I want to clean the front of my lens glass as I seem to have a tiny mark, not sure what it is, so can I use isopropyl alcohol solution and a soft cloth ok without causing damage to the glass ?
Appreciate any advice regards my query.
The one that I use, and have done for some time, to clean both my lenses and my telescope optics is this one:
Hm water eh! I better put my filter on before I clean itWhich is a mix of water, ethanol and isopropyl alcohol (40:25:35).
Which is a mix of water, ethanol and isopropyl alcohol (40:25:35).