Tips for using a Tamron 90mm Macro

Started Apr 26, 2013 | Discussions thread
VirtualMirage
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Re: Tips for using a Tamron 90mm Macro
In reply to simonf7, Apr 26, 2013

When using a Macro lens as a macro and close to its 1:1 setting, you will need to stop down the lens quite a bit otherwise you will have an extremely shallow depth of field.  While some may desire this razor thin depth of field, others may want a lot of detail while shooting up close.

Of course, when stopping the lens down you will need a longer shutter speed.   This will require the subject to be very still as well as the camera.  Put the camera on a tripod or some kind of support since hand holding may not produce the best results.

Some people get around the two things mentioned above by stacking their photos to increase the depth of field while keeping the aperture close to wide open but slightly changing the focus with each shot taken.  This requires either special software or a photo editor that will allow you to work in layers.

While the Tamron looks nice wide open, it is at its sharpest corner to corner when stopped down around 1 stop +/- at F/4-F/4.5.  The nice thing about the lens is that it still looks great up to around F/8-F/11 (where the sharpness doesn't vary much from its peak) before it starts to soften up again.

The Tamron 90mm also makes for a nice portrait lens.

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Paul

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