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Lens Bloom
May 26, 2012 22:13:32 #
I have a Zeiss Contax 300mm F4 lens which has been sitting in a closet for years and has developed significant lens blooming.
Will this degrade the image quality?
Thanks,
Bill
Will this degrade the image quality?
Thanks,
Bill
May 26, 2012 22:16:56 #
May 26, 2012 23:03:47 #
Sometimes fungus can be cleaned off a lens with no detrimental effect. But many fungus' will destroy the lens coating and give you terrible lens flare after the fungus has been removed. I cleaned up an old Nikkor 50mm F1.2 one time and it worked as good as new afterward. I then bought a Nikon 80-200 F2.8 with milder fungus for only $80 and cleaned it. But the lens coating had been destroyed by the fungus. It actually worked in low light fairly well, but with flash and in bright sunlight it was pretty much useless. In my opinion its worth a try, what have you got to lose?
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May 27, 2012 00:32:46 #
May 27, 2012 00:39:41 #
The problem is, the fungus is not on the front element, but on an interior element or elements. This is a superior lens and I am trying to determine whether to spend more money on it or simply abandon it and buy another telephoto as I am looking to buy an NEX-7 which, with an APS sensor, would result in an otherwise superb 450 mm 4.5 lens.
Having read your other posts, I highly value your opinions.
Thank you,
Bill
Having read your other posts, I highly value your opinions.
Thank you,
Bill
May 27, 2012 00:46:21 #
Fungus only grows on interior lenses, caused by exposure to high humidity or actually getting wet and no way to dry out the inside of the barrel. The outer lenses will dry off and can be easily cleaned. Lenses all come apart, usually a couple jewelers screwdrivers and a pair of needle nose pliers is all thats needed.
May 27, 2012 01:56:22 #
shieldsadvert wrote:
Contact this professional camera repairman: http://www.uglyhedgehog.com/t-9370-1.htmlI have a Zeiss Contax 300mm F4 lens which has been sitting in a closet for years and has developed significant lens blooming.
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May 27, 2012 13:48:38 #
May 29, 2012 09:57:56 #
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