DoF and Converters

Suomi

Suomi

Reet Nice Feller
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Mark
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Had a go with with a 300mm F4 Nikon and a teleconverter (x2). Had not thought about DoF when I started shooting. Soon found out that when photographing small birds I was only gettng a DoF of about 1/2".

Would like to move to full frame sometime but wondering what will happen as with the D300 I get a 1.5x from the sensor size. If you are using a teleconverter of a full frame do you get a small or larger DoF?
 
With a x2 TC, your 300/4 actually becomes a 600/8. The camera should report this, but may not depending on the TC.

If you fill the frame the same each time, you will get more DoF on the crop camera vs FF - about 1.2 stops more. The calc is f/number x crop factor.
 
Thank Richard and Foggy (a fan of Carl's by any chance?), some food for thougth there. Looks like for birds and small mamamals I would be better off sticking with the present camera.
 
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