Cleaning Carl Zeiss Jena Biotar 5.8cm f2 17 aperture blades

Cleaning the Carl Zeiss Jena Biotar 5.8cm f2 lens with its intricate 17 aperture blades is crucial for maintaining peak performance and image quality. In this comprehensive guide, we'll walk you through the step-by-step process of cleaning this vintage masterpiece, ensuring your lens remains in pristine condition.

Tools that i'm using:
Lens spanner: https://amzn.eu/d/aWh88BM
Camera cleaning kit: https://amzn.eu/d/5guasMx
Camera lens helicoid grease: https://www.ebay.com/str/polarbearcamera

Chapters:
00:00 - Intro
00:15 - Tools
00:50 - Getting started
01:46 - Removing front element elements
02:32 - Removing rear elements
05:22 - History
05:47 - Pre-disassembly checkmark
06:02 - Removing aperture ring
06:43 - Removing depth of field scale
07:24 - Removing helicoid ring
08:34 - Helicoid marking
09:31 - Removing helicoid
10:21 - Helicoid removal tips
12:01 - Removing focusing ring
12:33 - Removing aperture indicator
13:02 - How to remove old grease
13:17 - Removing aperture control ring
14:23 - Cleaning the helicoid tips and tricks
15:39 - Applying new grease
17:02 - Assembling the aperture control ring
18:06 - Applying new grease on the focusing ring
18:43 - Screwing in the aperture indicator
19:18 - Aligning and reassembling the helicoid
21:02 - Cleaning excess grease
21:13 - Aligning the marks for infinity focus
22:03 - Assembling focusing ring
22:44 - Assembling depth of field scale
23:15 - Assembling the aperture ring
24:23 - Testing the focusing
25:04 - Putting the glass back in
27:26 - Outro

Key Steps Covered:

Gather Your Tools: We'll start by assembling the necessary cleaning tools.

Safe Handling: Learn how to handle the lens carefully to prevent any accidental damage during the cleaning process.

Final Inspection: Learn how to perform a final inspection to make sure the lens is spotless and free from smudges or streaks.

Preventative Maintenance Tips: Discover some expert tips on how to prevent dust and debris buildup on your Biotar lens.

By following these steps, you'll be able to maintain your Carl Zeiss Jena Biotar 5.8cm f2 lens in optimal condition, ensuring it continues to deliver stunning images and retains its value.
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Background track:
"Vibing Over Venus" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
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