“Full Frame Equivalence” and Why It Doesn’t Matter

Started Feb 4, 2013 | Discussions thread
Chez Wimpy
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Re: “Full Frame Equivalence” and Why It Doesn’t Matter
In reply to sean000, Feb 5, 2013

sean000 wrote:

Chez Wimpy wrote:

sean000 wrote:

Actually I don't mind comparing formats since I shoot two formats, but the thing that chaps my hide is when someone says, "That 45mm f/1.8 is really a 45mm f/3.5." No, it isn't. It's a 45mm f/1.8.

But isn't this a strawman? Where did you see this statement? The "chaps my hide" for most is the "The 45/1.8 is equivalent to 90/1.8 on FF" which is most definitely purported... and leads to The Troubles.

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-CW

I've seen it stated both ways numerous times.

Then please post a link.  There is a flippant willingness to double focal length and leave apertures untouched, but I have never seen "45/1.8 is really a 45/3.5"

Unless of course, you meant "45/1.8 on m43 is the same as 90/3.5 on FF"...

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-CW

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