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WhiBal G7 Certified Neutral White Balance Pocket Card - Reference Gray Card (2.1" x 3.35")

When HN users recommended it

1 HN user recommended this in 2021, in one comment.

20072026

Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.

What HN users said

hatsunearu linked amazon.com View on HN
in Photographic Reference Scale (2019), a direct reply to the story

Printing middle grey with an uncalibrated printer is uh... kinda meaningless.

https://smile.amazon.com/WhiBal-White-Balance-Pocket-Card/dp...

I've been using this for my photo adventures; I try to keep it in my wallet at all times (I worry about it getting discolored by rubbing against other cards though) and whenever I notice that the white balance is gonna get fucky (esp when there are multiple light sources) I whip that out and take a picture of it in the same scene.

edit: Also people love to use grey cards for getting exposure right but it's complete bunk science; if you're using the raw workflow (if you're fine tuning white balance you almost definitely are) you should shoot as bright as practically possible and not too bright to prevent clipping and adjust exposure as you see fit in editing.

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