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I would like a 12v spotlight that is light in weight, lens diameter is up to 240mm (smaller if possible), & I would like it to throw a concentrated beam (pencil beam) to approx 300m. It will be powered from a vehicles electrical system.
I's really going to be difficult to find anything better than the Blitz 240 modded to about 85 Watts (at the bulb) for a tight, far throwing beam in the specific configuration you want - pistol grip. But at that wattage, I would not do extended run times over about 5-7 minutes as some melting of the front lens and/or the black plastic shell above the lamp may occur. If you have not experienced that with your current rig, then I would suspect it is not anywhere near 100 Watts output. Mine produced 84 Watts at the lamp and quite nicely lit up a big tree at 900'. No LED is going to match concentrating 8,500 Lumens that far downrange in a tight beam and spot. Search for "BVH Blitz" or similar and there are some beam shots in that thread.
EDIT: Here's the post. http://www.candlepowerforums.com/vb...n-Beam-Shots&p=2853768&viewfull=1#post2853768 Scroll down to the "long Range" Blitz shot marked as about 350 Yards. It's actually about 388 Yards. The hotspot is a bit brighter than in real life but the spill on the tree foliage is very representative.
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