From: Berlin, Germany, Europe, Earth, Solar System
Registered: Apr 2006
posted March 21, 2012 07:36 AM
a) When the camera has already automatically removed the filter, the switch gets ignored. So it doesn't do any harm to move the switch to "bulb"/"indoor". b) The filter drastically reduces the amount of light that reaches the film. So without cart the camera's lightmeter will produce obvious difference with filter en- and disabled. You can do the same test with an E100D - if the camera's lightmeter still reacts to the switch's position, you'll have set that switch to "bulb"/"indoor" otherwise its position is irrelevant...