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aleksanderpolo
Joined: 24 Jan 2010 Posts: 684
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Posted: Fri Apr 01, 2011 7:59 pm Post subject: Ball bearing size for Pen F aperture |
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aleksanderpolo wrote:
Anyone know what is the size of the ball bearing for Pen F len's aperture click? Is it 1mm, 1.5mm, 2mm, or something else? I am about to buy 250 of these (the seller don't sell in other quantity), so I am trying to make sure the 1 out of 250 I need is the right size, thanks.
And what do I do with the remaining 249? |
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Scheimpflug
Joined: 06 Feb 2010 Posts: 1888 Location: New Zealand / USA
Expire: 2011-11-18
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Posted: Sat Apr 02, 2011 3:29 am Post subject: Re: Ball bearing size for Pen F aperture |
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Scheimpflug wrote:
I can't say that I have ever measured one, but last time I had a Pen lens apart, I think I remember the ball bearing being pretty small.
Mine was stuck in a blob of grease, so it didn't fall out when I had the lens apart. _________________ Sigma DP1, Nikon D40 (hers ), Polaroid x530, Pentax P30t, Pentax P50, (P30t/P50 K-A to Nikon F body mount conversion)
Nikon: 18-55/3.5-5.6 "G ED II DX" (F) Soligor: 28/2.8 (FL->F converted), 135/3.5 (F), 3x TC (F, modified) Kalimar: 28-85/3.5 (F)
Vivitar: 70-210/2.8-4.0 Version 3 (F), Tele 500/6.3 Preset (F), 19/3.8 (F) Minolta: 300/5.6 (SR/MC/MD pending F conversion)
Tamron: 28/2.8 (Adaptall) Panagor: 28/2.5 (FD) Aetna: 300/5.6 (F) Osawa: MC 28/2.8 (F)
Vintage Lenses: Dallmeyer: 1940s A.M. 14in 356mm f4 (ULF->M42) 1930s Adon Telephoto Taylor, Taylor & Hobson: 1880s Rapid Rectilinear 8 1/2 x 6 1/2 11.31in f/8 (LF->?)
Parts Lenses: Nikon 35-135/3.5-4.5 (F), Sigma 70-210/4.5 (F), Nikon 50/1.8 Series E (F) |
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aleksanderpolo
Joined: 24 Jan 2010 Posts: 684
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Posted: Sat Apr 02, 2011 4:57 am Post subject: |
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aleksanderpolo wrote:
I was hoping that I can get a dozen of each size from the seller, so that one will fit, but the seller cannot do that...
Someone had ranted before: why do they have to use ball bearing for the click?? These balls always get lost and it's a hassle to replace them. |
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56 DIN
Joined: 24 Apr 2010 Posts: 1656 Location: Germany Erbach /ODW
Expire: 2021-11-18
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Posted: Sat Apr 02, 2011 10:55 am Post subject: |
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56 DIN wrote:
you can paint the remaining 249 as easter eggs _________________ Thomas
NEX & manual lenses
Nikon & manual lenses |
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aleksanderpolo
Joined: 24 Jan 2010 Posts: 684
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Posted: Sat Apr 02, 2011 7:53 pm Post subject: |
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aleksanderpolo wrote:
der einrahmer wrote: |
you can paint the remaining 249 as easter eggs |
it will be impossible to find them, except with a magnet |
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martyn_bannister
Joined: 23 May 2010 Posts: 1151
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Posted: Sun Apr 03, 2011 6:18 am Post subject: |
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martyn_bannister wrote:
This seller does them in smaller quantities. Maybe they will be more accomodating? I think their prices are quite high though. |
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aleksanderpolo
Joined: 24 Jan 2010 Posts: 684
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Posted: Sun Apr 03, 2011 3:30 pm Post subject: |
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aleksanderpolo wrote:
martyn_bannister wrote: |
This seller does them in smaller quantities. Maybe they will be more accomodating? I think their prices are quite high though. |
This is quite steep, the 250 ones is cheaper. |
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martyn_bannister
Joined: 23 May 2010 Posts: 1151
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Posted: Sun Apr 03, 2011 7:43 pm Post subject: |
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martyn_bannister wrote:
aleksanderpolo wrote: |
martyn_bannister wrote: |
This seller does them in smaller quantities. Maybe they will be more accomodating? I think their prices are quite high though. |
This is quite steep, the 250 ones is cheaper. |
I suspected so, but 249 spares against 9 spares............. Is it worth the extra cost |
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