110 film is to 35MM as M43rd is to FF?

Started Apr 12, 2013 | Discussions thread
Morris Sullivan Veteran Member • Posts: 9,643
Re: 110 film is to 35MM as M43rd is to FF?

FractalFlame wrote:

35mm was 24 × 36 mm.

110 was 13 × 17 mm

That is NOT "exactly 1/2 the size" - it's about a quarter!

Half of each dimension = 1/4, not 1/2 over all.. it's a common misconception.

Technically true, but a bit pedantic. For example, if you type in a percentage on a photocopier it works in linear dimensions. I think if you asked the average person for a print half the size of an 8x10 you'd likely get a 4x5.

The image area factor is typically mentioned in discussions of light gathering ability, because if you are discussing linear resolution then 110 would be about half the size of 135.

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