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Fuji 23 1.4 WR as ‘35-50mm’ zoom

Started 4 weeks ago | Discussions thread
GMacF Contributing Member • Posts: 999
Re: Fuji 23 1.4 WR as ‘35-50mm’ zoom
4

Zinch wrote:

emirco wrote:

Let me google it for you

That answer is wrong. As said before, cropping IS the same as using another focal length when you consider perspective (it affects other things I listed: resolution, DoF, DR and noise to signal ratio)

Yes quite right. As Jeff pointed out on my initial reply, perspective does NOT change when just cropping. I admit my wording was off when what I meant was perspective changes when framing (and re-framing) at different focal lengths.

I DID do some testing so hopefully this clears things up:

Below is a shot taken @23mm with the 1.4 digital teleconverter on (so approx 35mm equiv):

and one taken at 35mm:

To further demonstrate below are two shots, one taken @16mm (with 2x crop) and one taken @35mm - both images have same perspective but different DOF, noise etc:

Conversely, the point I was making initially (and what others I believe are making) is the change in perspective when re-framing a shot. Below is a shot taken @23mm then re-taken @35mm but reframed so the subject (lens hood) is approx the same size:

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