Is SLT dead or alive ?

Started Jan 17, 2014 | Discussions thread
kartikjayaraman Contributing Member • Posts: 563
Re: Is SLT dead or alive ?

kartikjayaraman wrote:

K E Hoffman wrote:

Mirrorless is about image quality over P&S and Phones not over DSLR/SLT class cameras.. in that case it is about size..

I don't agree with that statement. The A7/A7r deliver image quality that equals or betters the A99. And the A99 is the flagship SLT. And all are the same size sensors.

K E Hoffman wrote:

.. but optical IBIS is not coming to e-mount. (may come up with an electronic version) However... even the size has value.. to many shooters.. like shooting large lenses etc.

From all that I have read about IS...I think IS only matters if your shutter speed is slower than the inverse of the focal length you are shooting. So lets see the scenarios:

- If you are shooting indoors lets say at 35mm, you will need to use a shutter speed of 1/50 or above to be in the safe zone where IBIS does not come into play. In any case people who shoot such low shutter speeds should use a tripod.

- If you are shooting telephoto, you will mostly be freezing action like sports or birds. In this case, lets say you use a 300mm lens, you will be shooting at least 1/400 or better any ways. Anything lower, you will risk introducing blur whether or not you use IS.

There are telephoto options coming up for Sony mirror less cameras just in case people want to use OSS lenses anyways. People have been shooting cameras without IS for years. The IS only matters to a short segment of the population who choose to shoot at shutter speeds not fast enough for the focal length being shot.

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I would like to clarify that the IS part I explained is for stills only and excludes video shooting. For any kind of video shooting, having IS or IS lenses is useful, although post processing and adding stabilization with a plugin like ProDad Mercalli does help.

Here are a couple of videos explaining IS and why it should be turned off especially with fast lenses:

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