Cleaning
58 posts tagged Cleaning. Search within these →
Nikon 50mm f/1.8 Series E: Insect Shells Inside the Lens
Servicing a Nikon 50mm f/1.8 Series E lens. This lens was in exceptional condition except for one issue: there was a small family of three insects living…
Mamiya 645 80mm f/2.8: Oily Diaphragm and Loose Focus
This 80mm f/2.8 lens for the Mamiya 645 wins the prize for most oil on lens diaphragms this week. Also, the focus was very loose and uneven. For the lens…
Mamiya Press 100mm f/3.5: Sticking Shutter Cocking Ring
This Mamiya 100mm f/3.5 lens being serviced is for the Press/Universal line of cameras. Typical issue of sticking shutter cocking ring. On opening the…
Mamiya 7 80mm Lens: Cleaning Concentric Rings of Fungus
This Mamiya 7 80mm lens had concentric rings of fungus. Kind of disappointing fungus, as least for photographic purposes as they were not really…
RB67 180mm Early Lens (1974): Slow Shutter Release
This early version of a Mamiya RB67 180mm lens (1974) is being repaired for the typical slow/delayed shutter release. These need disassembly and removal of…
Mamiya 7 150mm Lens: Finding Fungus Behind the Closed Shutter
Another fungus post. This 150mm Mamiya 7 lens came into the shop for a rangefinder check. While the rangefinder checked OK, I did notice fungus on inner…
Mamiya 645 80mm f/2.8 N: Loose Focus Ring and Slow Diaphragm
Servicing an 80mm f/2.8 N Mamiya 645 lens. This lens came into the shop with the complaint of a loose focus ring. A straightforward repair where some…
Mamiya 7II: Sticky Shutter Button From Spilled Liquid
Servicing a Mamiya 7II. This camera had a sticky shutter release button and I was told that a sticky liquid was spilled on the camera. After removing the…
RB67 140mm Macro Lens: Severe Fungus on Most Elements
This is a post about lens fungus. I am servicing a Mamiya 140mm Macro lens that has a very bad case of fungus on almost every lens element. Photo two is…
Mamiya 90mm f/3.8 (1973): Excess Moly Lube in the Shutter
Servicing an early version of the Mamiya 90mm f/3.8 lens (1973). Shutter was sticking (delayed release) and needed disassembly and cleaning off of…
RB67 90mm f/3.8 Early Version: Delayed Shutter Opening
Servicing a Mamiya 90mm f/3.8 lens for RB67. This is an early version (July 1973) with the sync terminal permanently attached to the housing as seen in…
Canon A-1: Mirror Squeal and Mg2 Magnet Self-Release
Servicing a Canon A-1 body. Most of the Canon A-1 bodies that I see these days need light seals and/or lubrication of the mirror retarding gear. Light…
Kodak 14 Inch Commercial Ektar: Servicing the Ilex 5 Shutter
Servicing a Kodak 14 inch Commercial Ektar lens for 8x10. The Ilex 5 shutter that this lens is installed in needed the typical cleaning and lubrication…
Mamiya 645 55mm f/2.8 Lens: Oily Diaphragm Blade Cleaning
Performing a typical diaphragm cleaning service on a Mamiya 55mm f/2.8 lens for 645. Not only do the blades need to be removed for cleaning, but the…
Mamiya 645 80mm f/2.8: Over-Lubricated Focus Helix and Diaphragm
This 80mm f/2.8 Mamiya 645 lens came into the shop with complaints of stiff and uneven focus and sticking diaphragm blades. On disassembly, I found that…
RB67 127mm Lens: Delayed Shutter Release From Dried Lubrication
Servicing a 127mm Mamiya RB67 lens. Symptom was that there is a delay in the shutter release after the mirror goes up in the body. This is always caused by…
Ilex 5 Shutter: Cleaning the Slow Speeds Escapement
Servicing an Ilex 5 shutter. These are about the largest leaf shutters that you normally will find on large format cameras. This one needed a typical…
Mamiya 6 75mm Lens: Cleaning Residue from the Rear Elements
Servicing a Mamiya 6 75mm lens. As you can see in the second photo, this lens had quite a bit of residue in the rear element group. Fortunately, I was able…
Mamiya Super Omegon 90mm f/3.5 Lens: Oil on Shutter Blades
Super Omegon 90mm f/3.5 lens by Mamiya. Servicing this lens (fits the Rapid Omega 100/200) with oil on the shutter blades. If you look at the number three…
Mamiya 7 80mm Lens: Cleaning Haze from the Elements
Servicing a Mamiya 7 80mm lens. This lens had so called "haze" which turned out to be cleanable. Sometimes, with fungus, the glass/coating is damaged and…
Konica AR 57mm f/1.2 Lens: Insect Remains Inside
Konica AR 57mm f/1.2 lens with bug inside. I acquired this lens from a friend and he described it as having a "giant bug inside". Sure enough, there were…
Mamiya 645 55mm f/2.8 Lens: Oily Blades and Flange Distance
Repair on Mamiya 55mm f/2.8 lens for 645 plus some technical info. This lens came into the shop with the typical oily blades. After cleaning, the blades in…
RB67 65mm Lens: Checking for Oil on the Shutter Blades
Mamiya RB67 65mm Lens. This lens arrived for service and the first thing I do when checking leaf shutter lenses such as the RB series, is examine the…
Copal 3 Shutter: Cleaning and Adjusting Speeds by Swedging
Copal 3 shutter repair. This Copal needed typical cleaning and lubrication. Also, some of the shutter speeds were not within specs. For leaf shutters such…