Very stiff focus ring In Leica Summicron-R 1:2 / 50mm RE-grease with "Liqui Moly LM47" - YouTube
The Only Lens I've Ever Fixed – 35hunter
Stiff focus ring In Nikon Lens Series E 100mm 1:2.8 - YouTube
What's wrong with my new Helios 44-2?: Adapted Lens Talk Forum: Digital Photography Review
Cleaning excess oil? Frozen helicoid: Adapted Lens Talk Forum: Digital Photography Review
What's wrong with my new Helios 44-2?: Adapted Lens Talk Forum: Digital Photography Review
Kodak Retina Ia & IIa focus repair notes
How to fix stiff focus ring in Nikkor Pre-Ai 50mm 1:2 - YouTube
Servicing the 55 mm f/2.8 Micro Nikkor Lens
Servicing the 55 mm f/2.8 Micro Nikkor Lens
Jupiter 9 stiff focus despite newly greased helicoid - PentaxForums.com
Kodak 35 Original & Rangefinder (1939 & 1948) - mike eckman dot com
Very stiff focus ring in Ai-s Nikkor 105mm 1:1.8 - YouTube
Servicing the 55 mm f/2.8 Micro Nikkor Lens
Stiff focus ring in Carl Zeiss T* 50mm 1:1.7 C/Y RE-lube with #10 grease - YouTube
Help needed on OM Zuiko 300mm f4.5 lens .... stiff focusing ..... | Mu-43
Breathing New Life into Old Cameras - mike eckman dot com
Kodak Retina Ia & IIa focus repair notes
Stiff focus ring in Carl Zeiss T* 50mm 1:1.7 C/Y RE-lube with #10 grease - YouTube
Helios 44M Focus Thread Cleanup — Simon Hawketts' Photo Blog
Repair: Micro-Nikkor 105mm f/2.8 Ai-S | Richard Haw's Classic Nikon Repair and Review
▷ How To Loosen Up A Stiff Lens In 5 Steps - Gogotick
Stiff focus ring in Ai-NIKKOR-Q·C Auto 1:4 f=200mm - YouTube
Stiff focus ring in Micro-Nikkor Ai 55mm 1:3.5____PART_1___Motion Lapse Film - YouTube
