Maximum Aperture

Some articles on aperture, maximum apertures, maximum aperture, maximum:

Minolta SR Mount
1961 feature a slightly different aperture leverage, and thus the automatic diaphragm may not work correctly on post-1961 cameras, and later MC/MD tabs may hit a screw of the front cover on earlier. 1966-1977 Meter coupling added (often called MC mount) allowing full-aperture TTL measurement ... added, which allows the reading of the smallest available aperture, often referred to as MD mount ...
Carl Zeiss AG - Innovations
... This lens was made in three series Series III, IV and V, with maximum apertures of f/7.2, f/12.5, and f/18 respectively ... In 1891, Series I, II and IIIa appeared with respective maximum apertures of f/4.5, f/6.3, and f/9 and in 1893 came Series IIa of f/8 maximum aperture ... was called the Protarlinse Series VII, the most highly corrected single combination lens with maximum apertures between f/11 and f/12.5, depending on its ...
Lenses For SLR And DSLR Cameras - Types of Lenses - Zoom Lenses
... it can be varied between a specified minimum and maximum value ... However, zoom lenses still typically have a lower maximum aperture than fixed-focal ("prime") lenses for the same weight and cost, especially for shorter focal lengths ... The maximum aperture for a zoom lens may be the same (constant) for all focal lengths, but it is more common that the maximum aperture is greater at ...
Canon EF-S 17–55mm Lens - Similar Lenses
... L series and the 17–55 not being so designated), though the 17-55's faster aperture and IS make it more suited (by one stop) for hand-holding and available light photography ... Two of the 24–70 lenses have the same f/2.8 maximum aperture as the 17–55, but no image stabilization the newest 24–70 has a maximum f/4 aperture but adds ... inexpensive kit lens and is not comparable to the 17-55mm, having slower aperture, a variable maximum aperture, lower image quality, and no image stabilization ...
Lens Speed
... Lens speed refers to the maximum aperture diameter, or minimum f-number, of a photographic lens ... A lens with a larger maximum aperture (that is, a smaller minimum f-number) is a fast lens because it delivers more light intensity (illuminance) to the ... A smaller maximum aperture (larger minimum f-number) is "slow" because it delivers less light intensity and requires a slower shutter speed ...

Famous quotes containing the words aperture and/or maximum:

    Animals used to provide a lowlife way to kill and get away with it, as they do still, but, more intriguingly, for some people they are an aperture through which wounds drain. The scapegoat of olden times, driven off for the bystanders’ sins, has become a tender thing, a running injury. There, running away ... is me: hurt it and you are hurting me.
    Edward Hoagland (b. 1932)

    Only at his maximum does an individual surpass all his derivative elements, and become purely himself. And most people never get there. In his own pure individuality a man surpasses his father and mother, and is utterly unknown to them.
    —D.H. (David Herbert)