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General Photography
Macro
1:1 at f/36 Versus 1:2 at F/8 Cropped
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<blockquote data-quote="Woodyg3" data-source="post: 424585" data-attributes="member: 24569"><p>J-see, in your first two shots it's very clear that your 1:1 f/32 shot has better depth of field than your cropped shot at f/8. </p><p></p><p>While it is true that the depth of field of a f/32 shot is the same as an f/8 shot at double the distance, this is the depth of field as viewed at full frame size. You have to remember that you must crop the f/8 shot to one quarter of it's original size to get the objects in the shot to be the same size. This greatly decreases the depth of field as viewed by the human eye. Taken to a further extreme, an f/2 shot at four times the distance also has the same depth of field as teh original f/32 shot in a full frame shot. If cropped to 1/16th of it's original size, the f/2 shot would have extremely shallow depth of field, no where near the f/32 shot from a quarter of the distance.</p></blockquote><p></p>
[QUOTE="Woodyg3, post: 424585, member: 24569"] J-see, in your first two shots it's very clear that your 1:1 f/32 shot has better depth of field than your cropped shot at f/8. While it is true that the depth of field of a f/32 shot is the same as an f/8 shot at double the distance, this is the depth of field as viewed at full frame size. You have to remember that you must crop the f/8 shot to one quarter of it's original size to get the objects in the shot to be the same size. This greatly decreases the depth of field as viewed by the human eye. Taken to a further extreme, an f/2 shot at four times the distance also has the same depth of field as teh original f/32 shot in a full frame shot. If cropped to 1/16th of it's original size, the f/2 shot would have extremely shallow depth of field, no where near the f/32 shot from a quarter of the distance. [/QUOTE]
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General Photography
Macro
1:1 at f/36 Versus 1:2 at F/8 Cropped
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