working aperture造句

例句与造句

1. Optimum working apertures are 2 stops below maximum aperture.
2. Metering was done at working aperture, instead of wide-open, as on other F3 bodies.
3. Recent advances in miniaturized electronic driver circuitry have reduced the size requirement of LCTF enclosures without sacrificing large working aperture sizes.
4. The Nikon PC Micro-Nikkor 85 mm 2.8D lens incorporates a mechanical pushbutton that sets working aperture when pressed and restores full aperture when pressed a second time.
5. It must be observed, however, that in order to find the real " intensity ratio ", the diameter of the actual working aperture must be ascertained.
6. It's difficult to find working aperture in a sentence. 用working aperture造句挺难的
7. The problem is reported as having been fixed in cameras post-2009, providing two working aperture settings of and, and earlier cameras are modifiable to provide two usable settings.
8. Nevertheless, the earliest lenses did not have " adjustable " stops : their small working apertures and the lack of sensitivity of the daguerreotype process meant that exposure times were measured in many minutes.
9. Preset aperture controls have taken several forms; the most common has been the use of essentially two lens aperture rings, with one ring setting the aperture and the other serving as a limit stop when switching to working aperture.
10. Many PC and TS lenses incorporated a feature known as a  preset aperture, which lets the photographer set the lens to working aperture, and then quickly switch between working aperture and full aperture without looking at the aperture control.
11. Many PC and TS lenses incorporated a feature known as a  preset aperture, which lets the photographer set the lens to working aperture, and then quickly switch between working aperture and full aperture without looking at the aperture control.
12. A typical operation might be to establish rough composition, set the working aperture for metering, return to full aperture for a final check of focus and composition, and focusing, and finally, return to working aperture just before exposure.
13. A typical operation might be to establish rough composition, set the working aperture for metering, return to full aperture for a final check of focus and composition, and focusing, and finally, return to working aperture just before exposure.
14. The first SLR cameras with internal (  through-the-lens or  TTL ) meters ( e . g ., the Pentax Spotmatic ) required that the lens is stopped down to the working aperture when taking a meter reading.
15. Most SLR cameras provide " automatic aperture control ", which allows viewing and metering at the lens s maximum aperture, stops the lens down to the working aperture during exposure, and returns the lens to maximum aperture after exposure.
16. Most SLR cameras provide " automatic aperture control ", which allows viewing and metering at the lens's maximum aperture, but stops the lens down to the working aperture during exposure, and returns the lens to maximum aperture afterward.
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