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Does polyester make a backpack waterproof
Lumen measurements were taken using my 50cm homemade integrating sphere (IS) and a REED R8100SD Data Logging Light Meter (with a measurement range up to 100,000 Lux)
SPECIFICATIONS: Certification: NF EN 1077 12/2007 B, ASTM 2040
The gears and bearings will last longer because theyre better quality to begin with and theyre better sealed from the elements
Whats more, its cheaper to buy an all-in-one system rather than piecing your setup together, which is a nice bonus
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