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richard_cook2

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Posts posted by richard_cook2

  1. <p>On the fifth picture you can compare the finish on the aperture ring with the finish on the breech locking ring. The finish below the orange dot on the locking ring looks hand painted compared with the finish on the aperture ring. Also the paint on the locking ring looks as if it is wearing through to the chrome in places on the ridges.</p>
  2. <p>I too have one of these lenses with a broken lens mount. I wonder how many of them it would take to make it worthwhile for someone to remanufacture replacement lens mounts for them.</p>
  3. <p>I have two EFs.<br>

    In August 2009 I fitted two new silver oxide batteries to each of them.<br>

    After six months they had only had taken a couple of films each and were switched off when not in use. However while the batteries in one of them were OK (and are still OK) the batteries in the other were not working. When I checked the non-working batteries one was low but the other was OK.<br>

    Given that there are two or three different EF circuits, does one use up batteries faster than the other and if so does it use up one battery rather than the other or is there something wrong with one of my EFs?</p>

  4. <p>We are often being recommended to send cameras to a camera repairman to have them repaired or CLA'd. The camera repair men mostly seem to have learned their trade decades ago by going on special courses, either of a general type or ones that were specific to a particular type of camera and were run by the manufacturer soon after the camera was released.</p>

    <p>If someone wanted to become a film camera repair man today how would they learn their trade?</p>

    <p>There does not seem to be any way open to them other than by teaching themselves and asking questions when they get stuck.</p>

    <p>If nobody learns how to repair film cameras themselves what will happen when the current generation of camera repair men lose their eyesight or die off?</p>

  5. <p>A paragraph is devoted to shutter speed adjustment of the Canon FTb on page 72 of Tomosy's Camera Maintenance and Repair Book 1. He says:<br>

    'Shutter adjustment is down at the bottom in the usual position. You need a forked screwdriver to turn the ratchet wheels. When oiling the shutter, the curtain shafts and the timing gears are the ones needing the oil most desperately. The FTb has an extra master shaft running from top to bottom. Oil these three shafts in their brass bushings, both top and bottom (six bushings).'<br>

    In his picture, which is of the entire bottom of the camera, his screwdriver appears to be pointing to the wheel that the upper arrow is pointing to in your first picture.<br>

    The curtain shaft and master shaft are labelled on the other side of the bottom of the camera.</p>

  6. <p>I have several Tamron lenses with Canon FD adaptors and also a third-party teleconverter which I use with Canon FD lenses. I often find that it is sometimes quite a struggle to get them to fit correctly which involves rotating both the lens/converter and the locking ring before the lens/converter in mounted tightly to the camera body. Once they have been fitted correctly however I do not have any problem with their performance.</p>
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