Minimum Focusing Distance?

Started Jun 24, 2014 | Questions thread
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Craig R K
Forum MemberPosts: 65Gear list
Minimum Focusing Distance?
Jun 24, 2014

I am not a technical guy with respect to camera & lens equipment, and have just purchased a K-3 with the 18-135mm WR & 55-300mm WR lenses & a 1.4x TC.

I am doing some "desktop experimenting" with these and a Polaroid 500D close-up lens, and find that the listed spec for minimum focusing distance on the 18-135mm is shown at .4m or ~16". I get a min. distance of ~7.5" at 18mm, and ~9.5" at 135mm with the bare lens. What am I missing?



 Craig R K's gear list:Craig R K's gear list
Panasonic Lumix DMC-FZ200 Fujifilm FinePix HS50 EXR Pentax K-3 Pentax smc DA* 300mm F4.0 ED (IF) SDM Pentax smc DA 18-135mm F3.5-5.6ED AL [IF] DC WR +6 more
Pentax smc DA 18-135mm F3.5-5.6ED AL [IF] DC WR
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