I saw a recent program on TV where a 100-year old telescope was restored, and the restorer used methylated spirits on the (glass) lens to bring them back to what looked like pristine quality. I intend to try it on an old 500/8 telescopic lens I own...
HTH John in Brisbane -----Original Message----- From: [email protected] <[email protected]> Sent: Wednesday, 21 December 2022 1:11 AM To: [email protected] Subject: lens coating maintenance I picked up a Super Mutli Coated Takumar 6x7 75mm. Mechanics and internals are fine but the front surface has scuffs. No scratches. Just dull spots. Is there any maintenance for such? -- %(real_name)s Pentax-Discuss Mail List To unsubscribe send an email to [email protected] to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions. -- %(real_name)s Pentax-Discuss Mail List To unsubscribe send an email to [email protected] to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

