Cant understand minimum focusing distance.

Started 1 month ago | Discussions thread
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Davidk11 New Member • Posts: 4
Cant understand minimum focusing distance.


when i shoot at 18MM and 200MM from the same distance, i can focus on the subject.
but when i get closer to the subject at 18MM and trying to focus, i cant.

and when i shoot at 200MM from the same distance, i get an much better shllow depth of field. why?
can i get shllower depth of field at 18MM like in 200MM?

( Tamron 18-200mm F/3.5-6.3 Di II VC )
Minimum Object Distance - 0.49 – 0.77m [18mm: 0.5m / 35mm: 0.77m / 180mm: 0.49m / 200mm: 0.5m]

can some one explein for a noob?

Shot at 18MM, camera close to the subject

Shot at 200MM, got further with the camera

Shot at 18MM, same distance as the 200MM above.

The main quastion, why can i focus when i zoom in?.. and got more shallower depth of field..

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