Articles for July 2016

Why an f-stop?

It’s all the astronomers’ fault

fstopOur photographic consultant is reminded how complicated things are for beginners, no matter how straightforward it all seems to the professionals.

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Applied numerology

Why astronomers are natural translators

thermoOur astronomer offers an apology and an explanation.

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A star by moonlight

How can the Moon affect a star?

miraAs things go in the universe, the Moon is a small thing, insignificant compared to a distant star.  Yet our astronomer found that it can have a definite influence on measures of the latter.

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How big is a picture?

Returning to the Brownie format

b620The photographs that came out of this Kodak Brownie camera from the 1930s may be the best size ever found.

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