Very very good. No batteries. Very light, compact. Always at hand. Good value for money. More ... - Continuous mode lock (hold) is more irritating than anything else, is skid and made several pictures (personally I inactivated with a match piece and a piece of gaffer) especially: - Strained, it stops working after 6 months. (Disassembled, I could fix a time, but it's still wobbly)