Yes, you are correct that it's the 2.8A, type 2.
Open the viewing hood and look through the viewing lens to see if the mirror looks ok or if the silvering has flaked off in places.
You can easily test the shutter by rotating the crank to cock the shutter and then press the shutter release. A good idea is to start by testing the faster shutter speeds first. You can start by 1/250 and then 1/100, then 1/50 and so on down to 1 sec. The escapement for the slower speeds kick in at 1/10, so by starting at the faster speeds and going down you'll "massage" the mechanisms in the shutter so the slowest speeds will be a little less likely to stick.
The fastest shutter speed is 1/500, but I'm not sure if you have to set this speed before cocking the shutter on the early Synchro-Compur, or if it's only the case for the older Compur-Rapid shutter, so it's safest to just start testing the shutter at 1/250. It's been a while since I looked into this, and perhaps someone else here knows more.
Slow or sticky slower speeds are common for a leaf shutter this old that hasn't been serviced in a long while. Sometimes the shutter blades refuse to close properly. Sometimes the shutter fires at the same speed regardless of setting. These problems just mean that it's time for service.
The big lever next to the viewing lens is for the selftimer. If you want to test it, remember that you must cock the shutter first by winding the crank. If the selftimer refuses to run down and fire the shutter, don't try to force anything. It means that the camera must be sent to a repairman for CLA...
If you want to test the winding and frame counter mechanism you'll need a test roll of 120-film.
Even if everything seems to work fine, I would say that, but still sell it "as is". Someone who wants to buy it as a user camera should be prepared to have a CLA done.
Thank you for your help JPD. I have a question about the serial number and how to confirm it's the 2.8A type 2 version 2 . In the picture below the chart shows the serial number I have on my camera as a 2.8 B . serial number I have I believe is 1204402. Can you clarify for me? Thank you.
The 2.8A has a Tessar lens and Bayonet II. The 2.8B has a Biometar lens and Bayonet III. So they are very different.
Hello back again with a follow-up question. Someone has asked me to take pictures of both lenses with a light through them to check quality of lenses. Do they literally mean point a light into the front of the lenses?
can anyone provide some insight into this or a picture showing what I need to do? Thanks!
You just let the light from a lamp shine through the lens so you can see any haze or fungus on the lens elements.
Examples:
Hopefully it's not as bad as in those examples.
Open the back of the camera.
Set the shutter to Bulb or Time.
Open the aperture to its largest size.
Shine the light from front or back - it doesn't matter.
Hold the digital camera at the other end of the lens from the light.
Open the shutter and take your digital picture.
And yes, you may need something or someone to help hold things or release the shutters or take the digital photo.
No mold, just some dust and slight haze. The mirror is in good condition with no flaking. Now check the taking lens.Thank you for your help. Would this be considered mold or just a dirty lense/mirror?
No mold, just some dust and slight haze. The mirror is in good condition with no flaking. Now check the taking lens.
Yes. you can see the "seat" of the mirror in the first image, and the groundglass reflecting in the second. So both are taken through the viewing lens.Are you sure that those aren't images from each lens?
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