Sort:  

Good question. The reason is - because the room was in total darkness so no movement at all was picked up. Not even me crossing in front of the lens. Only when the flashes went off for a brief moment (approx 1/8000 sec) did it freeze and capture what was exposed.

Coin Marketplace

STEEM 0.17
TRX 0.15
JST 0.029
BTC 61896.22
ETH 2413.79
USDT 1.00
SBD 2.66