Still learning the 'Sunny 16 Rule' here, with a set of close-up images from the garden shot on the 10MP CCD Nikon D80 mounted with a manual focus Tamron SP 90mm 1:2.5 Adaptall-2 Macro. The 10MP CCD Nikon D80 does not have the 'Non-CPU Lens Data' menu item or enter information about non-CPU lenses, and the aperture-indexing finger for full-aperture metering with older 'AI' lenses.
When mounted with old-school legacy lenses, the D80 can only be used in fully manual mode, which makes for an interesting challenge and a learning path.
The whole idea here is not to let an excellent vintage enthusiast-grade digital SLR camera, such as the Nikon D80, go to waste by wanting it to be mounted with only CPU AF lenses or letting the cult classic Tamron SP 90mm 1:2.5 Adaptall-2 Macro be mounted only on auto-exposure cameras. Kit the two together, learn to set the exposure manually, and you will enjoy photography more than you expected.
The 'Sunny 16 Rule', which says that 'On a sunny day set aperture to f/16 and shutter speed to the [reciprocal of the] ISO film speed [or ISO setting] for a subject in direct sunlight,' is an easy way to set your camera’s exposure if you are shooting fully manual or with a fully manual camera. These images were exposed at 1/200 second, ISO 200, with the lens aperture opening set to between f2.5 and f5.6.
Start with the basic setting of the ISO speed to 100, the lens aperture opening to f/16, and the shutter speed to 1/100 or the nearest available on the camera. When ISO (ASA) 200 film is used, set the aperture at f/16 and the shutter speed to 1/200 or 1/250 second.
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