ARRI TECH TALK Live: How to clean your lenses properly // English Version

This time it's about lens cleaning—which is not as easy as you might think. There are hundreds of methods and materials that can be used; however, some of them are not really suitable for lens cleaning and can even be harmful to the health of the users. Thorsten Meywald, Product Manager Optical Systems, and Joachim Jaeger, Service Manager Tech Optics, are providing step-by-step instructions on how to clean your ARRI lens properly.
A wealth of background information complements this webinar.
To learn more about our lenses, visit https://arri.link/signature-prime-lenses.

00:00 Welcome
00:58 Introduction to ARRI lens service
04:33 Filters and their coatings
05:50 What cleaning materials can be used
10:35 The first step to cleaning a lens
13:06 What cleaning agents can be used
17:13 How to clean the exterior
22:14 How to clean the front and rear lens
25:41 Cleaning a fingerprint on a lens or filter
29:22 End of demonstration and beginning of Q&A session
29:43 Q1: What base can you recommend to clean the lens on top of?
31:13 Q2: How can you clean the lab gloves and where can you buy them?
32:29 Q3: What exactly can the window cleaner be used for? Exterior or lens?
33:53 Q4: Can you clean and reuse the microfiber cloth?
34:12 Q5: Can you replace the microfiber with facial tissues or Kleenex?
34:56 Q6: How do you clean a lens with sand in it?
35:46 Q7: What if cleaning with IPA (isopropyl alcohol) fails?
37:50 Q8: Can IPA be used on all lenses and filters?
39:35 Q9: Can I use Kimtech wipes?
39:58 Q10: What percentage should the IPA have?
40:11 Q11: Is it ok to breathe on the lens, to clean it?
41:04 Q12: Can you give tips for cleaning a fisheye lens?
41:30 Q13: Where can I learn how to repair ARRI lenses?