Guide Number (ISO 100-m) 20
Flash Control Mode Canon: E-TTL II
Compatible Cameras Digital SLR cameras with above flash control mode
Recycling Time Alkaline Battery 2-AA approx. 5 sec. (Full flashing)
Recycling Time Ni-MH Battery 2-AA approx. 4 sec.
No. of Flashes Alkaline Battery 2-AA approx. 200
No. of Flashes Ni-MH Battery 2-AA approx. 280
Auto Effective Range TTL Auto 1.0~10m (Focal Length at 35mm)
Angle of Coverage Covers the focal length of 22mm or longer (APS-C size)
Covers the focal length of 32mm or longer (when converted to 35-mm lm size)
Flash Speed Approx. 1/800 sec.
Bounce Flash Vertical: Up 90°
Wide Panel 16mm (APS-C size)
24mm (when converted to 35-mm film size)
Dimensions (HxWxD) (w/o Shoe) Approx. 43.5 x 60 x 88mm / 1.8 x 2.4 x 3.5in
Weight (w/o Battery) Approx. 100g / 3.5oz
For more information about, Sunpak RD2000 Ultra-Compact Digital Flash for Canon ETTL II Camera .