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Jul 10, 2017 at 22:25 comment added lightproof @trying_hal9000 after trying different solutions and doing some research I ultimately ended up using pure isopropyl alcohol and microfiber cloth for cleaning. It's the easiest, cheapest and the most effective way. If the lens is too dirty for isopropyl alcohol, use ethanol. And before you ask: yes, it's safe to use both isopropyl and ethyl alcohol on pretty much all lenses except for the oldest coated ones as early coatings were quite fragile and could often be stripped off even without any solvent.
May 31, 2013 at 1:45 comment added user2719 @trying_hal9000 - There is really nothing better than ROR for de-spooging a lens. You'd want to get rid of dust and other easily-liftable crud first (a lens pen or other traditional quickie cleaner will do). It's not being aggressively marketed as a lens cleaner anymore (since there's more money in selling it as a screen cleaner), but it's still available at major photo retailers and will still get your coatings looking new again.
May 31, 2013 at 1:42 history edited Dan Wolfgang CC BY-SA 3.0
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May 31, 2013 at 1:42 comment added Dan Wolfgang It looks like PEC-12 is the current version of the PEC-10 I use, though I see that PEC-12 is not recommended for lens cleaning. Methyl alcohol is the safe and effective solution.
May 31, 2013 at 1:15 comment added trying_hal9000 I found these Pec photo wipes but they appear to be dry, can you recommend a wet solution? bhphotovideo.com/bnh/controller/…
May 31, 2013 at 1:08 vote accept trying_hal9000
May 31, 2013 at 0:45 history answered Dan Wolfgang CC BY-SA 3.0