Smooth Trans Focus (STF) Mode - A test shot using Minolta Dynax 7 .

STF Mode test shot using Dynax 7 . by arnavkhorana

STF Mode test shot using Dynax 7 ., a photo by arnavkhorana on Flickr.

Minolta Dynax/Maxxum 7 's unique feature of Smooth trans focus (STF) effect certainly gives amazing bokeh and a "POP UP " effect . 7 shots at varying apertures are taken on single frame.. so tripod is must and object should be stationary . Use a tripod , keep the object stationary .. in case you are working with a model you might need to ensure that he/she does not even bat an eyelid. As the 7 shots can take considerable amount of time ( in a second or so ) humans may sway a little resulting in motion blur . This latency limits the use of this feature a little but having said that the effect is truly worth trying !!! and .. if the background is at certain distance .. the "3D or Pop up " effect is more profound .

I haven't used the Sony 135mm STF Lens , so cant compare the effect of dynax/maxxum 7 and the one produced by th specialized lens. Nevertheless the feature is very pleasing and can prevent a big hole in your pockets (read buying STF 135mm lens ) .

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