I bought these lamps to replace the compact fluorescent lamps that came with my photography lighting kit. I had never heard of corn bulbs before looking for new bulbs, but damn these things are bright. The body is made of durable plastic and they feel really solid. I've gone from 6500k to 6000k but still they seem whiter than my CFLs. I've thrown them in my reflective softboxes and yes they do a great job. The price is right, they are durable and, unlike CFLs, contain no mercury. Can't speak to durability yet (and will update if necessary) but so far they seem to be a solid buy.
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