Sentence examples for aperture stop-down from inspiring English sources

Check the aperture stop-down mechanism.

Likewise, if you need to check your aperture stop-down mechanism on a shutter-priority camera, you can do it by adjusting the shutter speed.

We'll detail this first because some old SLR cameras need their apertures stopped down in order to meter; this makes the viewfinder much darker, and makes it harder to see when you're in focus or not.

You can't risk taking a shot that is both out of focus and badly lit, so here are a few creative compromises (see diagrem, above): If the depth of field is too limited for your purpose you can: 1. Increase the focused depth by reducing the aperture, or "stopping down" (you'll need to flick on a few light switches, though).

You should be able to see the aperture blades stop down, and this should work instantly.

be able to see the aperture blades stop down, and this should work instantly.

What you're doing is bring shutter one stop up (halve the speed, i.e. double the exposure duration from one 400th to one 200th of a second) and the aperture one stop down (halve the area of the opening).

Modern cameras meter with the lens at its widest aperture, and only stop down the lens to its selected aperture at the moment of exposure.

So, take two photographs, one with a larger aperture, and then stop down and take one with a smaller aperture.

These will either have the same number of points as your lens has aperture blades (if you have an even number of them), or twice as many (if you have an odd number of aperture blades).[3] Stopping down to small apertures will give you these little sunstars.

The hole in the mount or diaphragm that limits the size of the aperture is called an aperture stop.