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08-06-2015, 06:06 PM   #1
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any chance of causing a problem to the lens or camera due to the weight ? DA 300mm

Hi,
I just received my 300mm DA* and my firs attempt at BIF was not too good but I will try again tomorrow, But I have a question regarding the lens weight: if the lens is on the camera, can I just let it hang from the neck strap ? Is there any chance of causing a problem to the lens or camera due to the weight ? ( I know my neck is sure gonna feel it ! ! ! ). I am asking because I usually carry my tripod with one hand and just let the camera hang from my neck, but, with a 55-300mm DAL, it is not much of a problem. But with this grenade launcher hanging, it seems to swing around much more !

Thanks

08-06-2015, 08:48 PM   #2
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Whether it will cause a problem is unknown, but personally, allowing that much torque at the lensmount would seem unwise, in my view.
08-06-2015, 09:16 PM   #3
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I think that the mount will be strained, but will handle it. Also, a "big" bump or a loosening strap may be too dangerous for that setup. I'll actually be more concerned about your neck
08-06-2015, 10:00 PM   #4
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I use peak design straps and have a connector on the tripod mount on the 300. When I'm carrying it I put my strap with one end on the camera and the other on the lens. I figure it can't hurt.

08-06-2015, 10:33 PM   #5
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QuoteOriginally posted by devouges Quote
.
Both will be fine. It is only a few pounds distributed over a large area.
08-06-2015, 10:37 PM   #6
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My guess is that it is probably OK, but I wouldn't try it with the 150-450. I would be curious what Pentax says. In days of yore Nikon said that photographers shouldn't hang the relatively short but heavy 300mm f/2 on any camera but the top of the line "F" cameras ( I know of a photographer who had one on his N8008 and it ripped the front off the camera). You would think that the manufacturer would know what the design specs/tolerances are and supply the info/recommendations.
08-06-2015, 11:02 PM   #7
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They've put the tripod collar for this issue so you will mount that on tripod not the camera!
I guess that should be same for carrying as well! so it would be better if you mount the strap or part of it to the tripod collar.
08-07-2015, 07:53 AM   #8
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IMO any lens that is heavy enough to have a tripod foot gets its own strap. I hang it from my neck when I'm mostly stationary, when walking a short distance I wrap the straps around my wrist and hold the tripod foot in my hand, and when walking a longer distance I put it all in my backpack.

08-07-2015, 12:37 PM   #9
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Thanks for all the info everyone. I did some extra reading and found several alternatives. One that stands out a bit is the "cradle strap"... I will have to try it out in a photo store....

looks like this :
http://tesco.scene7.com/is/image/tesco/291-2940_PI_1000013MN?wid=493&ht=538

Seems easy to put on tripod and remove at will......
08-07-2015, 01:02 PM   #10
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I don't generally walk around for any length of time with my Sigma 150-500 around my neck although I worry more about my neck than the camera. I have carried the very heavy K300/4 around. It doesn't come with a tripod collar although it is probably around the same weight as the DA*300. I recently bought a universal Manfrotto Long Lens Support which I now use but for a few years, I used it on both my K10D and K5 with just the camera on the tripod without a problem. Mounted on one of the all plastic entry level bodies might not be wise.
08-07-2015, 01:08 PM   #11
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I carry routinely my K300/4 plus the AF1.7x converter or my sigma 70-200/2.8 and 2x converter all the time from the camera strap only, and have done so ever since I started using these lenses, 1991 for the K300 with AF adaptor and 2003 for the sigma 70-200/2.8 with TC. Never had an issue with any body or lens mount and I have had the cameras drop only to be rescued by the strap. The 6 little screws are actually amazingly strong.

Some budget slurs without a tough frame (My Ricoh XR2s for example) suffer distortion and lose electrical contact when supporting such a lens from the tripod socket. This was a widely reported issue, and test by some photo magazines in the early 1980s
08-07-2015, 01:59 PM   #12
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QuoteOriginally posted by SpecialK Quote
Both will be fine. It is only a few pounds distributed over a large area.
I agree. The DA*300 is really not that big.
08-07-2015, 03:30 PM   #13
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I also notice that pointing the camera towards the ground does not cause any "angle pressure"........ seems ok also.

I also got a response from Pentax (doh... Ricoh....) on this :

***** We're not aware of and haven't been advised that there is a problem to either the lens mount or body mount by repeatedly having the camera body support the weight of the lens.
08-07-2015, 08:15 PM   #14
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QuoteOriginally posted by devouges Quote
I also notice that pointing the camera towards the ground does not cause any "angle pressure"........ seems ok also.

I also got a response from Pentax (doh... Ricoh....) on this :

***** We're not aware of and haven't been advised that there is a problem to either the lens mount or body mount by repeatedly having the camera body support the weight of the lens.
That came from the USA office, right? I can recognize the noncommittal writing style
08-07-2015, 09:15 PM   #15
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I have carried a Sigma 70-200/2.8 (essentially the same size and weight as the DA*300) on a BlackRapid harness all day many times. No problem for camera or lens.
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