expozièní hodnota 
12.12.2017
Expozièní hodnota - EV, exposition value popisuje množství svìtla, které poskytuje fotografovaná scéna, množství svìtla, kolik se od objektù ve fotografované scénì odráží do objektivu fotoaparátu.
|
EV |
typická scéna |
|
-6 |
noc, daleko od svìtel mìst, osvìtlení pouze od hvìzdné oblohy |
|
-5 |
noc, daleko od svìtel mìst, mìsíc rostoucí do první ètvrti |
|
-4 |
noc, daleko od svìtel mìst, mìsíc v první ètvrti |
|
-3 |
noc, daleko od svìtel mìst, mìsíc v úplòku |
|
-2 |
noc, daleko od svìtel mìst, mìsíc v úplòku, snìhová pokrývka |
|
-1 |
objekt osvìtlený tlumeným svìtlem |
|
0 |
objekt osvìtlený tlumeným svìtlem |
|
1 |
osvìtlená obloha nad vzáleným horizontem |
|
2 |
blesky bouøky, svìtlo pøi úplném zatmìní mìsíce |
|
3 |
ohòostroj |
|
4 |
Candle lit close-ups. vánoèní osvìtlení, osvìtlené budovy, fontány a památky, objekty pod silným poulièním osvìtlením |
|
5 |
Night home interiors, average light. School or church auditoriums. Subjects lit by campfires or bonfires. |
|
6 |
Brightly lit home interiors at night. Fairs, amusement parks. |
|
7 |
Bottom of rainforest canopy. Brightly lighted nighttime streets. Indoor sports. Stage shows, circuses. |
|
8 |
Las Vegas or Times Square at night. Store windows. Campfires, bonfires, burning buildings. Ice shows, football, baseball etc. at night. Interiors with bright florescent lights. |
|
9 |
Landscapes, city skylines 10 minutes after sunset. Neon lights, spotlighted subjects. |
|
10 |
Landscapes and skylines immediately after sunset. Crescent moon (long lens). |
|
11 |
Sunsets. Subjects in deep shade. |
|
12 |
Half moon (long lens). Subject in open shade or heavy overcast. |
|
13 |
Gibbous moon (long lens). Subjects in cloudy-bright light (no shadows). |
|
14 |
Full moon (long lens). Subjects in weak, hazy sun. |
|
15 |
Subjects in bright or hazy sun (Sunny f/16 rule). |
|
16 |
Subjects in bright daylight on sand or snow. |
|
17 |
Rarely encountered in nature. Some man made lighting. |
|
18 |
Rarely encountered in nature. Some man made lighting. |
|
19 |
Rarely encountered in nature. Some man made lighting. |
|
20 |
Rarely encountered in nature. Some man made lighting. |
|
21 |
Rarely encountered in nature. Some man made lighting. |
|
22 |
Extremely bright. |
|
23 |
|
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