5, be careful the contact of flashlight. Pull out them after a day of dive ends come and clean O annulus. Caution wants when pull out, do not let sea water splash contact to go up. Do not let contact of grease bring into contact with, often use alcohol to wipe.
6, take on one to reserve forever the phreatic water holiday that cable goes to spending you. A lot of contemporary flashlight can use groovy cell, but I recommend 1500mA can charge batteries, because their wire back is very fast. If the boat goes when charge have difficulty, also can carry on one packet of common battery again.
7, the energy of all flashlight is released in muddy water, be in as you in big mist like effect of illuminative of open car headlight. Because concentrated little grain reflexes light,came back. So, water jumps over muddy, the energy of the flashlight that you want to release is lower. Only use hand uses the energy that flashlight of mode ability bring down releases.
8, whether had once wanted to sell you together with flashlight those the utility of astigmatism board?
They can make the light downier, colour temperature warmer OK bring down the light of 1 archives aperture. It is used to reduce the reflex of floating dust in muddy water. And, be in when you close quarters perhaps films in the swimming-pool in the home figure when, it can make person cutaneous tonal slant warm.
9, when using flashlight, must not forget use ambient light. Film in extensive role in, two kinds of illumination organic ground is combined, in order to behave more content except flashlight illume limits
10, because the light wants the space that pass in water, colour temperature to correct and reductive the color of the content that be photographed is very important. Colour temperature those who be 5600K is small be apart from do not agree with with flashlight take wide part, because it is too cold. Same, use at filming of extensive role, colour temperature be 4900 - the flashlight of 5200K to small be apart from photography too warm. Film to adjust your extensive role to use Yu Wei to be apart from with flashlight, what can add a Dan La is colour temperature piece.
Special effect:
Flashlight is to build one of tools with special best effect. Go in this hole in the photograph, advocate flashlight is being taken by the first diver, be far from camera and be linked together with a long cable and camera; The 2nd diver is taking the burrow that a passivity flashlight goes to enlightening before him.
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