Something many digital camera owners have been crying out for has been answered by Metz in their new external flash unit. The mecablitz 34 CS-2 external flash can operate by hotshoe connection or as a 'slave flash' (firing when it detects the firing of a camera flash), it can now be programmed to ignore the pre-flash sometimes used by digital cameras to meter a scene.

Metz mecablitz 34 CS-2 flash specifications

Guide number ISO 100/21° (35/50mm) 28
Guide number ISO 100/21° (tele) 34
Tele-computer apertures 3
Hot-shoe 'foot' Yes
Slave-function Remote slave through wireless TTL
Photo sensor Yes, one flash or two
Automatic shut-off Yes
Clip-on wide-angle diffuser Yes
Clip-on telephoto screen Yes
Power CR2 Lithium battery
Weight (no batts) 160 g (5.6 oz)
Dimensions 61 x 102 x 35 mm (2.4 x 4.0 x 1.4 in)