Originally Posted by
Frank Petronio
What is the purpose of frosting on a Halogen bulb? I mean at anything other than macro distances, it all becomes a point source so it can't be diffusing the light can it?
I just was at Lowes and saw they stock a lot of Halogens now, including 500W "Rough Duty" ones that will fit my Lowels. Only $8-9 too, compared to the bulbs I buy from B&H for double that. But I think all my bulbs I've purchased from photo concerns have been frosted.... what is point of the frosting though? If anything it should make them less efficient, right?
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