Sentence examples for appropriate focal length from inspiring English sources
At the top of Mr. Rettie's preshow checklist is choosing the right lens — or the appropriate focal length if the camera has a zoom lens.
The size of spot reflect by plane mirror can be easily controlled by changing different microlens arrays with appropriate focal length, which reduce the complexity of the system and makes it more flexible to produce the specific freeform sources compared to curving the mirrors used in previous work.
With an appropriate design, the focal length of the proposed device can be tuned from 7.3 μm to 15.2 μm.
The tiny focal length means that all iPhone pictures are ultra-wide angle.
The 50mm, at f1.2, is the fastest at that focal length that Canon make.
The tube's focal length is "piedi 3," the inscription said, three feet.
Fixed focal length lenses require more legwork but reward engagement.
(Focal length means how much you're zoomed in).
This formula provides a means for defining focal length and for measuring the focal length of an unknown lens.
