stop down

stop down

To reduce the aperture of a camera lens. If your pictures are coming out too bright, be sure to stop down the lens. Stopping the lens down allows you to focus on a single point in the frame, rather than having every part of the picture in focus equally.
See also: down, stop
Farlex Dictionary of Idioms.

stop down

v.
To reduce the aperture of some lens: The photographer stopped the lens down in order to increase the picture's depth of field. If your photograph is too bright, you should stop down the aperture.
See also: down, stop
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • come a gutser
  • be down to (one)
  • be down to somebody/something
  • come down in buckets
  • be down to something
  • be down to (do something)
  • bounce up and down
  • close down
  • close down and shut down
  • blaze down
References in periodicals archive
When observing objects at lower magnifications (and hence using eyepieces that create larger exit pupils), you may want to stop down the exit pupil by putting an appropriately sized hole in a spare eyepiece cap and putting the cap on the eyepiece.
The sky within your eyes: eye aberrations can have a big effect on visual observing. Here are some tips for seeing the universe more clearly by working with your eyes' imperfections
She had to stop down the road because she burst into tears.
New theory on attempted 'carjacking' ORDEAL: Drunks may have been after a lift
Van Persie's shot on the turn brought a good stop down to his right from Ivan Turina.
Fabregas at the double to fire Gunners home
Finally it was stolen and smashed into a bus stop down the road.
`OUR LIFE IS HELL'
Arriva Trains Wales is moving one stop down the line to a new corporate headquarters.
Arriva is soon to departa
Sub Noble then forced Chapman into a good stop down low as the home side began to press.
A massive step in bid to survive; Burr's boys turn up heat
The search doesn't stop down south and Levein is hoping to find some joy in America.
Here's looking at you, kids; LEVEIN EYES UP CAP HOPEFULS AS TRAWL PULLS IN 18 HIDDEN GEMS
"They've been hanging out non stop down in the Cotswolds at Kate's house," says my spy in the country.
Moss-tility ends at last; Ali feud is over.. will Kate wed?
If you have got a bus stop down the road, it is going to be easy to come into town, but if you live quite a distance away, it is easier to use a car.
Safety is big bus concern
It would be much easier for me to use the Whitchurch post office, crossing Manor Way, walking down St Margaret's Road, then catch a bus from the library stop down to Whitchurch post office.
Disaster if post office shuts down
'When the train arrived at its next stop down the line -Cradley Heath -a young woman pushed her way through the standing passengers already on the train.
BEST SEAT ON THE TRAIN; And free paper too
Sorensen's spot-kick save helped the Wearsiders to a 2-1 derby win in 2000 and Gordon said: "There is a big picture of that penalty stop down in the kit room.
Craig vows to copy Cats hero Sorensen; NEWCASTLE v SUNDERLAND