c/camera-repairers

Just found out I was messing up my shutter speed tests on old SLRs

For the last year, I've been using a basic sound app to check speeds, but a repairer in Portland told me my phone's mic can't catch the fast ones right. He lent me his Mighty Mite tester and my readings on a Nikon FM2 were off by almost a full stop at 1/1000th. Has anyone else found a good, cheap tool for this that actually works?

My uncle insisted I soak a stuck helicoid in kerosene for a week, and it actually freed up the focus on a 1972 Pentax Spotmatic.

I thought he was nuts, but after a gentle scrub, the threads moved like new, so what's the weirdest solvent trick that's worked for you?

Just read a repair manual from 1978 and the shutter count spec blew my mind

I was digging through a box of old papers from a retired repair guy in Phoenix and found a Nikon F2 service guide. It says the focal plane shutter is rated for 100,000 cycles minimum before needing a full rebuild. That's way more than I ever guessed for a mechanical camera from that era. I've been telling people 50,000 for years based on what I heard from other shops. Makes me wonder how many perfectly good shutters I've replaced because I thought they were worn out. Has anyone else seen official numbers that were this different from the common shop talk?

Warning: I used to think any old light oil was fine for shutter blades

I mean, for years I'd just use a tiny bit of sewing machine oil on sticky leaf shutters in old folders. It worked, but not for long, maybe a few months before the gum came back. Then I got a bottle of Nyeohr 815F on a tip from a guy at a camera meet in Portland. The difference is crazy. The sewing machine oil would get gummy with heat and dust, but the 815F is made for tiny clock parts and stays thin. I did a side by side on two Agfa Isolettes last fall, same model, same sticky shutter. The one with the 815F is still snapping clean, the other one started dragging again after about four months. It's a bit pricier, but you use so little. Has anyone else found a specific oil that really lasts for this job?

I finally saw what a proper sensor clean can do for an old DSLR

A customer brought in a Nikon D7000 last week that had been sitting in a closet for about two years. The sensor was a mess, with big dust spots showing up in every sky shot. After a careful wet clean with Eclipse fluid and Pec-Pads, the test shots looked brand new. The difference in just an hour was huge, and the owner couldn't believe it. Has anyone else found a particular cleaning method that works best on older sensors like this?

Wasted $75 on a 'universal' lens spanner that just stripped the threads on a Contax mount

The cheap metal was too soft and it mangled the slot before I even felt real resistance. Anyone know a solid brand for a proper JIS-style tool that won't wreck vintage gear?

Honestly, I had a Canon AE-1 mirror lock up on me mid-cleaning yesterday.

Tbh, I was in my home shop and the mirror just stuck open after I'd removed the lens. I used a tiny bit of isopropyl on a cotton swab on the hinge post, which freed it, but I'm wondering if that was the right call. Has anyone else had a better fix for a sticky mirror on these old SLRs?

I finally gave up on trying to fix a corroded Pentax K1000 shutter assembly and just swapped the whole unit. Saved me a day of work.

Overheard a guy at the supply counter say he never cleans old lens helicoids, just replaces them. I used to think that was lazy, but after fighting a stuck 50mm f/1.8 for two hours last week, I'm starting to see his point.

Changed my mind about cleaning old shutter blades with a brush

I used to think a soft brush was gentle enough, but after seeing a Leica IIIf's blades go from sticky to buttery smooth just by using a drop of naphtha on a swab, the difference was instant. The solvent dissolved decades of old grease the brush just pushed around. What's your go-to method for gummy leaf shutters?

TIL my old boss was right about using lighter fluid on sticky shutter mechanisms

He ran a repair shop in Portland for 40 years and always said a drop of Ronsonol on a cotton bud was the fix for old leaf shutters. I thought it was too harsh and avoided it for a decade, but a stuck Seiko in a Mamiya 6 last week wouldn't budge with my usual cleaner. Tried his method and it freed up instantly. Anyone have a different go-to for that specific gunk?

I was cleaning shutter blades with a cotton swab for years before a guy in a Seattle shop showed me his lens tissue trick.

Spent $80 on a set of JIS screwdrivers for old Nikons and it was totally worth it

I was stripping Phillips heads left and right before I realized they're actually JIS, and the proper drivers saved a bunch of parts. Anyone else have a go-to tool that fixed a common mistake?

A guy at the parts counter told me to soak a stuck helicoid in vinegar

I was fixing an old Pentax lens from 1978 and the focus ring would not budge. He said to soak the whole helicoid in white vinegar for 24 hours to break down the old grease. I tried it on a small part first, and it worked perfectly, no damage to the metal at all. The whole thing came apart clean after that soak. I was worried it would be too harsh, but it saved me from forcing it and stripping the threads. Has anyone else used vinegar on old brass helicoids, or do you stick with a commercial solvent?

A customer swore his old Nikon's shutter was fixed by leaving it in a freezer overnight

He brought in an F3 with a sticky curtain and said he'd already tried the 'freezer trick' he read online. I was sure it was nonsense, but after checking the usual fixes, I gave it a shot in my own freezer for about 12 hours. To my shock, the shutter started firing smoothly at all speeds the next morning. I guess the cold shrank some gunk just enough. Has anyone else had a weird home remedy actually work on a camera?

A client in Austin swore his vintage Leica's shutter issue was just 'dust' and nearly wrecked it trying to blow it out with canned air before bringing it to me.

He said 'it just needs a good puff' right as I opened it to find the delicate curtain ribbon was already fraying from his attempt, so what's the most stubborn wrong idea you've had to talk a customer down from?

A client's sharp comment about my lens cleaning method made me rethink my whole process.

They said, 'You're just moving the dust around with that cloth,' and pointed to a streak under their loupe. I switched to using a two-step air blower and static brush system before any wipe now. Anyone have a better method for stubborn particles on coated elements?

Appreciation post: I was cleaning shutter blades with a toothpick for a solid year

Yeah, you read that right. I had this old Canon AE-1 on my bench last week, and the shutter was sticking again. I grabbed my usual 'tool', a wooden toothpick, and started poking around like I always do. The customer, this nice older guy, just watched me for a minute and then goes, 'You know, they make a thing for that.' He pulls out this tiny, flat brass tool from his own kit. It was a proper shutter blade spatula, the kind you're supposed to use. I'd been using a freaking toothpick for every sticky blade job since I opened my shop, and it finally took a random customer to show me the right tool. I felt so dumb lol. The brass one doesn't leave fibers behind and gets under the blade way easier. Has anyone else had a moment like that, where you realized your whole method was just totally wrong?

Old guy at a flea market told me to use lighter fluid on a sticky shutter...

I was fixing a Pentax K1000 last month, and the shutter was sticking bad. This older fellow at a swap meet saw me looking at parts and said, 'Just a drop of Ronsonol on the blades, son, works every time.' I tried it, and it worked for about a day before the gunk came back worse than ever. Had to do a full tear-down and proper clean with proper solvent, which took me three hours. Honestly, it set me back. Anyone else get some real bad advice that sounded good at the time?

I ran a test on two different lens haze cleaning methods for a month

Honestly, everyone pushes the old-school lens tissue and fluid method, but I compared it to using a modern sensor cleaning swab with a drop of Eclipse. I cleaned 20 identical hazy 50mm f/1.8 lenses, 10 with each method. After 30 days, the swab-cleaned lenses had zero residue return, while 4 of the tissue-cleaned ones showed faint haze again. The swab costs more per use, maybe $2 versus 50 cents, but the result is just cleaner and lasts. Has anyone else moved away from traditional tissues for this kind of work?

Salvaged a lens mount from a junk drawer find to fix a classic camera

A buddy dropped off his dad's old manual focus SLR with a wobbly lens mount. The original part was discontinued years ago. I had an old broken zoom lens in my junk drawer, and the mount looked close enough. After some filing and careful alignment, I got it to fit and secured it with tiny screws. Most repairers would probably tell you to hunt down an exact match or scrap the camera, but I think sometimes a functional fix is better than nothing. It's not museum quality, but the camera works and my buddy was thrilled. For gear that's not worth a full restoration, I'm all for making do with what you have. How do you handle repairs when original parts are impossible to find? Is there a line where improvising becomes unprofessional?

Organizing my repair manual shelf showed how repair has changed

Digital guides are handy, but I miss flipping through pages.

A recent repair on a Pentax K1000 changed my view on manual focus fixes

I always avoided manual focus repairs because they appeared too difficult. After working on a Pentax K1000, I found it was quite manageable. The whole thing turned into a really satisfying project. How do you all approach these types of repairs? I'm looking for any good tips or tricks.

Honestly, what's the deal with vintage shutter springs always seeming to lose their tension?

My backpacking fix for a jammed shutter in the mountains

I was on a hiking trip last week when a friend's camera shutter jammed. I had my basic toolkit with me, so I gave it a try. After some careful cleaning, the shutter started working again. They were so grateful, and I felt pretty good about solving it outdoors. It's cool how our skills can come in handy anywhere.