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T-Cut · 8th August 2019, 18:10

I see the latest fad in lens reconditioning is vapour polishing using a very expensive 'fluid' and a cute spouted electric kettle. Here's an example: https://www.youtube.com/watch?v=P6ptFwqq5PQ
Some of these kits cost well over £60, the special fluid being around £8 for a small bottle.
Kits on ebay, etc: https://www.ebay.co.uk/sch/i.html?_f...g+kit&_sacat=0

It looks magically easy, but it doesn't recover the lens to it's original state in spite of some of the supplier's claims (China). The special fluid is aqueous acetone, which sends acetone vapour out the spout when warmed. Acetone dissolves the outer foggy surface and 'polishes' it as it dries out. Basically, it replaces the final buffing step. The lens will cloud again without UV protection.

TC

8th August 2019, 18:10	#12
T-Cut This is my second home Rover75 and Mreg Corsa. Join Date: Nov 2006 Location: Sumweer onat mote o'dust (Sagin) Posts: 21,753 Thanks: 341 Thanked 3,660 Times in 2,924 Posts	I see the latest fad in lens reconditioning is vapour polishing using a very expensive 'fluid' and a cute spouted electric kettle. Here's an example: https://www.youtube.com/watch?v=P6ptFwqq5PQ Some of these kits cost well over £60, the special fluid being around £8 for a small bottle. Kits on ebay, etc: https://www.ebay.co.uk/sch/i.html?_f...g+kit&_sacat=0 It looks magically easy, but it doesn't recover the lens to it's original state in spite of some of the supplier's claims (China). The special fluid is aqueous acetone, which sends acetone vapour out the spout when warmed. Acetone dissolves the outer foggy surface and 'polishes' it as it dries out. Basically, it replaces the final buffing step. The lens will cloud again without UV protection. TC Last edited by T-Cut; 8th August 2019 at 18:17..