For some uses with long exposures, or shutter is unnecessary; removing a lens cap to expose the film is sufficient.
32.
For instance, lens caps that cover sensitive instruments during launch must be jettisoned once the satellite has settled into an orbit.
33.
Nobody ever got rich accusing Stanford University football coach Bill Walsh of being unable to hear a lens cap hit the snow.
34.
One back-yard observer noted, " The only mistake you can make is to not take the lens cap off the telescope ."
35.
The way he pulled this technique off was by removing the lens cap of his camera to create a make believe photograph.
36.
There are a lot of 52 mm front lens caps, but are rear caps more specialised for a particular type of lens?
37.
The interactive element was achieved by switching a lens cap between two synchronised projectors, each with a different cut of the film.
38.
Engineers familiar with the probe have identified the moving " disk " as actually being the two lens caps ejected from the lander.
39.
Unless noted otherwise, all of these are 4-megapixel cameras with 3X optical zoom, a proprietary rechargeable battery and a built-in, self-closing lens cap.
40.
Venera 14, however, ended up measuring the compressibility of the lens cap, which landed right where the probe was to measure the soil.
