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What aspect ratios do Pentax users like?

Started Oct 5, 2020 | Discussions thread
Stephenhampshire
Stephenhampshire Contributing Member • Posts: 962
Re: 7x5

MrB1 wrote:

MightyMike wrote:

GossCTP wrote:

MightyMike wrote:

Mark Ransom wrote:

The 5x7 aspect ratio of 1.4 is very similar to the ISO A size aspect ratio of 1.414. A very practical choice. Unfortunate that no cameras do it natively.

display ratios really have nothing in common with the stop ratios we use for ISO, aperture and shutter speed... So I'm basically saying the connection is completely irrelevant.

Unless I've missed something, he was saying the 7x5 was the same dimensions as A paper (e.g. A4).

No you didn't miss something... I did... my bad... I thought he was talking about the square root of 2

I made the point about 5:7 (1:1.4) being close to the aspect ratio of the A series papers in a previous post above.

And yes, the A series does use the square root of 2, its aspect ratio being 1:1.414, as Mark has written here.

Philip

I often print 7" x 5" greetings cards, also have photos in the in-house mag of my local Heritage Railway, which is A4 size, so 7x5 suits me. I can crop to that by eye pretty much now!

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