The YS-17's slim body - 90 x 110 x 140mm (W x H x D) - makes it easy to use underwater lighting more casually. Its light weight - 477g (including batteries) - makes it the lightest, most compact strobe in the YS strobe lineup. The YS-17's system uses a unique TTL function so anyone can easily enjoy TTL photography. Even if the distance to the subject changes, the YS-17 will automatically adjust the light level so you can easily get the correct exposure.
- Guide Number (ISO 100/land) : 14
- Beam Angle : 70° x 53°
- Batteries: 2xAA A: 3V Ni-MH: 2.4V
- Number of Flashes*1 : A: 200 Ni-MH: 400
- Recycle time (full)*2 : A: 3 sec. Ni-MH: 3 sec.
- Color temperature :5600K
- Color temperature w/diffuser : 5100K
- Depth rating : 60m / 200ft
- Dimensions (WxHxD) : 90x110x140mm / 3.6x4.4x5.6inch
- Weight : 425g / 14.8oz
- Under water weight : -10g / -0.4oz