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## Tipster of the Week: Computing Exposure is Never Boring

### Here is an elaboration on the "Sunny 16 Rule", explained as plus or minus f/stops from the ISO film speed at f/16.

A Basic Daylight Exposure Guide for When You Don’t Have a Light Meter by herbert-4

Computing exposure is easy; when in bright sunlight the f/stop is f/16 and the shutter speed is equal to the film’s ISO speed: ISO 100= 1/100 second at f/16. This is Basic Daylight Exposure (BDE), also called “Sunny 16 Rule”.

Here are suggested exposures from an old yellowed mimeographed handout from a photography class from 40+ years ago. The exposures are listed as plus or minus BDE, and if your f/stops won’t go the distance, change
the shutter speed.
So here goes:

1. Sunlight with normal subject in the sun = BDE.
2. Sunlight with dramatic or silhouette effect, shooting toward the sun = BDE minus 2 f/stops.
3. Sunlight over snow or white sand = BDE minus 1 f/stop.
4. Sunlight with backlit subject, exposing for shadows = BDE plus 2 f/stops.
5. Overcast with hazy light and soft shadows = BDE plus 1 f/stop.
6. Overcast with cloudy bright light, no shadows = BDE plus 2 f/stops.
7. Heavy overcast or open shade = BDE plus 3 f/stops.
8. When photographing the moon for a lunar shot = BDE for full moon, plus 1/3 f/stop for 2/3 moon, plus 1/2 f/stop for 1/2 moon, plus 2/3 f/stop for 1/3 moon, plus 1 f/stop for 1/4 moon.
9. Night skylines at a distance = BDE plus 13 f/stops.
10. Neon or lighted signage at night = BDE plus 5 f/stops.
11. Stage shows with bright lights = BDE plus 5 f/stops.
12. Stage shows with average lights = BDE plus 7 f/stops.
13. Ice shows with flood lights = BDE plus 6 f/stops.
14. Circuses with flood lights = BDE plus 7 f/stops.
15. Bright city lights at night (i.e. Las Vegas) = BDE plus 6 f/stops.
16. Fireworks on the ground = BDE plus 6 f/stops.
17. Buildings, fountains, monuments with flood lights = BDE plus 11 f/stops.
18. Christmas lights at night (indoor or outdoor) = BDE plus 11 f/stops.
19. At church with incandescent (wolfram) lights = BDE plus 9 f/stops.
20. School auditorium stage shows = BDE plus 9 f/stops.
21. Store window lights at night = BDE plus 6 f/stops.
22. Candle light portraits or close-ups = BDE plus 10 1/2 f/stops.
23. Bright lit house interiors at night = BDE plus 9 1/2 f/stops.
24. Average lit house interiors at night = BDE plus 11 f/stops.
25. Indoor swimming pools at night with incandescent (wolfram) lights = BDE plus 8 f/stops.
26. Brightly lit fairs and amusement parks at night = BDE plus 7 f/stops.
27. Brightly lit sporting events and concerts, indoors = BDE plus7 f/stops.
28. Brightly lit nlght sporting events and concerts, outdoors =BDE plus 6 f/stops.

Always have lots of films and bracket your exposures a bit, plus and minus. Have this memorised for tomorrow. There will be a quiz. :)

This works!

### written by herbert-4

1. #### eggzakly

over 5 years ago ·
2. #### vicuna

Great tipster! It's true that the "sunny 16" rule is one to have in mind and easy to adapt to every situation!! Thanks for sharing your photographic knowledge Herbert (as you always do :))

over 5 years ago ·
3. #### herbert-4

#7 is a typo... should be "BDE plus 3 f/stops". Sorry.
Thanx.
Herb

over 5 years ago ·
4. #### sibu_sen

Thank you!!!

over 5 years ago ·

woooowwww... thanks for sharing!

over 5 years ago ·
6. #### stouf

Ho yeah... Perfect exposures ! Great tip !

over 5 years ago ·
7. #### migueld

over 5 years ago ·
8. #### mandashitley

Thanks for this

over 5 years ago ·
9. #### mattydk

thanks for sharing the knowledge Herb!

over 5 years ago ·
10. #### panelomo

that photo on top is freakin cute! haha!

over 5 years ago ·
11. #### scapegoat

@herbert-4: corrected! :)
over 5 years ago ·
12. #### eyecon

A good idea to print it out and tape it on the cam....

over 5 years ago ·
13. #### ethermoon

herbert, thank you! in my idea, you're one happy guy as seen from the photo above! :)

over 5 years ago ·
14. #### herbert-4

@ scapegoat: Thank you for the fixing the typo!!

over 5 years ago ·
15. #### he_is_me

Nice to get back to basics... or in my case discover them in a clear, easy to understand description!

over 5 years ago ·
16. #### treehugger419

Thanks a bunch!

over 5 years ago ·
17. #### pulex

just found this and im happy cause i got my Voigtländer Vito b with me for shooting my first roll today...perfect...hope i remember...! thx herbert

almost 5 years ago ·
18. #### mcrstar

over 4 years ago ·
19. #### patriciapetunia

okay this looks so helpful but i don't understand it. can somebody please explain?

20. #### phantomphoenixphotos

Great tipster! Very, very useful!

over 2 years ago ·
21. #### abecd

hmm... by saying plus 2 f/stops, what i must do? i don't really understand it...

9 months ago ·
22. #### hervinsyah

AWESOME, thanks for the link, sir @herbert-4 but I'm very poor with math, number, logic. will learn slowly =)

7 months ago ·