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Nelson
Joined: 06 Jan 2008
Posts: 618
Location: close to Paris, France
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 Posted: Wed Oct 15, 2014 7:17 pm Post subject: Tamron SP 60B - someting missing |
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Nelson wrote:
Hello guys
I just get a Tamron 60B 300mm 2.8 
But the screw to block the tripod mount is missing 
not only the black screw on the side of the lens, but also the bracket under the screw
Do you have any idea to solve that ?
_________________
DSLR : EOS 350D, 300D, 7D, 5D
Pentacon 50 f1.8, 135 f2.8, 200 f4;
TAIR 3S
Helios 44/2
Meyer Optik Orestegor 200mm f4 Orestegor 300mm f4
Tamron 24mm f2.5 01B, 300mm f5.6 670Au, 75 250, 300mm f5.6 SP 54B, 500mm f8 SP 55B, SP 70 210 3.5, SP 60 300
my MF lenses
EF 50 1.8 I, EF 100macro f2.8, EF 70-200 F4 L is, EFS 17-55 f2.8 is, Sigma 10-20 EX, 18-50 2.8 EX, 300 f4 hsm, 400 5.6 hsm |
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Nelson
Joined: 06 Jan 2008
Posts: 618
Location: close to Paris, France
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| Posted: Wed Oct 15, 2014 7:48 pm Post subject: |
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Nelson wrote:
here is the issue
if someone can show me the parts, i will ask a frien to 3D print new ones
_________________
DSLR : EOS 350D, 300D, 7D, 5D
Pentacon 50 f1.8, 135 f2.8, 200 f4;
TAIR 3S
Helios 44/2
Meyer Optik Orestegor 200mm f4 Orestegor 300mm f4
Tamron 24mm f2.5 01B, 300mm f5.6 670Au, 75 250, 300mm f5.6 SP 54B, 500mm f8 SP 55B, SP 70 210 3.5, SP 60 300
my MF lenses
EF 50 1.8 I, EF 100macro f2.8, EF 70-200 F4 L is, EFS 17-55 f2.8 is, Sigma 10-20 EX, 18-50 2.8 EX, 300 f4 hsm, 400 5.6 hsm |
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marcusBMG
Joined: 07 Dec 2012
Posts: 1318
Location: Conwy N Wales
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| Posted: Sat Oct 18, 2014 4:03 pm Post subject: |
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marcusBMG wrote:
The TM plate is approx 40mm by 38mm held on by 4 bolts. i didn't have the right size alum key to check the size and thread. It should be eminently possible to knock up a replacement.
The side screw on mine doesn't unscrew completely - internal circlip or something?? - so its odd that its not there. But normally these work by pressing on an internal sleeve to lock the TM in place. I would guess that all you need to do is find a bolt of the same thread and cut to size, add some sort of a knob to it.
_________________
pentax ME super (retired)
Pentax K3-ii; pentax K-S2; Samsung NX 20; Lumix G1 + adapters;
Adaptall collection (proliferating!) inc 200-500mm 31A, 300mm f2.8, 400mm f4.
Primes: takumar 55mm; smc 28mm, 50mm; kino/komine 28mm f2's, helios 58mm, Tamron Nestar 400mm, novoflex 400mm, Vivitar 135mm close focus, 105mm macro; Jupiter 11A; CZJ 135mm.
A classic zoom or two: VS1 (komine), Kiron Zoomlock... |
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Nelson
Joined: 06 Jan 2008
Posts: 618
Location: close to Paris, France
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| Posted: Sun Oct 19, 2014 8:56 am Post subject: |
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Nelson wrote:
sorry my explanations were not clear
here is a picture of the lacking parts
_________________
DSLR : EOS 350D, 300D, 7D, 5D
Pentacon 50 f1.8, 135 f2.8, 200 f4;
TAIR 3S
Helios 44/2
Meyer Optik Orestegor 200mm f4 Orestegor 300mm f4
Tamron 24mm f2.5 01B, 300mm f5.6 670Au, 75 250, 300mm f5.6 SP 54B, 500mm f8 SP 55B, SP 70 210 3.5, SP 60 300
my MF lenses
EF 50 1.8 I, EF 100macro f2.8, EF 70-200 F4 L is, EFS 17-55 f2.8 is, Sigma 10-20 EX, 18-50 2.8 EX, 300 f4 hsm, 400 5.6 hsm |
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marcusBMG
Joined: 07 Dec 2012
Posts: 1318
Location: Conwy N Wales
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| Posted: Sun Oct 19, 2014 4:52 pm Post subject: |
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marcusBMG wrote:
Ah OK.
My impression is that the cap is threaded and pushes a plunger against the interior plate. My guess is that yours has been knocked off. My suggestion is to improvise a replacement. Are the small holes threaded? If so then they can be used to attach a small plate with a threaded hole and bolt that will do the same thing - press on the interior plate and lock the TM.
The only place I know of that might do a commercial repair is The Lens Doctor.
_________________
pentax ME super (retired)
Pentax K3-ii; pentax K-S2; Samsung NX 20; Lumix G1 + adapters;
Adaptall collection (proliferating!) inc 200-500mm 31A, 300mm f2.8, 400mm f4.
Primes: takumar 55mm; smc 28mm, 50mm; kino/komine 28mm f2's, helios 58mm, Tamron Nestar 400mm, novoflex 400mm, Vivitar 135mm close focus, 105mm macro; Jupiter 11A; CZJ 135mm.
A classic zoom or two: VS1 (komine), Kiron Zoomlock... |
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