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Suitable tripod for Pentax 6x7
Stefan Patric wrote:
On Sat, 21 Apr 2007 17:24:15 -0400, Alan Browne wrote: Christopher Tidy wrote: Thanks very much for the thoughts. I did a bit more research and discovered that the Manfrotto 168 head is the older version of the 488RC0, which has a load capacity of 8 kg, so it should be okay with a Pentax 6x7. I even found a post at the Photo.net forum by someone commenting that the 168 head was okay for use with a Mamiya RZ67. Even if I divide 8 kg by 2, it should comfortably cope with the Pentax. The 055 is about "right" I would say. The 190 (you mentioned earlier) is a bit on the light side. I have the 055MF3 (carbon fibre legs) as well as a 190. I use a geared head, but a medium ball should do as well. And another recommendation: To reduce camera shake during a tripod mounted exposure and make for sharper photos, lockup the mirror, if you can, before tripping the shutter. The torque induced by the mirror flipping up can really shake a medium format SLR camera a lot. However, it's only really a problem with slow shutters speeds like less the 1/30 or so. It also depends on how long a lens you have mounted: longer lenses amplify the movement. I would increase the mirror torque/slap range to as fast as 1/125 up to about 2 seconds. As you imply, different lenses mean different resonance characteristics due to the slap. Longer lenses would be the worst for both amplitude and cycle length, I would imagine. Early edition Pentax 6x7's did not have MLU but it was introduced at one point and Pentax would even update non MU cameras. (Per Karen Nakamura's site). Cheers, Alan -- -- r.p.e.35mm user resource: http://www.aliasimages.com/rpe35mmur.htm -- r.p.d.slr-systems: http://www.aliasimages.com/rpdslrsysur.htm -- [SI] gallery & rulz: http://www.pbase.com/shootin -- e-meil: Remove FreeLunch. |
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