Archived posting to the Leica Users Group, 2000/02/10

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Subject: Re: [Leica] Digital cameras and Interchangable lenses?
From: John Collier <jbcollier@home.com>
Date: Thu, 10 Feb 2000 15:45:04 -0700

See I told you someone knowledgeable would come along and help us out!

John Collier

> From: Stephen Holloway <stephen.holloway@balcab.ch>
> Reply-To: leica-users@mejac.palo-alto.ca.us
> Date: Thu, 10 Feb 2000 23:12:08 +0100
> To: leica-users@mejac.palo-alto.ca.us
> Subject: Re: [Leica] Digital cameras and Interchangable lenses?
> 
> 
> 
> Mark Rutledge wrote:
>> 
>>>> N**** and C**** use lens elements in their digital bodies to correct the
>> field of view so that the smaller format area of the CCD sensor shows the
>> same field of view as what a photograpgher is used to with their 35mm SLRs.
>> In other words without the corrective lens elements a normal 50mm lens would
>> turn into a small telephoto. <<
>> 
>> John,
>> Is this a new thing for the digital SLR? I seem to remember the N90/Kodak
>> digital camera didn't compensate for the CCD/Film size discrepancy,. There
>> was actually a rectangle inscribed on the screen that showed the "new" image
>> area of the CCD.
>> Is this what you mean, or have I been out of the digital loop too long?
>> Thanks,
>> Mark Rutledge
> 
> None of the current 35mm-bodied digitals (such as the D1) use corrective
> elements. Nikon did make such a camera, but it wasn't so hot. The frame
> size is effectively a crop from the center of the 35mm frame. So
> effective focal length is changed (something like x1.5 for the current
> generation). The D1 viewfinder just shows this smaller area.
> 
> I've no idea whether film lenses aren't suitable for CCDs (but I'm a bit
> of a skeptic) but the D1 gives pretty nice images. A CCD with the same
> pixel density and 35mm size would be very welcome (especially in an
> M6!).
> 
> You can write the words Nikon and Canon you know! I think most people
> here can take it.
> 
> --
> Stephen Holloway
> http://www.deepturtle.com/steve/photos