Yes, the lens remains the same. Ansel Adam's book, "The Camera", makes it clear. A 50mm lens is a 50mm lens regardless of whether it's on an APS camera or an 8x10 field camera. The subject itself remains the same size on the film plane regardless of format.
Bill ----- Original Message ----- From: "John Forbes" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, February 22, 2004 10:58 AM Subject: Re: The lens remains the same? > This is what the original question related to: > > "it appears to me that when I look through a 50mm lens with the *istD, the > subject does > indeed look closer than if I look through the same lens on my MZ-6." > > The *ist D is showing in the view finder what will appear in the picture - > to whit: a cropped version of what will appear on the Mz's 35mm negative. > > The ratio of the *ist D's sensor to a 24x36mm neg is very close to 2:3, > hence a 50mm lens used on the*ist D will give the same magnification (or > framing if you prefer) as a 75mm lens on a 35mm camera. > > That is why the subject "seems to be closer". > > Still, at least you are disagreeing politely now. The next stage is to > reach agreement. :-) > > John > > > On Sun, 22 Feb 2004 07:57:58 -0600, William Robb <[EMAIL PROTECTED]> > wrote: > > > > > ----- Original Message ----- > > From: "John Forbes" > > Subject: Re: A busy little fairygirl.... > > > > > >> First, there is no call for offensive language. It is always good > > to be > >> polite, and it is especially good when you are wrong. > > > > Wow, someone lecturing a Canuck on manners. > > Whee!! > > > >> > >> Second, a 50mm lens used on a camera with a frame size equivalent > > to APS > >> gives the same effect as a 75mm lens on a 35mm film camera. If you > > think > >> otherwise, you have some self-education in front of you, and not > > just in > >> manners. > > > > Anyway, are you absolutely sure about that? > > Exactly the same effect? Or just a kind of similar effect? > > Or would it be just a close angle of view, but maybe the similarity > > ends there? > > Do you have first hand experience with multiple camera formats? > > I shoot 4 distinctly different formats, and have to deal with this > > issue every time I change camera bags. > > Call me wrong if you like, I politely disagree with you. > > > > William Robb > > > > > > > > > > -- > Using M2, Opera's revolutionary e-mail client: http://www.opera.com/m2/ > >
