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Make sense now (puzzled at first). So eyepieces rest against eyes (actually of eyesocket bone), and forehead rest makes up the 3rd leg of a tripod for stability. Clever.
lol what a dork
You don't even need one of these, you are being conned
No con. It's increasingly useful as magnification increases. With the 12x version of the NL Pure, the forehead rest is a big advantage.
Make sense now (puzzled at first). So eyepieces rest against eyes (actually of eyesocket bone), and forehead rest makes up the 3rd leg of a tripod for stability. Clever.
lol what a dork
You don't even need one of these, you are being conned
No con. It's increasingly useful as magnification increases. With the 12x version of the NL Pure, the forehead rest is a big advantage.