Originally posted by Jethro
Would appreciate any links cos like to know about the functions and 'know-how' on the following topis.....Front-Curtain Sync (normal sync)
?Red-Eye Reduction
?Red-Eye Reduction with Slow Sync
?Slow Sync
?Rear-Curtain Sync:rbounce:
Front curtain (normal) sync :
1. Shutter opens.
2. Flash fires.
3. Shutter closes after a duration of the flash sync shutter speed (e.g. 1/250)
Slow Sync
1. Camera uses a shutter speed typically lower than 1/60.
2. shutter opens
3. flash fires immediately
4. shutter closes after a length of time based on the set shutter.
Red Eye reduction
1. red-eye reduction lamp fires
2. shutter opens
3. Flash fires immediately
4. Shutter closes
Red Eye Reduction with slow sync
1. red-eye reduction lamp fires
2. Camera uses a shutter speed typically lower than 1/60.
3. shutter opens
4. flash fires.
5. shutter closes after a length of time based on the set shutter.
Rear curtain sync
1. shutter opens
2. flash fires just before shutter closes
3. shutter closes.
Those with red eye are not very useful as they introduce a significant delay.
Slow sync is useful if you want a longer shutter speed to capture ambient lighting. e.g. if you want to take a pic of your friend with the singapore skyline in the background (obviously tripod needed).
Rear-curtain will fire the flash just before shutter closes, freezing the subject at end of exposure.
Front curtain will fire first, freezing the subject. But if shutter speed is long, subject will leave a blur/ghost.
Regards
CK