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  1. #1
    Join Date
    Feb 2015
    Location
    Oz
    Posts
    615

    Default Through a loupe sniffing resin..

    I’ve been fiddling with OCPs again, the new improved model has a few minor improvements over the original, not the least of which being a better electrical layout. The new one is of unit construction and sports a satin finish compliments of a green scotch brite wheel.

    I can tell you it wasn't easy feeding the LED in, then routing the wires in and out the 5mm holes, soldering and insulating them, routing them back through again, seating the LED and then capping the top hole with a brass plug, hope I never have to repair it! I think I spent most of the afternoon peering through a loupe sniffing solder resin.
    All done now, so if you’re still interested Kryn, the one on the right, (the original) is yours!
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  3. #2
    Join Date
    Jan 2004
    Location
    Mackay Qld
    Posts
    3,466

    Default

    Not a criticism, but I am wondering why this ocp needs the illumination.
    I have a manufactured unit,a Veritas and it works very well even in medium lighting situations.

    Is there a big advantage to this.Enough to overcome the attachment which makes it less efficient for storage in a neat package ,ie suitable box.

    Grahame

  4. #3
    Join Date
    Feb 2015
    Location
    Oz
    Posts
    615

    Default Design?

    I've never used a bought one, much less seen one so I have no idea what they are like. Must be my design then I think: whilst I can see the scribed marks on the job in good light, it's not the best if in a darkish workspace. I find the LED seems to make the cross hairs glow making it super easy to line everything up.

  5. #4
    Join Date
    May 2011
    Location
    Murray Bridge SA
    Posts
    3,339

    Default

    PM sent
    Kryn

  6. #5
    Join Date
    Feb 2015
    Location
    Oz
    Posts
    615

    Default Ocp

    Replied.

  7. #6
    Join Date
    Nov 2008
    Location
    Perth WA
    Age
    71
    Posts
    5,650

    Default An over the counter version.

    Purchased second hand about twenty years ago. Works well.
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  8. #7
    Join Date
    Feb 2015
    Location
    Oz
    Posts
    615

    Default Ocp

    That's a pretty lumpy lens, I did play with rounding the lens but after the polishing process the lens shape changed enough to distort the image. If I was to black the crosshairs they would be easier to see I guess, but as long as the light is ok I can see the work without too many problems and with the LED switched on it works extremely well Best of all is whenever I pull it out I get a little bit of satisfaction knowing I designed and built it myself.

  9. #8
    Join Date
    Jul 2014
    Location
    Alphen aan den Rijn, Netherlands
    Posts
    67

    Default

    Quote Originally Posted by Anorak Bob View Post
    Purchased second hand about twenty years ago. Works well.
    Bob,
    What are the materials it is made off?
    (my guess: aluminum with brass bushing, hardened steel punch and ?acrylic? lens?)

    Peter

  10. #9
    Join Date
    Nov 2008
    Location
    Perth WA
    Age
    71
    Posts
    5,650

    Default

    Quote Originally Posted by WoodBee2 View Post
    Bob,
    What are the materials it is made off?
    (my guess: aluminum with brass bushing, hardened steel punch and ?acrylic? lens?)

    Peter

    Exactly the materials it is made from Peter.

    http://www.dankroy.co.uk/ocp.htm

    Bob.

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