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Message: <blockquote data-quote="John Dracon" data-source="post: 3278939" data-attributes="member: 14799">Once you get a chance to play with the Zeiss, you will discover that its mass and relative compactness will allow you to take a quick peek while sitting down when off a tripod.  The Nikon tripod mount operates on the same mechanical principle as the Zeiss mount.   The centre shaft which measures 13 mm in diameter is covered by neoprene I believe. it will allow your Zeiss to rotate to accommodate IPD needs.  The finishing at the inside of the Nikon cap is very smooth as is the base - both rounded to match the centre shaft.  The Zeiss is finished the same.  The Nikon when compared to the Zeisss has about 3 times the bearing surface to accommodate a plate. When you place your tripod adapter on the centre shaft, is will not be a tight fit. That comes when the cap head is tightened down.  The bearing surface at top and bottom is sufficient to make everything rigid.  To preclude wear on the neoprene covering of the centre shaft, I cover that with the super thin electrical tape so no galling can take place.My 20 year experience with the 15x60 BGAT tells me for carrying it around, no neck strap is comfortable.  If I have some distance to cover, I carry it in a small back pack. You will have to share with us your adventures with your Zeiss.</blockquote>