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Forum: Pentax Camera and Field Accessories
05-05-2015, 02:46 PM
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B&H lists one made by "Sensei". Op/Tech USA make them for Canon and Nikon, so maybe they make them for Pentax too. The Op/Tech caps are designed to keep moisture and dust out with a thermoplastic rubber seal, hence their greater price.
They used to come standard with Pentax camera bodies, at least until the mid-1980s. I'm not sure when they quit. Some people claim that they cause undue wear on the mount's electrical contacts. I always assumed Pentax quit including them because they were more expensive to make than the push-on caps.
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