Archived posting to the Leica Users Group, 2009/02/05
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Bob, the circle of confusion of the lens doesn't change nor does the area to be covered - either 24x36 film or whatever is the smaller area of the sensor. Upon what then, does 'it depend(s)'? ----- Original Message ----- From: "Bob W" <leica@web-options.com> To: "'Leica Users Group'" <lug@leica-users.org> Sent: Thursday, February 05, 2009 5:39 PM Subject: RE: [Leica] Is the DOF using a digital sensor any different thanthatof film? >> I never understood that. With a crop sensor, isn't it just >> like shooting >> with a third of the 36 x 24mm frame covered? > > The short answer is Yes. > > The long answer is, hmm, well, it depends. The important thing to consider > is the size of the circle of confusion, which does depend on film format / > sensor size and the degree of enlargement you want. > > Bob > >> -----Original Message----- >> From: lug-bounces+leica=web-options.com@leica-users.org >> [mailto:lug-bounces+leica=web-options.com@leica-users.org] On >> Behalf Of Vick Ko >> Sent: 05 February 2009 22:27 >> To: Leica Users Group >> Subject: [Leica] Is the DOF using a digital sensor any >> different than thatof film? >> >> Is the DOF using a digital sensor (e.g M8, Pana G1) any >> different than >> that of film? >> >> In a question on Rangefinder forum, I was asking about using >> the Pana G1 >> as the most economical way to play "digital M", and got into a >> discussion on "loss of DOF" with digital sensors. >> >> I never understood that. With a crop sensor, isn't it just >> like shooting >> with a third of the 36 x 24mm frame covered? >> >> The razor thin DOF of my Noctilux is still razor thin, just that the >> image that I'm taking is like cropping it to that of a 100mm >> lens. Or, >> to think of it another way, my Noctilux becomes a 100mm f1 portrait >> lens, a focal length that once was considered close to perfect for >> portraits. >> >> And fortunately, with the Panasonic, I see what I'm framing. >> >> Isn't that so, about the DOF? >> >> regards >> Vick >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> >> > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG - www.avg.com Version: 8.0.233 / Virus Database: 270.10.17/1934 - Release Date: 02/04/09 08:24:00