For your second try using your pinhole camera, you will need to use the “Calculated F-Stop” column in the chart below. Take that number that we have calculated and type it into the “Pinhole Camera’s F-Stop” field on the Mr. Pinhole website (click here). The website will give you a chart of exposure times. When you go to photograph, take your DSLR with you, and a printout of the chart you got from Mr. Pinhole. (Or use your cellphone and get the chart when you are out shooting.)
- Set up your DSLR to take approximately the same photograph that you are trying to take for your pinhole camera. (smae framing, angle, lighting, etc.)
- Set your DSLR to an aperture of f/8 and the ISO to 100.
- Then figure out the shutter speed that you would need to make a correct exposure for the picture you are planning to take with the aperture set to f/8.
- Also – take a picture with your DSLR so we can refer back to it if we need to figure anything else out.
- Go to the chart and find that exposure time under the aperture you are using and then follow the chart over to the right to your f/stop number to find your correct exposure.
- Expose your film with your pinhole camera using the exposure time that the chart tells you to.