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martinsmith99
Joined: 31 Aug 2008
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Location: S Glos, UK
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 Posted: Mon Sep 15, 2008 8:24 pm Post subject: 625 Battery |
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martinsmith99 wrote:
No doubt this has been asked many times......
I have today aquired a Praktica Super TL. This is my 1st film SLR and was kindly donated to me. All seems to work fine but it has no battery, so no meter.
I understand that the original batteries are no longer available, but are there any reasonably priced alternatives. I don't want the zinc/air battery option as the camera will only get occasional use. What about adapters or some kind of mod?
Thanks
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maddog10
Joined: 08 Apr 2008
Posts: 1072
Location: Maryland, USA
Expire: 2015-02-12
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| Posted: Mon Sep 15, 2008 9:57 pm Post subject: |
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maddog10 wrote:
You can get an adapter from www.criscam.com, they are not exactly cheap.
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Mon Sep 15, 2008 10:49 pm Post subject: |
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Attila wrote:
I calculated already from a price of adapter I can buy air-zink batteries for 5 years at least.
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Prometheus
Joined: 27 Feb 2008
Posts: 878
Location: Garphyttan, Sweden
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| Posted: Tue Sep 16, 2008 7:14 am Post subject: |
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Prometheus wrote:
I buy my PX625's from a swedish officestore for about 2€, they work well in the Yashicas anyway and seems to work good in the Gossen lightmeter also. Check your office store, I think this type of battery was used in calculators or something like that so they sell replacement batteries for offices.
My Praktica uses PX28, that one I haven't found here yet though. I know I can buy them from international stores on the net but I havn't come around to it yet.
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lahnet
Joined: 10 Apr 2007
Posts: 1164
Location: Denmark
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| Posted: Tue Sep 16, 2008 8:31 am Post subject: |
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lahnet wrote:
| Prometheus wrote: |
I buy my PX625's from a swedish officestore for about 2€, they work well in the Yashicas anyway and seems to work good in the Gossen lightmeter also. Check your office store, I think this type of battery was used in calculators or something like that so they sell replacement batteries for offices.
My Praktica uses PX28, that one I haven't found here yet though. I know I can buy them from international stores on the net but I havn't come around to it yet. |
Interesting.. The ones you buy are they 1,35 or 1,50 volts. If 1,35 please post a link.
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Prometheus
Joined: 27 Feb 2008
Posts: 878
Location: Garphyttan, Sweden
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| Posted: Tue Sep 16, 2008 8:47 am Post subject: |
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Prometheus wrote:
| lahnet wrote: |
| Interesting.. The ones you buy are they 1,35 or 1,50 volts. If 1,35 please post a link. |
Oops, no they are 1.5 volts... so I guess it depends on how the extra voltage is handled.
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
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| Posted: Tue Sep 16, 2008 10:46 am Post subject: |
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Attila wrote:
Gössen lighmeter cheating a bit with 1.5 volt, but with negative film this is acceptable.
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Laurence
Joined: 26 Mar 2007
Posts: 4809
Location: Western Washington State
Expire: 2016-06-19
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| Posted: Tue Sep 16, 2008 3:50 pm Post subject: |
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Laurence wrote:
Zinc-Air batteries are easily preserved by re-covering the air holes. This adds many months to the life of the battery.
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Cameras and Lenses in Use:
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LucisPictor
Joined: 26 Feb 2007
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| Posted: Tue Sep 16, 2008 4:24 pm Post subject: |
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LucisPictor wrote:
| Laurence wrote: |
| Zinc-Air batteries are easily preserved by re-covering the air holes. This adds many months to the life of the battery. |
That's an excellent hint!
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rick_oleson
Joined: 26 Feb 2007
Posts: 386
Location: Lexington Kentucky USA
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| Posted: Wed Sep 17, 2008 10:30 am Post subject: |
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rick_oleson wrote:
| Prometheus wrote: |
| lahnet wrote: |
| Interesting.. The ones you buy are they 1,35 or 1,50 volts. If 1,35 please post a link. |
Oops, no they are 1.5 volts... so I guess it depends on how the extra voltage is handled. |
Are they silver cells or alkaline? I just saw some mention of a silver 625 cell the other day but I've never seen one myself.... alkaline cells are unstable in voltage, in some cameras they will give a good exposure one day and a bad one (in either direction) on another day. As you say, it depends on the meter circuit.
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Prometheus
Joined: 27 Feb 2008
Posts: 878
Location: Garphyttan, Sweden
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| Posted: Wed Sep 17, 2008 10:50 am Post subject: |
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Prometheus wrote:
| rick_oleson wrote: |
| Are they silver cells or alkaline? I just saw some mention of a silver 625 cell the other day but I've never seen one myself.... alkaline cells are unstable in voltage, in some cameras they will give a good exposure one day and a bad one (in either direction) on another day. As you say, it depends on the meter circuit. |
Alkaline, but they worked good so far...
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Screamin Scott
Joined: 13 Oct 2007
Posts: 1014
Location: Dallas, Georgia USA
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| Posted: Wed Sep 17, 2008 1:19 pm Post subject: |
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Screamin Scott wrote:
See this thread which addressed this issue for my take...
http://forum.mflenses.com/gossen-lunasix-3-exposure-meter-battery-replacement-t10388,highlight,625+battery.html
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Nikkor AF Zooms=28-105/3.5D,28-70/3.5D,35-135/3.5, et al
Nikkor AF //50/1.8,//Nikkor MF//50/2ai,50/1.8ais 50/1.4ai,24/2.8ais,28/2.8ai,28/3.5ai,55microAis/2.8,105/2.5ai,200/4ai,300/4.5ai35-135/3.5Ais,et al
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Prometheus
Joined: 27 Feb 2008
Posts: 878
Location: Garphyttan, Sweden
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| Posted: Wed Sep 17, 2008 1:42 pm Post subject: |
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Prometheus wrote:
Aha, but then this ones (zink air, za675) could work? They are easier to find so that would be great.
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Screamin Scott
Joined: 13 Oct 2007
Posts: 1014
Location: Dallas, Georgia USA
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| Posted: Wed Sep 17, 2008 2:14 pm Post subject: |
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Screamin Scott wrote:
Mattias,
I use the #675 hearing aid air cells in my older equipment. I have the outer "shell" of a couple of alkaline 625's that I use to make them fit correctly. It's just like the adapter mentioned earlier ( http://www.cris-store.com/servlet/the-5/MR9-MR-dsh-9-Mercury-Battery/Detail) but without the voltage reducing diode. Since the #675 hearing aid air cells are the closest to the old mercury cells, the diode isn't needed.
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Nikkor AF Zooms=28-105/3.5D,28-70/3.5D,35-135/3.5, et al
Nikkor AF //50/1.8,//Nikkor MF//50/2ai,50/1.8ais 50/1.4ai,24/2.8ais,28/2.8ai,28/3.5ai,55microAis/2.8,105/2.5ai,200/4ai,300/4.5ai35-135/3.5Ais,et al
Kiron /Kino made lenses//70-210/4ai,28-105/3.2ai,30-80/3.5ai,Viv 28/2ai,35-85/2.8aiVivS1,105/2.8Ais Dine,24-48/3.8ai VivS1,50-150/3.8aiViv,28-85/2.8aiViv,100/2.8Nai Viv,70-210/3.5Nai Viv,28/2.5ai Viv Komine made Viv//24/2Ais,135/2.8aiCF,28-50/3.5ai,28-90/2.8ai Viv S1,80-200/4.5aiCosina made Viv 19/3.8 Ais...Also Sigma 24/2.8 Ais Tokina made24/2.8ai VivAF Sigma 21-35/3.5,& other lenses... A link to some of my Flickr albums...
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Prometheus
Joined: 27 Feb 2008
Posts: 878
Location: Garphyttan, Sweden
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| Posted: Wed Sep 17, 2008 2:27 pm Post subject: |
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Prometheus wrote:
| Screamin Scott wrote: |
Mattias,
I use the #675 hearing aid air cells in my older equipment. I have the outer "shell" of a couple of alkaline 625's that I use to make them fit correctly. It's just like the adapter mentioned earlier ( http://www.cris-store.com/servlet/the-5/MR9-MR-dsh-9-Mercury-Battery/Detail) but without the voltage reducing diode. Since the #675 hearing aid air cells are the closest to the old mercury cells, the diode isn't needed. |
Great, thanks for the tip 
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Laurence
Joined: 26 Mar 2007
Posts: 4809
Location: Western Washington State
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| Posted: Wed Sep 17, 2008 7:27 pm Post subject: |
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Laurence wrote:
| LucisPictor wrote: |
| Laurence wrote: |
| Zinc-Air batteries are easily preserved by re-covering the air holes. This adds many months to the life of the battery. |
That's an excellent hint! |
I've had a zinc-air battery in the Revueflex for 7 months now...in that time, I've run about 6 rolls of film through, covering the air holes after my sessions.
Interestingly, I have a hearing aid too, so I buy hearing aid batteries in bulk.
As long as the air holes are covered, there is a shelf life of at LEAST five years, based on my personal experience! 
I'm STILL waiting to use up the battery in the Revueflex....  ...same situation with the Contaflex 126...
_________________
Assent, and you are sane;
Demur,—you ’re straightway dangerous,
And handled with a chain.
Emily Dickinson
Cameras and Lenses in Use:
Yashica Mat 124 w/ Yashinon 80/3.5,
CV Apo-Lanthar 90/3.5SL, (Thank you Klaus),
Pentax 645,
Flek 50,
Pentax-A 150
Pentax-A 120 Macro
Voigtlander Vitomatic I w/Color Skopar 50/2.8
Konica TC and zoom lenses (thanks Carsten)
Contax AX
Yashica ML 50/2
Yashica ML 35/2.8
Carl Zeiss Contax 50/1.4
Tamron Adaptall SP 17/3.5
Tamron Adaptall 28/2.5
Tamron Adaptall SP 300/2.8 LD (IF)
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Screamin Scott
Joined: 13 Oct 2007
Posts: 1014
Location: Dallas, Georgia USA
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| Posted: Wed Sep 17, 2008 9:46 pm Post subject: |
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Screamin Scott wrote:
I also buy hearing aid batteries in bulk....I wear hearing aids in both ears and have since I was 7 yrs old back in 1956
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Cameras-Nikon D300, D7100,D610,FE2,FTN ,FT2,N90s, Olympus Pen EP-3 & Olympus OM-D E-M10
Nikkor AF Zooms=28-105/3.5D,28-70/3.5D,35-135/3.5, et al
Nikkor AF //50/1.8,//Nikkor MF//50/2ai,50/1.8ais 50/1.4ai,24/2.8ais,28/2.8ai,28/3.5ai,55microAis/2.8,105/2.5ai,200/4ai,300/4.5ai35-135/3.5Ais,et al
Kiron /Kino made lenses//70-210/4ai,28-105/3.2ai,30-80/3.5ai,Viv 28/2ai,35-85/2.8aiVivS1,105/2.8Ais Dine,24-48/3.8ai VivS1,50-150/3.8aiViv,28-85/2.8aiViv,100/2.8Nai Viv,70-210/3.5Nai Viv,28/2.5ai Viv Komine made Viv//24/2Ais,135/2.8aiCF,28-50/3.5ai,28-90/2.8ai Viv S1,80-200/4.5aiCosina made Viv 19/3.8 Ais...Also Sigma 24/2.8 Ais Tokina made24/2.8ai VivAF Sigma 21-35/3.5,& other lenses... A link to some of my Flickr albums...
https://www.flickr.com/photos/screaminscott/albums |
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peterqd
Joined: 28 Feb 2007
Posts: 7448
Location: near High Wycombe, UK
Expire: 2014-01-04
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| Posted: Thu Oct 02, 2008 9:05 am Post subject: |
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peterqd wrote:
Martin, Matt etc
If you have an alkaline cell (which won't last too long before the voltage begins to drop), you can use the shell of it to make your own adapter to use a cheap 1.55v silver oxide cell. It's a simple job:
http://www.paulbg.com/batt-adapt-US.pdf
I also found a site in Japan that sells 625 adapters similar to the Criscam one, quite cheap too (about £15.50):
http://www.kanto-cs.co.jp/english/adapter/adapter_en.html
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