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10-05-2010, 08:41 PM   #1
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Tripod Collar for Tamron 300mm 5.6 (54B) - Any ideas?

Hey all,

I just became the proud new owner of a Tamron-SP Adaptall 2 300mm 5.6 (54B). So far I'm pretty happy with it, but I find it's a little much to cantilever off of my lens mount on a tripod (especially with a TC behind it). I was wondering if anyone knows of an inexpensive tripod collar that would fit it. I think the barrel O.D. is about 65mm.

Cheers,
Al

10-05-2010, 09:06 PM - 1 Like   #2
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QuoteOriginally posted by MrEspie Quote
Hey all,

I just became the proud new owner of a Tamron-SP Adaptall 2 300mm 5.6 (54B). So far I'm pretty happy with it, but I find it's a little much to cantilever off of my lens mount on a tripod (especially with a TC behind it). I was wondering if anyone knows of an inexpensive tripod collar that would fit it. I think the barrel O.D. is about 65mm.

Cheers,
Al
Congratulation on your acquisition, a very sharp lens with respectable macro capability from a comfortable distance from subject. I've just measured mine and it is 64.4mm. eBay has third party tripod collars for Canon lenses: 100% Fit Canon Macro Lens support ?Tripod Mount Ring LH - eBay (item 200428074401 end time Oct-11-10 01:55:18 PDT) Price is reasonable enough, barrel diameter seem close enough as well. If you decide to order one please let me know how it fits.

Thanks,
10-06-2010, 02:40 AM - 1 Like   #3
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I've had success with the Tamron 23a (60-300mm) that is similar dimensions. I followed the approach given here.
11-07-2010, 10:48 PM   #4
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Sorry to necromance! I finally got my tripod ring from Hong Kong. I purchased the one suggested by excanonfd which is just barely too large to grip the 300mm f5.6 securely (it's only about 0.010" over!). Interestingly enough, however, it is a perfect fit around the rubber grip on the flat-field converter (and balances with my *istD perfectly):

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11-08-2010, 08:54 PM   #5
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Glad to hear it all worked out for you. That's an interesting combination, 600mm f11 with the TC - it must be pretty tough to focus in all but very bright conditions.

Thanks,
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