ELECTRIC WATER HEATER USAGE : HEATER USAGE
Electric water heater usage : 80 gallon water heater blanket
Electric Water Heater Usage
Peleng 8mm circular fisheye usage
So, to use the Peleng you mount it on your camera; set the UNLOCKLOCK ring to UNLOCK; frame and focus your subject using the focus ring, turn the UNLOCKLOCK ring to LOCK; check the depth of the field and/or use the DOF markings by aperture above the focus ring, change the aperture until the desired DOF is achieved; meter using your camera in Av mode or matched needle mode to get your desired exposure (matched or middle for camera's sestion or over or underexpose as desired). Take your shot; if you are bracketing, take other shots at desired shutter speeds or ISO settings. Before framing and focusing a new shot set the UNLOCKLOCK ring to UNLOCK and repeat the above process. See notes above for ring labels.
Boris Bikes ("higher" quality vid)
Usage of recently introduced cycle hire scheme in London.
Circle surface indicates number of Bikes used per station per slice of 1 hour (red=bikes taken from station, green = bikes arriving to station).
This is an average day (3-7-2010 -> 3-11-2010), I have not attempted to filter out week ends and bank holidays. But essentially, it's commuter-dominated for the peaks (high demand near railway station in the morning and so forth).
A lower quality video can be seen next to this one.
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