\u5c3c\u5eb7\u5ba3\u7a31\u6e1b\u9707\u7cfb\u7d71\u8b93\u651d\u5f71\u8005\u76f8\u7576\u65bc\u4f7f\u7528\u4e09\u7d1a\u4ee5\u4e0a\u7684\u5feb\u9580(\u516b\u500d\u7684\u5feb\u9580\u901f\u5ea6) \u6216\u662f\u8aaa\u8b93\u651d\u5f71\u8005\u76f8\u7576\u624b\u6301\u516b\u500d\u9577\u7684\u6642\u9593 \u4f46\u662f\u5be6\u969b\u61c9\u7528\u4e0a\u7d50\u679c\u5982\u4f55\u5462?Nikon claim that their VR system is capable of reducing camera shake to a level where it offers the equivalent of shooting with a shutter speed three stops (8x faster) faster – but what exactly does this mean in practice?
\u5c3c\u5eb7\u4e26\u4e0d\u662f\u5ba3\u7a31\u6e1b\u9707\u7cfb\u7d71\u53ef\u4ee5\u5b8c\u5168\u6d88\u9664\u76f8\u6a5f\u7684\u6296\u52d5 \u4ed6\u5011\u8aaa\u7684\u662f: \u5047\u8a2d\u57281\/125\u79d2\u5feb\u9580\u6642 \u5f71\u50cf\u670925%\u7684\u6a5f\u6703\u6703\u56e0\u9707\u52d5\u800c\u6a21\u7cca \u90a3\u9ebc\u958b\u52d5\u6e1b\u9707\u7cfb\u7d71\u5f8c \u5e73\u5747\u800c\u8a00 \u540c\u6a23\u7126\u8ddd\u93e1\u982d\u57281\/15\u79d2 \u9707\u52d5\u6a21\u7cca\u7684\u6a5f\u7387\u53ef\u4ee5\u7dad\u6301\u572825%
\u540c\u7406 \u4e00\u822c\u8aaa\u624b\u6301400mm\u7684\u93e1\u982d\u8981\u7528\u5feb\u65bc1\/400\u79d2\u624d\u80fd\u4fdd\u6301\u756b\u9762\u6e05\u695a \u4e26\u4e0d\u8868\u793a\u958b\u4e86\u6e1b\u9707\u7cfb\u7d71\u5c31\u53ef\u4ee5\u653e\u5fc3\u7684\u624b\u6301\u516b\u500d\u5feb\u9580\u52301\/50\u79d2! \u9020\u6210\u50cf\u6a5f\u6296\u52d5\u756b\u9762\u6a21\u7cca\u7684\u56e0\u7d20\u5f88\u591a \u751a\u81f3\u651d\u5f71\u8005\u7684\u547c\u5438\u5fc3\u8df3\u548c\u98a8\u901f\u90fd\u53ef\u80fd\u5f71\u97ff\u76f8\u6a5f\u5728\u5feb\u9580\u6253\u958b\u77ac\u9593\u7684\u7a69\u5b9a\u6027 \u6240\u4ee5\u6e1b\u9707\u7cfb\u7d71\u7684\u529f\u6548\u8981\u8996\u5be6\u969b\u72c0\u6cc1\u800c\u5b9a
VR\u93e1\u7cfb\u5fc5\u9808\u5728\u652f\u63f4VR\u7cfb\u7d71\u7684\u50cf\u6a5f\u4e0a\u624d\u80fd\u958b\u555f\u6e1b\u9707\u529f\u80fd \u5728\u5176\u4ed6\u6a5f\u8eab\u4e0a\u5c31\u6c92\u6709\u6e1b\u9707\u7684\u529f\u80fd (\u539f\u6587\u51fa\u7248\u6642Nikon F6, F5, F100, F80, F75, F65, D2-series, D1-series, D100, D70, and D50\u53ef\u652f\u63f4VR)
\u5ba2\u89c0\u8aaa\u4f86 \u5728\u53ea\u80fd\u624b\u6301\u76f8\u6a5f\u800c\u5feb\u9580\u901f\u5ea6\u504f\u9577\u7684\u72c0\u6cc1\u4e0b \u6e1b\u9707\u7cfb\u7d71\u662f\u500b\u5f88\u6709\u7528\u7684\u529f\u80fd \u4f46\u662f\u5b83\u7d55\u5c0d\u4e0d\u80fd\u53d6\u4ee3\u4e00\u500b\u7262\u56fa\u7684\u8173\u67b6\u52a0\u4e0a\u7d14\u719f\u7a69\u5065\u7684\u651d\u5f71\u6280\u8853
Well it is not the same as saying that VR eliminates all risk of camera shake or vibration from ruining a shot! What Nikon is saying is if there is a 25% risk of camera shake occurring at 1\/125 second with a particular focal length lens, then on average, with the VR activated the risk remains the same if that lens is used at 1\/15 second.
Nor does it mean if you apply the often-quoted rule of thumb that states the slowest shutter speed for any particular focal length for hand-held shooting should be its reciprocal that VR will be effective at a shutter speed three stops slower. For example, using a focal length of 400mm, the rule of thumb suggests a minimum shutter speed of 1\/400 second would be required to achieve a sharp image with a hand-held lens, but there is absolutely no guarantee that with VR active shooting at 1\/50 second (equivalent to three stops slower) will produce usable results.
Many factors affect the ability of photographers to hand hold a camera and achieve acceptably sharp images including their physiological condition (e.g. respiration rate due to their level of exertion), shooting conditions (e.g. atmospheric influences such as high winds) and the actual length of the exposure. Therefore, use of VR should be considered on a circumstance-by-circumstance basis.
If you want to use a VR lens it is imperative you consider the model of camera you will use as well, since only certain Nikon cameras support the VR system. Currently, the Nikon F6, F5, F100, F80, F75, F65, D2-series, D1-series, D100, D70, and D50 are the only Nikon camera models that are compatible with the VR feature; VR lenses can be used on other Nikon cameras but VR will not function.
To put Nikon’s VR system into perspective it is an extremely useful feature that helps to achieve sharp pictures in those situations when there is no alternative to shooting with a camera supported by hand but it is no substitute for a solid camera support such as a tripod, and a well-disciplined camera technique<\/p>\n","protected":false},"excerpt":{"rendered":"
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