[LRflex] Re: PS RE: Angle of View
- From: "Frank Filippone" <red735i@xxxxxxxxxxxxx>
- To: <leicareflex@xxxxxxxxxxxxx>
- Date: Fri, 25 Jan 2008 17:35:46 -0800
Doug.... did you forget? There ARE lenses with less focal length than
35mm.......!
( Just not too appropriate for birdies or birders )
I noticed you used the term "crop factor"..... Shame.
Let's find another term for this...... relative sensor factor? RSF?
Proportional Size Factor? PSF?
Sensor to 35mm size factor? S35SF? ( for us Hasselblad purists it would be
S6x6SF.. for the 8x10 gang, S8x10SF.. etc.)
How Bout Digital Sensor Scale Factor? DSSF? ( which I like the best....)
Frank Filippone
red735i@xxxxxxxxxxxxx
I wrote:
> For a 35mm film camera:
>
> 35mm lens = AV-64
> 50mm lens = AV-45
> 60mm lens = AV-40
> 80mm lens = AV-29
> 90mm lens = AV-27
> 100mm lens = AV-22.5
> 180mm lens = AV-14
> 200mm lens = AV-12.5
> 250mm lens = AV-10
> 280mm lens = AV-8.8
> 400mm lens = AV-6
> 560mm lens = AV-4.4
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