An ear wax remover bulb works great. It produces a clean and reasonably powerful blast of air. Keep it in the box it came in, and it will always be sanitary.
Paul > On Jan 9, 2015, at 4:24 PM, Mark C <[email protected]> wrote: > > Yes - I looked at small compressors once for film, but even the smallest was > too big. I've had very good luck with the cans I get from Office Depot, but > since it is a house brand product there's no guarantee of consistency. At > least the sensor cleaned up with the sensor swabs. > > Mark > > On 1/9/2015 8:56 AM, Alan C wrote: >> Most irritating. I would imagine that most aerosols are prone to delivering >> some gunge especially when nearly depleted. What would work well is a mini >> lab. bench compressor with a decent filter on the outlet but it would hardly >> be cost effective. >> >> Alan C >> >> >> -----Original Message----- From: Mark C >> Sent: Friday, January 09, 2015 7:34 AM >> To: Pentax-Discuss Mail List >> Subject: Canned Air Debacle >> >> Last summer I managed to get a lot of dust and crude on the view screen >> of my K-3, so I wound up giving it a good cleaning with canned air. A >> lot of the stuff went onto the sensor, so I blasted it as well without >> thinking about it. Lo and behold, everything came out nice and clean. I >> had always been skeptical about using canned air on a sensor, but after >> this experience I figured that it was OK after all. >> >> SO, today before going out to take snow flake photos I gave the K-01 >> sensor a good blast with a canned air. Looking at my first results - the >> photos were incredibly spotty and speckled. At first I thought the glass >> I shoot the crystals on was dirty, but then I noticed a few distinctive >> spots and speckles that were on each and every frame. So I tested the >> sensor for dust by putting on a 90mm macro lens, stopping down to f32, >> and placing the camera face down on a light table. >> >> Here's one of the snowflake shots that alerted me to the issue and the >> sensor test on the light table: >> >> http://www.markcassino.com/b2evolution/index.php/imgp8714-jpg-1?blog=9 >> >> Click the images for a larger file. >> >> I always figured that the problem with canned air would be that it would >> burp up propellant onto the sensor - but in this case the issue is >> apparently droplets of oil or something like that. Also - I have used >> this can to "clean" several rolls of film before scanning. Maybe I >> should go back and look for the spots because I never noticed them. My >> guess is that the film grain hides any spots that appear. >> >> I had a few old sensor swabs and a bottle of Eclipse E2 fluid here and >> was able able to get the sensor cleaned up just fine. It has been years >> since I did a wet cleaning of a camera sensor. The can of air I used >> today was 3M, in the past I had used Office Depot's store brand (which >> is what worked fine on the K-3 sensor). Since the canned air has worked >> fine int he past, I guess it is simply a difference in quality between >> brands or maybe I just held the can at the wrong angle today. At any >> rate - I am not using canned air on sensors any more! >> >> >> --- >> This email is free from viruses and malware because avast! Antivirus >> protection is active. >> http://www.avast.com >> >> > > > --- > This email is free from viruses and malware because avast! Antivirus > protection is active. > http://www.avast.com > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

