stop down


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stop down

[′stäp′dau̇n]
(optics)
To reduce the size of a lens aperture.
References in periodicals archive ?
The tradeoff here is you'll need to take longer exposures to acquire the same signal-to-noise ratio, but if you have to stop down your lens to reduce edge aberrations, you're already making this compromise anyway.
(It was, after all, at one such quaint stop Down Under that I had found a mug for my friend of nearly half-a-century that seemed to say it all for our now-forgetful minds: "We'll be best friends until we're old and senile ...
ABERDEEN Joe Lewis 7 Produced one crucial stop down at left post to deny Vrsic in second half but no chance with Maribor goal.
Stop down to Prohibition and offer your sincerest thanks to all who serve by sending them a cigar or two.
However, if handholding the camera, image blur is still a risk as each stop down in aperture results in a slower shutter speed.
Ruben Loftus-Cheek and Cesc Fabregas were central to much of the home side's good work as they matched City for much of the first half and, when Loftus-Cheek turned Otamendi inside out, Joe Hart was forced to make a decent stop down to his left.
"If we're able to, we'll stop down to support you," he wrote.