- Press the flash button, simultaneously turn the front wheel, it goes from "rear" to "red-eyed"
- Next to it is TTL - through the len. TTL is active when camera mode is set to "P" or "auto".
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- Go to Menu, "Pen", go to "Blacketing Flash .."
- Adjust power of "flash" - 1/4, 1/8, 1/16, 1/64 etc
- If environment INDOOR too bright or too dark ---> adjust ISO, aperture, power of flash, but NOT shutter speed
- Shutter speed does NOT help much in changing 光或暗. If adjust shutter speed, the different is small. If adjust aperture, the differene is obvious
- When the only light source is from the flash, the effect in the change of shutter speed is NOT obvious
- If there is constant source of light on the subject, shutter speed makes a difference
- If all light off, use 1-sec shutter speed, object is freezed because source of light is flash. Flash is 幾千份之一秒. Hence, action is freezed
- If light on, still use 1-sec shutter, object is moving. Movement of object is captured and shadows show
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Issues on colour - if too yellowdish -----> on the contrary, shutterspeed makes a difference here.
- If environment has many sources of light (different degree of 色溫), by increasing shutter speed will stop other light sources to come in, which affects the colour tone of the subject
- Shutter speed however has a limit with built-in flash. 1/200 or highest 1/250
- A drawback with the design of 單鏡. When shutter speed is higher than 1/200, different mechanism of shutter opening applies. Opening of shutter is scanning from top down. Hence, only part of the subject receives light, rest is in dark
- Set 'FP' mode, higher shutter speed is allowed because the flash continuously emits light. Hence when shutter is open, there is continuous supply of light
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Focal plane
- FP --> means the focus is located at the shutter placed just in front of the sensor
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White balance setting
- In an environment with mixed cool & warm lighting, take a middle setting between cool and warm
- Fluoscent has 7 settings !!
- Flash (6000k); Bulbs (5000k) ---> one way to tackle is to wrap the flash with yellowdish / orange paper, set WB to "bulb"; hence, creating an environment of same color tone
----> or set to monotone B/W, light in the environment will not affect the output then
-----> or LED light (new stuff) colour temperature can be adjusted to the way you want
How to shoot white flowers whiter under sunlight
- direct sunlight is 5200k
- if just temperature down 1000k, white flowers will become whiter
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"Bulb" mode comes from the flash bulb in the old times.
"time lapse" setting allowed to take certain # of pic in a designated time (star trek)
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壓光 ----> when outdoor use flash, increase shutter speed (1/200) background (the sky) be darker. Light on the subject is just right but background is under beause only light from flash will get on sensor.
-------> increase shutter speed; use powerful flash; small aperture (1/250, f11 + flash)
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Red-eye turned on to avoid red-eye ----> repeated short flash in the beginning, so the subject will get used to it, and avoid red-eye, when shooting
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增光 -------> lower the shutter to absorb different colours at the background. Shutter: 1/30 sec
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飛燈 ---------> remote flash, say, @ 45 deg onto the subject
longshutter time with flash - e.g. 追龍. "IS" Flash on. If no, too yellowdish on the head of dragon
Multi-exposure - "repeating mode" - set, say, flash 6 times in 1 sec. Each flash is an image exposed. Light painting
- "b" mode
- all black background
- flash 3 times in, say, 6 sec --> one flash, one image
Colour gels ---> placed in front of the flash change colour of the subject
Rear curtain (2nd curtain) ----> shooting at moving objects at night.
