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Thread: IQ160 levels

  1. #1
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    IQ160 levels

    found out these are giving me questionable behavior as i am getting significantly different readings for level today compared to saturday.

    i spent a lot of time tweaking my cube so that the pan axis was truly level for 360 degrees rotation using a precision machinist level. then mounted the cambers base and IQ160 to find the electronic levels on the back were out. ended up machining the RRS base and did get the IQ levels to come in perfectly for all 360 degrees pan.

    put the camera back on today, double checked the pan was level with the precision level, found the IQ electronic levels were off by maybe a degree or more.

    can those be trusted to accurately read level? the little bar readout is quite sensitive, but does it truly represent level

    may have to actually take a shot with true verticals and see what happens. wonder if the display accurately reflects verticals, with the grid for example
    ???

  2. #2
    Senior Member kdphotography's Avatar
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    Re: IQ160 levels

    Hi John,

    If a leveling table is available at RRS, you may be able to check/recalibrate your MFDB levels this weekend at CI in Carmel!

    ken

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    Re: IQ160 levels

    Can't remember the exact tolerances (yes, there are some of course), but i guess they were around +- 1°. 2° total.

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    Subscriber & Workshop Member GrahamWelland's Avatar
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    Re: IQ160 levels

    If you upgrade to the IQ260 there's an additional tolerance to consider. That being the velocity of level change per second.

    Mine used to be +/- 0.5° / second. After the recent firmware upgrades it's more like +/- 0.1° At least with the IQ160 it doesn't move.
    Remember: adventure before dementia!

    As Oscar Wilde said, "my tastes are simple, I only like the best"

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    Re: IQ160 levels

    Have to say that unless I'm about to launch a nucular launch vehicle about to hit a target somewhere within 1000 miles I really don't see where having absolute zero balance is needed.

    Nice to have alough when it comes down to it life and landscape is never level so I figure if I can get close enough I'm satisfied and worry about bigger things like remembering to take the lens cap off.

    Just my 2 cents

    Don
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    Subscriber & Workshop Member GrahamWelland's Avatar
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    Re: IQ160 levels

    But Don, we're OCD about these things
    Remember: adventure before dementia!

    As Oscar Wilde said, "my tastes are simple, I only like the best"
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    Re: IQ160 levels

    ken: explain how that leveling table works?

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    Subscriber & Workshop Member GrahamWelland's Avatar
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    Re: IQ160 levels

    John: now that you've calibrated the optical levels on your Cube, you can always reset the wandering IQ level to the Cube now!

    Ken: having seen John's workshop and precision gear, I think that he could probably assist RRS with calibrating THEIR granite tables
    Remember: adventure before dementia!

    As Oscar Wilde said, "my tastes are simple, I only like the best"
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    Senior Member kdphotography's Avatar
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    Re: IQ160 levels

    I was sorta hoping that John would be sending out his milling machinery and gear ahead of time for CI in Carmel!

    ken

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    Subscriber & Workshop Member GrahamWelland's Avatar
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    Re: IQ160 levels

    Perhaps we can convince john to follow the Fred Picker Zone VI approach of offering value-added upgrades to gear like the Cube? The Milich Cube leveling upgrade? (I would hate to consider the man hour cost per Cube though)
    Remember: adventure before dementia!

    As Oscar Wilde said, "my tastes are simple, I only like the best"
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    Re: IQ160 levels

    i'm thinking a self leveling laser transit beam reflected off the sensor glass exactly back on itself would show a vertical sensor. can't see how else to do it


    MBN: egad, 1-2 degree is huge amount! about 6" over 30' is one degree

    and how did you type in that degree sign?

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    Senior Member stephengilbert's Avatar
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    Re: IQ160 levels

    how did you type in that degree sign?

    On a Mac, it's SHIFT/OPTION/8 °°°°

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    Senior Member stephengilbert's Avatar
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    Re: IQ160 levels

    Graham,

    Another feature of the Cube is that it's so expensive that a four or five hundred dollar upgrade seems reasonable. (My apologies to John if that number is insultingly low for the work done.)

    Steve
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    Senior Member kdphotography's Avatar
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    Re: IQ160 levels

    Another great feature of the Cube is that it's so exclusive, 90% of its owners are active forum members here at GetDPI; the remaining 10% are at the LL forums, so John probably "knows" most all the Cube owners most likely susceptible to the AS Milich Cube upgrade.

    So the "friend's discount" of four or five hundred dollars for the upgrade seems just about right.

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    Re: IQ160 levels

    i'll bring my little precision level; it's pretty easy to detect a whacky pan axis

    see you friday, pigs!
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    Senior Member yaya's Avatar
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    Re: IQ160 levels

    Quote Originally Posted by stephengilbert View Post
    how did you type in that degree sign?

    On a Mac, it's SHIFT/OPTION/8 °°°°
    Or

    Option Zero
    Yair Shahar | Product Manager | Phase One | Mamiya Leaf
    e: [email protected] | m: +44(0)77 8992 8199 | yaya's blog
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    Re: IQ160 levels

    tried the laser and it works. put my GG plate in the camera, reflected the dot back on itself and it is an extremely accurate tell for a truly vertical plane. will use this as my reference and re-machine the RRS plate

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    Subscriber and Workshop Member MGrayson's Avatar
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    Re: IQ160 levels

    Quote Originally Posted by GrahamWelland View Post
    Perhaps we can convince john to follow the Fred Picker Zone VI approach of offering value-added upgrades to gear like the Cube? The Milich Cube leveling upgrade? (I would hate to consider the man hour cost per Cube though)
    While we're putting out upgrade ideas, how about the pair of vertical lasers on the front and back standards. Get the dots to align on the ground, and instant Scheimpflug! The lasers could be reoriented for swings.

    --Matt
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    Administrator Bob's Avatar
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    Re: IQ160 levels

    Well, are we talking "local", level which is effected by eccentricity in the mass distribution in this oblate spheroid we inhabit, or are we talking true tangency to the mathematical model of the planet.
    That might be level in New York but will be off at the equator if an astronomic reference is used.
    -bob
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    Re: IQ160 levels

    recall i work in an old shipyard, with hidden uranium vaults which mass clearly affects big G locally
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    Re: IQ160 levels

    Quote Originally Posted by MGrayson View Post
    While we're putting out upgrade ideas, how about the pair of vertical lasers on the front and back standards. Get the dots to align on the ground, and instant Scheimpflug! The lasers could be reoriented for swings.
    --Matt
    Matt , what about passing that idea on to LEICA GEOSYSTEMS , maker of the DISTO 5 laser . They might be able to create a Scheimpflug Laser Meter .
    One of my big dreams .
    Regards . Jürgen .
    -----------------------------------------------------------------------------------

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    Re: IQ160 levels

    Quote Originally Posted by Bob View Post
    Well, are we talking "local", level which is effected by eccentricity in the mass distribution in this oblate spheroid we inhabit, or are we talking true tangency to the mathematical model of the planet.
    That might be level in New York but will be off at the equator if an astronomic reference is used.
    -bob
    And don't even hope to get anything level in either California or DC
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    Re: IQ160 levels

    maybe I'll bring my alignment laser out to Pigs and we can do some comparisons

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    Re: IQ160 levels

    Quote Originally Posted by jotloob View Post
    Matt , what about passing that idea on to LEICA GEOSYSTEMS , maker of the DISTO 5 laser . They might be able to create a Scheimpflug Laser Meter .
    One of my big dreams .
    My feeling is that this is almost a laser pointer and gaffer tape thing, and having a fancy and delicate mechanism would be suboptimal (e-module anyone?).

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    Subscriber Member jotloob's Avatar
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    Re: IQ160 levels

    Quote Originally Posted by MGrayson View Post
    My feeling is that this is almost a laser pointer and gaffer tape thing, and having a fancy and delicate mechanism would be suboptimal (e-module anyone?).
    Makes me look into the NUVOFOCUS_CALC again .
    Regards . Jürgen .
    -----------------------------------------------------------------------------------

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