Sensia 100 Sunny day rule

[P3D Dr. George A. Themelis <DrT-3d@xxxxxxxxxxxxxxxxxxxxxxxxxxx>]

Carole wrote about Sensia 100 and the sunny day rule:

>Their chart in the box does not follow
>the "sunny 16" rule, as it reads: 1/250 at f16 (for bright sun,) and 1/250
>@ f 11 for average sun.  

That's not true.  I just checked the box and it says the following:

- Set shutter at 1/250 and the aperture as follows:
* f16  for Sand or Snow under Bright Sun
* f11  Bright Sunlight
* f8   Weak Sunlight
* f5.6 Slightly Cloudy
* f4   Cloudy Rainy shadow

The first case is for a combination of bright sun and snow or sand and it 
is one step beyond "sunny day".  The second case is the "sunny day" rule.

For the Realist and 100 ASA film, follow the DrT rule :-):
* 1/150 @ f16  sun and snow under bright sun
* 1/100 @ f16  sunny day rule (front bright sunlight, distinct shadows)
* 1/100 @ f11  hazy sun, soft shadows
* 1/100 @ f8   cloudy & no shadows, sunset, moon
* 1/50  @ f8   heavy overcast, bright shade
* 1/50  @ f5.6 dark shade

Eric Goldstein gave a similar correct "sunny day" recommendation.
I have sent beginners to long vacations with this little table
and came back with properly exposed slides.

-- George Themelis


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End of PHOTO-3D Digest 1971
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