Archived posting to the Leica Users Group, 2004/10/05
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Interesting - so then why does my middling P&S digital make a shutter click noise when I take a picture? Just to cut those off in mid-semi flame, the audio mode is OFF (I hate simulated camera noise on P&S cameras - how ridiculously cheesy. Can you imagine if hybrid cars equipped with fake 'vroom vroom' engine sounds!) Eric >From: JCB <jcb@visualimpressions.com> >Reply-To: Leica Users Group <lug@leica-users.org> >To: <lug@leica-users.org> >Subject: [Leica] Re: Photokina _ The lens on Tom's RD1 >Date: Tue, 05 Oct 2004 10:17:08 -0700 > >At 03:07 AM 10/5/2004, eric wrote: > > >>Why do digital cameras need a shutter at all? >> >>Eric > > >They don't. P&S (non-removable lenses) cameras don't. The shutter on >removable lens digital cameras basically keep the sensor clean during a >lens change. Sensors, being run by high speed electrical signals, builds-up >static and is a HUGE dust magnet. > >The shutters in digital SLR's basically get out of the way quickly so that >the sensor substrate pulse can actually take the picture. > >Actually, there have been all kinds of shutter hybrid arrangements with >interactions between the camera shutter and the electronic substrate >shutter. The bottom line is that the electrons are captured by the >substrate pulse. > >JB > >_______________________________________________ >Leica Users Group. >See http://leica-users.org/mailman/listinfo/lug for more information _________________________________________________________________ Check out Election 2004 for up-to-date election news, plus voter tools and more! http://special.msn.com/msn/election2004.armx