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Watkins Bee Exposure meter 1900's Vintage - Rare
wonderful and a must for hobby/ vintage photographers, this is a great accessory, one of the classic industry desired, functions and capabilities
for your vintage photo exposure needs.
Used and in vintage condition.
The actinometer used printing-out-paper (called pop), which turns dark on exposure to light without needing chemicals, enjoyed a heyday around the 20th century. A typical actinometer looked like a pocket watch and it had a pie-shaped sliver cut in the face. Discs of pop were placed inside the case. To take a reading, the user would rotate the pop to uncover an unexposed wedge, then time how long it took the wedge to darken to the point where it matched a reference shade of grey. The photographer then looked up the time on a chart and that gave him time-aperture combinations. Not a bad system, but pop didn't always react to light the way film did, they had to be loaded in the dark, and comparing shades of gray requires a lot of subjective judgement.

Please view photos and ask questions if any by sending me a convo. Thank you!

Have a Blessed day!


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Watkins Bee Exposure meter, F Dial 1900s Vintage, England, Burke and James, actinometer


  • Vintage item from 1900 - 1909
  • Materials: metal, bee exposure meter
  • Ships worldwide from United States
  • Feedback: 170 reviews
  • Favorited by: 21 people