Some Flowers and Second Article on Exposure (Two Photographs)
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These are some random flower shots I took with my macro lens testing the metering on my camera.
Cameras read reflected light from the scene you are shooting. In the days of manual only cameras, you had a handheld exposure meter that could measure reflected and incident lighting. Incident lighting is taken from the subject’s point of view and measures the light hitting the subject. Reflected light captures all light coming at the lens, not just the subject. Clearly, incident lighting is more exact for the subject and reflected lighting more realistic for the entire scene. That is why DSLRs have spot, centre-weighted and a whole frame exposure mode.These modes enable us to narrow the area being measured. Secondly, modern DSLRs do not have the capability of capturing as wide a range of light as say print film had, but that is improving with every new model. Just as higher ISOs are increasingly noise free. When you take in the variables of ISO, aperture and shutter speed and you take into account the limitations of the camera you can see why exposure can be tricky.