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Old 22-08-2019, 04:33 PM
Ukastronomer (Jeremy)
Feel free to edit my imag

Ukastronomer is offline
Join Date: Jan 2019
Location: Llandysul, WALES, UK
Posts: 1,381
Originally Posted by Adox View Post
Hi Michael, forget about these little stains on your refractor. They will not produce any problem. Once every year, clean the front lens but very gently as the coatings on the Esprit are not the strongest.

If you do not want to leave halos on the lens, use a solvent that would evaporate completely.

I would like some reference for this comment please, thank you
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