Sunday, February 1, 2015

Lesson 2 - ISO/ASA, Contrast, F.stops, White Balance/Colour Temperature.

ISO, ASA ( Film Speed, Film Sensitivity - How fast is able to record light / Strength of record light data. )


                                    Pixel / Quality                                                Contrast
                                                                                               (Sharpness of Colour/ Dull)
Auto                  
100         Slow       Very fine pixel, good for enlargement                   Low  
200                    
400       Medium    Fine, good for enlargement                                 Medium
800
1600       High        Digital noise, not good for enlargement               High

( Higher ISO, Stronger Strength. More grains/ noise )


Continue>>          Light Condition
                           
                         Good for bright light

                        Good for cloudy/shady places

                      Good for dark places: eg- Indoor + Stadium

Shutter speed
1/10    
1/50
1/100                - The speed of curtain open & close. The speed of allowing light to enter the sensor.
1/500                 ( 1/10 - Slow movement, which more light is entering. 1/1000 - Fast movement.)
etc

Aperture 
1.0
5.4/5.,6          - Diameter of Iris hole, which is the size that allowing light go into the camera.
etc.                   ( Larger number, Smaller diameter size.)













F. stops:
100
 1f
200                         ISO 100 to 1600 =  4 f
 1f
400                         ISO 200 to 800 = 2f
 1f
800
 1f
1600


White Balance / Colour Temperature:

Celcius / Kelvin                         Daylight/ Flashlight - 5,500 Kelvin
                                                   Incandescent - 4000 Kelvin
                                                                     - 3200 Kelvin


Room Condition: Indoor Dark Room with a Single Medium Spot Daylight.
Camera Setting: 1/20, ISO - 1600, f/4.6, Incandescent (White balance)
Angle: Lower Near-Corner Front Ducking Position.
Room Condition: Same as above.
Camera Setting: 1/25, ISO - 1600, f/5.4, Incandescent (White balance)
Angle: Front-Second Line Middle Standing Position.

Room Condition: Indoor Dark Room with a Single Large Spread Daylight.
Camera Setting: 1/15/ or 1/20, ISO - 3200, f/3.1~f/4.6, Incandescent (White balance)
Angle: Lower Front Line Ducking Position.
'
Camera Used:
Fujiflim Finepix SL300




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