Viewfinder D40/D50 Surprise

Started Jan 14, 2007 | Discussions thread
gmosc Veteran Member • Posts: 5,950
Re: Viewfinder D40/D50 Surprise

Brad,

The VF brightrness issue you talk about has to do with the fact that aperture can be closed on the lens when there is no power. That naturally gives less light and makes the VF darker. Some people notice that in a store when there wasn't a charged battery in the camera.

When you look through a modern SLR the apertere is as open as it can go. Even though you've set F22 the aperture is still as open as possible until the split second after you press the shutter. In that split second the aperture closes to f22 (for example) then the shutter opens and closes, then the aperture returns to the most open aperture possible with that lens.

Since you, Brad have a D70, too, you can try to use the button to preview the DOF to see the darkening effect. If you have any aperture less than the biggest hole, then you will notice a darker viewfinder. That is the same effect people have noticed in stores with D70, D50 (and maybe D40) without a battery in it.

Sorry for more than one paragraph (for anyone with a 15 second attention span.)

Guy Moscoso

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