Not A Fan of Viewfinders. Am I crazy?

Started Jan 26, 2013 | Discussions thread
Barrie Davis
Barrie Davis Forum Pro • Posts: 21,460
Re: UPDATE: 200mm lens on full frame.

ljfinger wrote:

Barrie Davis wrote:

UPDATE: It happens that I have a prime lens of 200m in the house at this time. (It is on loan to my son in case he wants to buy it.)

I have tried it out with my wife as model, framed as your shot below. I could NOT frame as loose as your shot below from a distance of 3 metres, but had to move back to to nearly four.

This supports my contention that your "200mm" is much shorter than nominal when focused close.

I don't know how that accords with your maths, but mine was a practical test.

I didn't say that the shot I posted was from any particular distance. I was on the order of 10 feet away, but I could have been 6 or 8 or 12 or 15 feet. I didn't measure it. I just did the math for a tight head shot: 25cm/36mm * 200mm = 1.39m.

On the order of 10 feet (3 metres) away, AND not getting an actual 200mm... [??]

I don't know about you, but I always got inconveniently tight headshots with a 135 on full frame, which is why a real 200mm would be out of the question.

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Regards,
Baz
"Ahh... But the thing is, these guys were no ORDINARY time travellers!"

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