Some of my camera’s horizontal angle is over 130 degrees.
Such as Natasha 69, 612, 618(617) and Natasha 45 with focus length lower than 35 millimeters.
You would find it has dark corners on the photos like these photos.
That is not what you want it happened, isn’t it?
Let me show you how to get average exposure by using Natasha pinhole camera.
I use a black card to get average exposure,
it is a round black plastic taped on a black stick.
Assume we got 12EV from light meter, by following the exposure timetable.
We need to exposure for 2 seconds, but also 4 seconds for the black card.
So, I will open the shutter for 2 seconds and then put the black card in front of
the pinhole for 4 seconds. Remember to move the black card like this video.
If you can not watch this video on this page, please click this link
https://www.youtube.com/watch?v=TGC6lRc-85I
The distance from pinhole to the black card is about 2cm.
And then I will use the black card to cover the pinhole to stop the exposure
and close the shutter.
These are the photos that I used black card,
you can find the corners are not that dark as usual, more detail can be showed on the photo.
Hope you have fun with Natasha pinhole camera. Thank you!
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