[Leica] IMG: Bench At San Pedro Valley State Park

[Robert Adler]

So 54mmX40.5mm SIZE sensor = approx. 5x4 proportion?
So why do they refer to it as a 645 sensor size??
Thanks George for tolerating my ignorance!!

On Fri, Jul 10, 2015 at 2:46 PM, George Lottermoser <
george.imagist at icloud.com> wrote:

>
> On Jul 10, 2015, at 4:41 PM, George Lottermoser wrote:
>
> > On Jul 9, 2015, at 11:45 PM, Bob Adler wrote:
> >
> >> But still confused by shape vs size...
> >> Thanks for noodling this!
> >
> > Shape 4:5, 6:9, 5:7, etc
> >
> > Size 4x5 inches, 6x9 centimeters, 5x7 inches, etc
>
> a 24 x 36 mm SIZE frame = 2:3 PROPORTION SHAPE
> a 6 x 9 cm SIZE frame = 2:3 PROPORTION SHAPE
>
> Regards,
> George Lottermoser
>
> http://www.imagist.com
> http://www.imagist.com/blog
> http://www.linkedin.com/in/imagist
>
>
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-- 
Bob Adler
www.robertadlerphotography.com