| Tape the foil over the hole in the bottom of the canister, so the pinhole is centered. |
| The device also incorporates a pinhole camera which records the cardholder inputting his or her personal identification number. |
| In a confocal microscope, light passes through a pinhole to eliminate photons from outside the image plane. |
| My pinhole films have the roughness, the crudity of early photographs and films. |
| He gave a number of arguments to support this claim, the most persuasive being the camera obscura, or pinhole camera. |
| Optically, pinhole images, because they are created by diffraction, are a recording of diffracted light. |
