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    #1

    A question about codes on a KM 7x50 set of binos.

    A question about codes on a KM 7x50 set of binos.

    I recently held one but didnt have my phone with me to take pics.

    It has the KM eagle on the right side.

    BLC 7x50

    Big numbers 3108

    then under the eagle it has M/IV/1.

    Any idea what the numbers and letters mean?

    Ill get over there in a week or so and take some pics..

    thanks J
    Tags: None
    #2
    BLC is the code for Carl Zeiss.

    Steve

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      #3
      Thanks... curious about the 3108 and the M model..

      Comment

        #4
        M/IV/1 is the navy acceptance office control marking. It means the binocular has been tested and conform to the standards set up for acceptance by the navy.
        Basically, a control at the factory that it is okay.
        Earlier versions of the marking was an eagle over a simple M. Later in the war, they changed it to M, a roman number and a arabic number. IV/1 is the number for the office responsible for optical instruments.

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          #5
          would be very nice to see some pictures of your binoculars..

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            #6
            The number cannot be right. The first 25,000 blc numbers were all for Dienstglas 10x50.

            It will probably have a 5 digit serial number

            Comment

              #7
              Originally posted by Jumper View Post
              A question about codes on a KM 7x50 set of binos.

              I recently held one but didnt have my phone with me to take pics.

              It has the KM eagle on the right side.

              BLC 7x50

              Big numbers 3108

              then under the eagle it has M/IV/1.

              Any idea what the numbers and letters mean?

              Ill get over there in a week or so and take some pics..

              thanks J
              I wonder if your binoculars are 7x50H porro II? Pics are welcome!

              Comment

                #8
                Originally posted by MrZeiss View Post
                The number cannot be right. The first 25,000 blc numbers were all for Dienstglas 10x50.

                It will probably have a 5 digit serial number
                Not exactly, maybe Jumper's binos are very late 7x50H model with "blc" mark on the left. I have a similar pair with CZ logo:
                Attached Files

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                  #9
                  Here are some pics.
                  Attached Files

                  Comment

                    #10
                    Jumper, you have a very very nice binocular, well done sir.

                    Comment

                      #11
                      Originally posted by Jumper View Post
                      Here are some pics.
                      Seems that I've guessed right.

                      Comment

                        #12
                        Isn´t there a serial number somewhere at either end of the center axis?
                        7 Digit, first should be a "1"

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