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When photographing objects, it's sometimes helpful to
place a ruler along side them to indicate size. This can
give an indicator but a more informative comparison can
be made by the proximity of a human hand. This is the
principle of the idea of The Calibrated Hand.
For convenience, The Calibrated
Hand comes flattened
out like a glove, but is quickly inflated to fully 3
dimensional form via a small cylinder of compressed air;
connecting hose and release valve. Once inflated, the
hand reveals itself as having inches and centimeters
inscribed along the side of the forefinger, and the edge
of the palm. The thumb also extends to form an exact
right angle against the main body of the hand.
With The Calibrated Hand in place, size comparison
photographs become much more relatable, plus there is
the added verifiable accuracy of the calibrations for
forensic consideration etc.
[link]
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So if you inflate it a bit more, it's not so calibrated. This
could be handy when you're trying to deceive someone
regarding the size of some object. |
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Puffing-up produces parallax problems. Propose planar presentation, producing perfect photo-calibration. |
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No because the gradations would change their size when your hand grows and shrinks. |
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//Wouldn't it just be easier to tattoo the
appropriate measurement onto your own hand?//
No.Both hands are required to operate a camera.
and in many cases you need to be more than an
arm’s length away from the subject matter. |
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//No.Both hands are required to operate a camera//
Rubbish. While it's not always easy, I manage with one
(Nikon D5500, in case you're wondering...). Although I
do use a mono- or tri-pod a lot. |
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He didn't lose it, it's just busy doing other things... it takes a
bit of effort to keep the third leg of a tripod from going limp,
you know. |
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[RayfordSteele]; nice euphemism, but I have Erbs Palsy in my left
arm. Not enough dexterity or strength to help with a camera. |
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Regardless of camera operating abilities, central to
this idea is the provision of an accepted physical
object of recognisable scale for the purposes of
making size comparison photographs. This requires
stepping back from the photographic scene, so
including your own hand is seldom going to be a
viable option. Meanwhile, being able to operate a
complex camera with one hand is an admirable
achievement. |
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There is also the problem of scale. A calibrated human hand is just fine for photographing a teapot or an astrolabe, but it not very useful if you are trying to photograph a mosquito or a suspension bridge. Proposed is a set of appropriate scale appendages, from insect legs, mouse paws, elephant feet and kraken tentacles which can be used in a variety of common situations. |
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I was going to post the Calibrated Ear I made as an
illustrated example... |
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[a1]; not offended in the slightest. It was a birth accident. You're the
Google-master; you can probably find better info on it faster than I
can. |
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Do you use a right-handed keyboard layout, or is it not that
bad? |
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I just use a normal qwerty (mostly one-handed; almost-
but-not-quite "blind"). I didn't learn about "one handed
Dvorak" keyboards until maybe 10 years ago, but I
haven't bothered trying to fnd one. |
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//When photographing objects, it's sometimes helpful to place a ruler along side them to indicate size// Hmm. In the Interwebs, where we all live now since the Covids, I believe the commonly accepted unit of relative size is the 'banana'. |
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Bananascale of course offends my scientific sensibilities, given the variation in size of bananas from the same bunch. However, my artistic philosophical self relishes the joy of confusion caused by 'Just how small(big) IS that banana?' juxtapositions. |
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Therefore, I will award a cautious bun, pending copyright allowance for [a1]'s hand tattoo (The Calibrated BananaHand™), which provides accurate measurement when the skin of the hand is at the same turgidity as it was when the tattoo was installed, but also allows for random inaccuracies introduced by water retention from the nachos and dehydration from the tequila. |
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