While most of my lenses have metal mounts, a few have plastic. No signs of wear. I also looked at some of my SLR film bodies that are decades old. No signs of scratches on the lens mount. As far as keeping a lens on the body... If...
you can repair it yourself without getting your insurance company involved. Here are some tips for removing various scuffs and scratches yourself, and why you should have good car insurance
Well - after a few more hours of bathing and repeated washing with soap and a mixture of soap and isopropanol, I have the impression that the only effect is the increasing number of micro-scratches on the surface of the lens. I leave it in 30% hydrogen peroxide until morning. I will w...
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and scratches, grooves or pits in the wafer surface itself. Both defect types are known to have a negative impact on device yield. As is it often difficult to remove minute particles from the surfaces of wafers, new methods for reducing particulate contamination are always being sought. Not on...
Fine scratches and in- dentations can also bejesteweinth. Aprnesasuloregpowus= t3r5aMcePsawanedredroybicseermvaesds flfoowr araltlethm. oL s=e s2p08eckigm·h−e1nussfirnogmthe which paint coatings wdisetraencreebmetowveeendthwehspernintkhleer mnozazxliemouutlmet, pthreessusrufarcee otr...