 1 8 on a micro four thirds camera would give an output similar to an image shot at f 3 6 on a full frame camera and f 2 7 on a crop sensor camera.
Overview of the different sensors.
Since digital sensors became the standard in photography a plethora of formats were developed and nowadays there are many different sensors to choose from.
Full frame cameras are suitable for a wide range of photographers and budgets here s a list of the best full frame cameras for 2020.
In other words shooting an f2 8 lens on a micro 4 3 camera is going to give you f 5 6 depth of field.
The name of the system stems from the size of the image sensor used in the cameras which is commonly referred to as a 4 3 type or 4 3 type sensor.