Guide Number: 21m at ISO 100

Bounce Angle: +90 / 0 vertical

Dimensions: 2.6 x 2.2 x 3.1 in

Guide Number: 28m/92' (ISO100), 39m/128' (ISO200)

Bounce Angle: +90 / -7 vertical, +180 / -180 horizontal

Dimensions: 71mm x 126mm x 104.5mm

Guide Number: 34/111.5 (ISO 100, m/ft), 48/157.5 (ISO 200, m/ft)

Bounce Angle: Flash head tilts down to 7° or up to 90° with click-stops at -7°...

Dimensions: 78.5mm x 145mm x 113mm / 3.1" x 5.7" x 4.4"

Guide Number: 10

Bounce Angle: + 45 / - 60 horizontal

Dimensions: 3.1 x 3.0 x 2.2 in

Guide Number:

Bounce Angle: not specified

Dimensions: 68mm x 96mm x 58mm, 2.7" x 3.8" x 2.3"