[MF3D.FORUM:104] Re: Image Size

[Greg Erker <erker@xxxxxxxxxxxxxx>]

> Format    Size      F      S      Adj. S   Immersion Factor
> 5P      23 x 21    44    2.0896   1.9967        0.3178
> 7P      23 x 28    44    2.4174   2.1910        0.3487
> MF      50 x 50    78    2.6838   2.6838        0.4271
> 3Disc   24 x 36    43    2.7753   2.2660        0.3606
> MF-W    56 x 58    78    2.9964   2.9443        0.4686
> 6 x 7   60 x 70    78    3.2876   3.0437        0.4844


Not much time to talk today but I don't think there
is any 6x7 camera that is actually 60x70mm. More like
50-some by 60-some. So the last line is overly optimistic.

Where did you get 43mm for the 3Discover FL. Isn't it
more like 50mm?

Lastly, I've mounted some of my fireworks slides as
52x52mm to increase the fill-your-view factor. What
immersion factor does that give?

Greg E.