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dmauliza
Joined: 02 Jan 2012
Posts: 3
Location: indonesia
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 Posted: Mon Jan 02, 2012 3:40 am Post subject: yashica lens DSB 28/2.8 |
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dmauliza wrote:
anybody can help me on dismantling/disassembling yashica lens DSB 28/2.8? |
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Excalibur
Joined: 19 Jul 2009
Posts: 5017
Location: UK
Expire: 2014-04-21
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| Posted: Mon Jan 02, 2012 9:41 am Post subject: |
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Excalibur wrote:
Well I got down to the middle glass element and swapped it around to see if the performance improved just by unscrewing the front dust cover (i.e. part containing lens info)....haven't tested it yet but can't be worse than before I swapped it 
_________________
Canon A1, AV1, T70 & T90, EOS 300 and EOS300v, Chinon CE and CP-7M. Contax 139, Fuji STX-2, Konica Autoreflex TC, FS-1, FT-1, Minolta X-700, X-300, XD-11, SRT101b, Nikon EM, FM, F4, F90X, Olympus OM2, Pentax S3, Spotmatic, Pentax ME super, Praktica TL 5B, & BC1, , Ricoh KR10super, Yashica T5D, Bronica Etrs, Mamiya RB67 pro AND drum roll:- a Sony Nex 3
.........past gear Tele Rolleiflex and Rollei SL66.
Many lenses from good to excellent. |
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dmauliza
Joined: 02 Jan 2012
Posts: 3
Location: indonesia
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| Posted: Mon Jan 02, 2012 2:23 pm Post subject: |
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dmauliza wrote:
i've managed to open the rear part but still can't open the front part. how did you open the front part anyway? |
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Excalibur
Joined: 19 Jul 2009
Posts: 5017
Location: UK
Expire: 2014-04-21
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| Posted: Mon Jan 02, 2012 2:52 pm Post subject: |
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Excalibur wrote:
| dmauliza wrote: |
| i've managed to open the rear part but still can't open the front part. how did you open the front part anyway? |
You can use a wide rubber drain plug...but I didn't care about the lens and drilled two indentations, then used a pointed dividers tool.
Note: On rethinking I might have opened the front part then realised it wasn't much use and open the back like you, I didn't bother taking pictures so am relying on my bad memory.
_________________
Canon A1, AV1, T70 & T90, EOS 300 and EOS300v, Chinon CE and CP-7M. Contax 139, Fuji STX-2, Konica Autoreflex TC, FS-1, FT-1, Minolta X-700, X-300, XD-11, SRT101b, Nikon EM, FM, F4, F90X, Olympus OM2, Pentax S3, Spotmatic, Pentax ME super, Praktica TL 5B, & BC1, , Ricoh KR10super, Yashica T5D, Bronica Etrs, Mamiya RB67 pro AND drum roll:- a Sony Nex 3
.........past gear Tele Rolleiflex and Rollei SL66.
Many lenses from good to excellent. |
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Excalibur
Joined: 19 Jul 2009
Posts: 5017
Location: UK
Expire: 2014-04-21
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| Posted: Tue Jan 10, 2012 4:27 pm Post subject: |
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Excalibur wrote:
BTW....... be careful you make a note which way around the middle element goes as an idiot I bought the lens from must have switched it around (of course it could have been an idiot at the factory  )
anyway with the element of my lens put in the correct way the results are good for this test shot with the DSB 28mm f2.8 and worth £5 for what I paid for it.
_________________
Canon A1, AV1, T70 & T90, EOS 300 and EOS300v, Chinon CE and CP-7M. Contax 139, Fuji STX-2, Konica Autoreflex TC, FS-1, FT-1, Minolta X-700, X-300, XD-11, SRT101b, Nikon EM, FM, F4, F90X, Olympus OM2, Pentax S3, Spotmatic, Pentax ME super, Praktica TL 5B, & BC1, , Ricoh KR10super, Yashica T5D, Bronica Etrs, Mamiya RB67 pro AND drum roll:- a Sony Nex 3
.........past gear Tele Rolleiflex and Rollei SL66.
Many lenses from good to excellent. |
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dmauliza
Joined: 02 Jan 2012
Posts: 3
Location: indonesia
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| Posted: Sat Jan 14, 2012 3:06 am Post subject: |
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dmauliza wrote:
finally i made it through 
wasn't really sure before then i decided to give an excessive force and it opened. probably because it hadn't been opened for years.
cleaning up everything now before taking a test shot |
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