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An Unfair Comparison in Coin Photography: iPhone vs DSLR
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<p>[QUOTE="desertgem, post: 4193311, member: 15199"]The resolution of the canon is twice that of the iphone, but close enough for comparable subjects such as shown. If it was to isolate a specific mark on a coin, there might be differences due to software action on the magnification.</p><p> You indicated the camera was not in the grip of a very secure tripod or specialized device for close ups, and your indication of using 13mm "cheap" extension tubes leads me to ask if they are electronically capable tubes, ( they have the electrical contacts for camera communication)? Since both devices have Image stabilization, the iphone can correct for minor vibrations as both are in one device, but when you extend the lens and it doesn't have connections, the Canon camera can not ( as I understand it) adjust the lens for stabilization ( at least my old canon couldn't. Jim[/QUOTE]</p><p><br /></p>
[QUOTE="desertgem, post: 4193311, member: 15199"]The resolution of the canon is twice that of the iphone, but close enough for comparable subjects such as shown. If it was to isolate a specific mark on a coin, there might be differences due to software action on the magnification. You indicated the camera was not in the grip of a very secure tripod or specialized device for close ups, and your indication of using 13mm "cheap" extension tubes leads me to ask if they are electronically capable tubes, ( they have the electrical contacts for camera communication)? Since both devices have Image stabilization, the iphone can correct for minor vibrations as both are in one device, but when you extend the lens and it doesn't have connections, the Canon camera can not ( as I understand it) adjust the lens for stabilization ( at least my old canon couldn't. Jim[/QUOTE]
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