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  1. I saw that video too... lol I have the...

    I saw that video too... lol

    I have the cameras that bolt onto his instrument - "Metric" ultra precise surveying cameras built by Wild Heerburg.

    We / my little group are essentially building...
  2. 297789 ^^^ Click to enlarge, ^^ This is a...

    297789

    ^^^ Click to enlarge,

    ^^ This is a pretty common Hilger and Watts "Microptic" autocollimator

    Those can still be found...

    But generally autocollimators will be of the order of...
  3. Yeah no worries , very welcome. Randomly...

    Yeah no worries , very welcome.

    Randomly seeing what's available on line; some folks know what these instruments are worth $$$$$$ +++ , and sometimes you see some pretty good deals on more unusual...
  4. LOL :D I come originally from the UK - we used...

    LOL :D

    I come originally from the UK - we used to say gnats "cock" - I guess a gnat's arse could bigger ? Got get this stuff right RIGHT ??? !! It's the Metrology forum.
  5. Funny you should mention that I put "sports...

    Funny you should mention that I put "sports optics" on some the cameras I have built lol. It can be a cheaper way of getting there / field alignment.

    Typically the barrel of some of those...
  6. Are you trying to 'poop" on me Mr Bob :D It is...

    Are you trying to 'poop" on me Mr Bob :D

    It is what it is, refs are all there - the easy PDF are there - resolving two fuzzy blobs and the angular distance between the two is all there , and the...
  7. Sooo Visual Autocollimator Type AKW, AKW MD &...

    Sooo

    Visual Autocollimator Type AKW, AKW MD & MDD | 60deg-Viewing | Double Micrometer | Fixed Focus Setting | MOLLER-WEDEL OPTICAL GmbH

    This is one of their most compact autocollimators short...
  8. Resolution "Old school" for telescopes usually...

    Resolution "Old school" for telescopes usually point back to what's known as the "Raleigh criterion"

    Angular resolution - Wikipedia

    Basically what is the angular distance you can separately...
  9. Ok Longer focal length autocollimators and better...

    Ok Longer focal length autocollimators and better built / higher quality autocollimators easily read down to sub arc second... Usually the problem then becomes the field of view is too narrow that...
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