c/camera-repairers

Why does nobody talk about the static risk with sensor cleaning?

I was cleaning a Sony A7 III sensor in my home shop last Tuesday, and a tiny static pop from my gloves pulled dust right back onto the wet swab. I had to redo the whole clean cycle three times before it was spotless. Anyone have a better anti-static method than the basic cotton gloves?

Saw a guy at the flea market trying to fix a Leica with a pair of pliers...

I was at the big swap meet in Pasadena last weekend and stopped at a booth full of old cameras. The seller had a Leica M3 on the table, and he was using a regular pair of pliers to try and turn the lens mount. He said the lens was 'just stuck' and he 'needed to get it off to sell it separate.' I told him that was a sure way to wreck the threads, but he just shrugged. It got me thinking... is it ever okay to use non-specialized tools on high-end gear in a pinch, or should you always walk away if you don't have the right kit? What would you have done?

Update: I thought the old trick with a hairdryer on stuck lens barrels was junk

Had a Minolta X-700 with a 50mm f/1.7 that wouldn't budge. A guy at the shop in Tacoma said to heat the barrel with a hairdryer for 30 seconds, then try. Figured it would wreck the lube. Tried it, and it twisted right off with gentle pressure. Anyone else have a go-to method for this that works better?

Bought a cheap lens spanner online and it cost me a $300 repair job

So I was working on a Canon 24-70mm f/2.8L, needed to get into the zoom barrel. My good spanner was at the shop, so I grabbed a $15 one I got off some random site. The pins were soft metal and just twisted when I put any real pressure on them. They slipped, gouged two deep scratches into the lens barrel threading. Couldn't get it apart cleanly after that, had to send it to a specialist. The fix for the messed-up threads and realignment was just over $300. Total waste, and it set the repair back a week. Learned my lesson about cheap tools on precision stuff. Anyone got a brand for spanners that actually hold up?

Update: I used a drop of olive oil on a stiff Hasselblad film advance lever...

The customer said it felt 'like butter' after, and I'm still waiting for it to gum up again after 3 months. Anyone else have a weird 'shouldn't work' fix that just won't quit?

I thought a trick for stuck lens rings was just a myth

For years, I heard other repair folks talk about using a rubber band and a jar opener to free a stuck filter or front ring. I always thought it sounded silly, like a kitchen hack that wouldn't work on a real camera. Then, a Canon FD 50mm f/1.4 came in with a filter so tight the owner had bent a wrench trying. Out of pure frustration, I wrapped a thick rubber band around the ring twice and tried a basic rubber jar opener. It took a solid minute of steady pressure, but it turned. No scratches, no heat, no special tools. I was shocked it actually worked on something that seized up. It's not for every job, but it's now my first try before I reach for anything metal. Has anyone else found a simple household item that saved a tricky repair?

I had to choose between a $200 part or a full rebuild on a Pentax K1000

Went with the rebuild and it took me three tries to get the shutter timing right, but now it's smoother than new. Anyone else ever go the long way on a simple fix?

Spent three hours chasing a tiny spring in a Nikon F3 mirror box

The mirror lockup lever on this F3 was totally stuck, and I thought it was just gummed up old grease. After cleaning everything, I saw the tiny spring that pushes the lever back down had jumped off its post and wedged itself behind a gear. Getting it back in place with tweezers while holding the mirror up was a nightmare. Anyone have a trick for keeping those little springs in place during reassembly?

Just realized my old trick for cleaning shutter blades is a bad idea now

I was working on a Minolta X-700 last week, and the shutter was sticking. My go-to for years was a tiny drop of lighter fluid on a swab to clean the old grease off the blades. This time, it left a faint haze on the metal that wouldn't come off. I think the newer, thinner blade coatings just don't hold up to that solvent anymore. I had to source a whole new set of blades, which took two days. Has anyone else run into this with newer old stock parts?

I spent two hours trying to fix a shutter that wasn't broken

A guy brought in a classic Nikon F3 saying the shutter was stuck, and I immediately dove into the mirror box with my tools. After a full teardown, I found the problem: the film advance lever was only halfway cocked because he'd loaded it wrong. What's the silliest 'repair' you've done that was just user error?

Just realized my mentor was right about using a $15 loupe for shutter curtain inspection

He said, 'Your eyes will lie before that glass does,' and after missing a tiny tear on a Nikon FE2 that cost me a repair redo, I finally get it, so what's one piece of simple gear you all swear by?

Remembering a job in Portland where a shutter spring went flying

It hit the ceiling and landed in a coffee cup, so I had to fish it out with a magnet on a string. Anyone else have a weird place a part has ended up?

My uncle told me to always use a 1.5mm JIS driver on old Japanese cameras, and I finally get why

Can we talk about the old parts catalogs we used to have to flip through?

Last week, a guy brought in a Pentax K1000 with a sticky shutter, and I realized I hadn't physically opened my 1992 printed service manual for that model since about 3 years ago when I finally scanned the whole thing into my computer (which, honestly, is way easier to search).

Tried cleaning a sticky shutter with a drop of lighter fluid... it worked but then the curtains turned brittle

Had an old Nikon FM with a shutter that was dragging around 1/500th. I saw an old forum tip about using a tiny bit of Ronsonol on the pivot points. Used a single drop on a needle, applied it, and the shutter snapped back to perfect timing for about a month. Then, the curtain material started to crack along the edges... it basically dried out the old rubberized coating. Learned that even if a solvent fixes the gum now, it can wreck the material later. Anyone have a better, safer fix for old cloth shutter drag that actually lasts?

A client told me my cleaning fluid was leaving a haze on his Leica M6 viewfinder glass

I was cleaning shutter blades with the wrong stuff for months

I mean, I had this old Nikon FM2 come in with a sticky shutter, and I kept using a drop of lighter fluid on a q tip like I always did. It worked okay, but the shutter would get slow again after a few weeks. Then last month, I was watching this repair video from a guy in Germany, and he said using anything with naphtha on titanium foil shutters is a bad idea long term. He said it leaves a tiny film that attracts dust and makes the problem come back. I felt so dumb. I switched to pure isopropyl and a special lint free swab, and the last three cameras I did that on have been perfect. Has anyone else run into this with specific shutter types? I'm worried I messed up some past jobs.

Warning: a $15 spring from a 1980s Canon AE-1 just launched into orbit across my workbench

I was trying to replace the mirror bumper foam last Tuesday and that tiny, angry piece of metal flew out, hit my lamp, and is now officially lost in the carpet for good.

I was cleaning shutter blades with a cotton swab for years until a Nikon F3 mirror box showed me the light.

Watching a friend try to clean their lens sensor with canned air

They were holding the can upright, which can spray propellant onto the sensor. I had to explain you need to tilt it and use short bursts. Anyone have a better method for a stubborn speck on a mirrorless sensor?

Warning: A customer brought in a camera they tried to fix with super glue

This guy walked into my shop in Denver last Tuesday with a vintage Nikon F3, saying he 'just needed the film advance lever reattached' and it was a solid block of dried glue. He told me he saw a video online and thought it was a 'permanent fix'. How do you even start that conversation without making someone feel like a fool?

Spent $400 on a proper shutter tester and it saved my sanity on a Nikon F3

Was chasing a weird timing issue for a week, but the tester showed a sticky second curtain magnet right away. Anyone have a good source for those little foam damper pads that don't turn to goo?

Update: I bought a $400 ultrasonic cleaner for lens elements and it's a game changer

It got a decade of haze off a Nikkor 50mm f/1.4 in one cycle, saving me hours of manual work. Anyone have a good source for the smaller, jewelry-sized baskets that fit tiny aperture blades?

Just realized I've been handling stuck helicoids two different ways and I'm not sure which is better

Last week in my home shop, a Canon FD 50mm 1.4 came in with a completely seized focus ring. I tried the classic method of soaking the threads in lighter fluid overnight, which usually works. This time, after 12 hours, it only budged a millimeter. So I switched to a 50/50 mix of acetone and automatic transmission fluid, applying it with a needle every hour for three hours. That finally did the trick, but I'm worried the acetone might be too harsh on old plastics inside. Has anyone else compared these methods on vintage lenses? Which do you think is safer long-term?

Just hit 500 shutter replacements on a single model and it's changed my whole view

That's 500 Canon AE-1 shutter curtains I've swapped out over the last three years. I never thought I'd see that number, but it made me realize how much muscle memory you build. I can now do the whole job in under 25 minutes without even thinking. It's weird how a simple count can show you've gone from being careful to being fast. Anyone else get a shock from their own repair stats on a common fix?