WHY would you purchase a FULL FRAME Pentax? (In point format)

Started Sep 12, 2012 | Discussions thread
LightRoom
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Re: WHY would you purchase a FULL FRAME Pentax? (In point format)
In reply to James O'Neill, Sep 12, 2012

James O'Neill wrote:

LightRoom wrote:

At an aperture of 1.8,, I very much doubt diffraction will play any part. Maybe I miss-interpreted what greg57 was trying to say, but then why point out it's a 1.8 lens?

Diffraction and DoF are different things.

Where do I say it's the same thing?

We typically write lenses as focal length and apperture combinations (e.g. 50mm f/1.4) that's not to put any special emphasis on the fact the FA31 limitted is an f/1.8.

Strangely enough we do over here as well.

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