PROJECT To depict inter-relation between ISO ↔ Aperture ↔ Shutter Speed
BEFORE SETTINGS AFTER SETTINGS Focus – Manual White Balance – Auto Metering – Center Weighted Average Focal Length – 55mm Flash – Rear Curtain Sync Release Mode – Timer 2 seconds Shutter Speed – Pointer at Zero
Focus – Manual White Balance – Auto Metering – Center Weighted Average Focal Length – 55mm Flash – Rear Curtain Sync Release Mode – Timer 2 seconds Shutter Speed – Faster by 1/10 sec
GUIDE ⇨ Shri Adil Gazdar
ISO▼
100
ISO▼
200
ISO▼
400
ISO▼
800
ISO▼
1600
1/3 sec 1/2.5 sec 1/2 sec 1.3 sec 2.5 sec 4 sec 13 sec 20 sec 25 sec 30 sec
f5.6 f7.1 f10 f13 f16 f20 f25 f29 f32 f36
1/2.5 sec 1/2 sec 1.0 sec 1.3 sec 2 sec 3 sec 5 sec 6 sec 8 sec 10 sec
1/8 sec 1/5 sec 1/2.5 sec 1/1.6 sec 1 sec 1.6 sec 2.5 sec 3 sec 3 sec 4 sec
1/20 sec 1/15 sec 1/8 sec 1/6 sec 1/3 sec 1/2 sec 1/1.3 sec 1 sec 1.6 sec 2 sec
1/40 sec 1/25 sec 1/10 sec 1/4 sec 1/2 sec 1 sec 1.6 sec 2 sec 2.5 sec 3 sec
BEFORE – Shutter Speed pointer set @ Zero
ISO▼
100
ISO▼
200
ISO▼
400
ISO▼
800
ISO▼
1600
1/30 sec 1/25 sec 1/20 sec 1/8 sec 1/4 sec 1/2.5 sec 1.3 sec 2 sec 2.5 sec 3 sec
f5.6 f7.1 f10 f13 f16 f20 f25 f29 f32 f36
1/25 sec 1/20 sec 1/10 sec 1/8 sec 1/5 sec 1/3 sec 1/2 sec 1/1.6 sec 1/1.3 sec 1 sec
1/80 sec 1/50 sec 1/25 sec 1/15 sec 1/10 sec 1/6 sec 1/4 sec 1/3 sec 1/3 sec 1/2.5 sec
1/200 sec 1/160 sec 1/80 sec 1/60 sec 1/30 sec 1/20 sec 1/13 sec 1/10 sec 1/6 sec 1/5 sec
1/200 sec 1/200 sec 1/100 sec 1/40 sec 1/20 sec 1/10 sec 1/6 sec 1/5 sec 1/4 sec 1/3 sec
AFTER – Shutter Speed made faster by 1/10 sec
M ║ CWA ║ ISO ►100 ║Flash →Rear curtain sync ║FL ►55mm ║WB → Auto
Shutter Speed ⇨ 1/3.0 sec
f5.6
Shutter Speed ⇨ 1/30 sec
BEFORE AFTER
M ║ CWA ║ ISO ►100 ║Flash →Rear curtain sync ║FL ►55mm ║WB → Auto
Shutter Speed ⇨ 1/2.5 sec
f7.1
Shutter Speed ⇨ 1/25 sec
BEFORE AFTER
M ║ CWA ║ ISO ►100 ║Flash →Rear curtain sync ║FL ►55mm ║WB → Auto
Shutter Speed ⇨ 1/2 sec
f10
Shutter Speed ⇨ 1/20 sec
BEFORE AFTER
M ║ CWA ║ ISO ►100 ║Flash →Rear curtain sync ║FL ►55mm ║WB → Auto
Shutter Speed ⇨ 1.3 sec
f13
Shutter Speed ⇨ 1/8 sec
BEFORE AFTER
M ║ CWA ║ ISO ►100 ║Flash →Rear curtain sync ║FL ►55mm ║WB → Auto
Shutter Speed ⇨ 2.5 sec
f16
Shutter Speed ⇨ 1/4 sec
BEFORE AFTER
M ║ CWA ║ ISO ►100 ║Flash →Rear curtain sync ║FL ►55mm ║WB → Auto
Shutter Speed ⇨ 4.0 sec
f20
Shutter Speed ⇨ 1/2.5 sec
BEFORE AFTER
M ║ CWA ║ ISO ►100 ║Flash →Rear curtain sync ║FL ►55mm ║WB → Auto
Shutter Speed ⇨ 13 sec
f25
Shutter Speed ⇨ 1/1.3 sec
BEFORE AFTER
M ║ CWA ║ ISO ►100 ║Flash →Rear curtain sync ║FL ►55mm ║WB → Auto
Shutter Speed ⇨ 20 sec
f29
Shutter Speed ⇨ 2 sec
BEFORE AFTER
M ║ CWA ║ ISO ►100 ║Flash →Rear curtain sync ║FL ►55mm ║WB → Auto
Shutter Speed ⇨ 25 sec
f32
Shutter Speed ⇨ 2.5 sec
BEFORE AFTER
M ║ CWA ║ ISO ►100 ║Flash →Rear curtain sync ║FL ►55mm ║WB → Auto
Shutter Speed ⇨ 30 sec
f36
Shutter Speed ⇨ 3 sec
BEFORE AFTER
M ║ CWA ║Flash →Rear curtain sync ║ f29 ║FL ►55mm ║WB → Auto
Shutter Speed ⇨ 20 sec Shutter Speed ⇨ 2 sec
BEFORE AFTER
ISO 100
M ║ CWA ║Flash →Rear curtain sync ║ f29 ║FL ►55mm ║WB → Auto
Shutter Speed ⇨ 6 sec Shutter Speed ⇨ 1.6 sec
BEFORE AFTER
ISO 200
M ║ CWA ║Flash →Rear curtain sync ║ f29 ║FL ►55mm ║WB → Auto
Shutter Speed ⇨ 3 sec Shutter Speed ⇨ 1/3 sec
BEFORE AFTER
ISO 400
M ║ CWA ║Flash →Rear curtain sync ║ f29 ║FL ►55mm ║WB → Auto
Shutter Speed ⇨ 1 sec Shutter Speed ⇨ 1/10 sec
BEFORE AFTER
ISO 800
M ║ CWA ║Flash →Rear curtain sync ║ f29 ║FL ►55mm ║WB → Auto
Shutter Speed ⇨ 2 sec Shutter Speed ⇨ 1/5 sec
BEFORE AFTER
ISO 1600
ISO 100 A ISO 200 A ISO 400 A ISO 800 A ISO 1600 A0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5AFTER - SHUTTER SPEED
FASTER BY 1/10 sec
SHU
TTER
SPE
ED I
N S
ECO
ND
S
ISO 100 B ISO 200 B ISO 400 B ISO 800 B ISO 1600 B0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0BEFORE - SHUTTER SPEED
POINTER @ ZERO
SHU
TTER
SPE
ED IN
SEC
ON
DS
ISO INCREASE FROM 100 TO 1600 Rise towards higher ISO number, indicates an increase in sensor sensitivity to light. As ISO gradually increased, shutter speed became faster to prevent excess light from hitting the sensor. It implies sensor required less light to expose the image. Lower ISO number is less sensitivity indicating more light required to properly expose, which was
compensated by slower shutter speed. LARGER [f5.6] TO SMALLER [f36] APERTURE AT SAME ISO
As the aperture number increased from f5.6 TO f36 shutter speed became slower. At larger aperture size, image was blown out due to excess light and shallower depth of field. As the aperture narrowed down the depth of field increased and subject came into sharp focus. While using same flash power for different apertures, it was observed that larger size aperture photos
were highly overexposed. As the aperture size steadily narrowed down to f36 the photos were uniformly lit. This is because flash
power is controlled by aperture.
OBSERVATIONS
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