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Lisa CRT Alignment graticule

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pl212:
Do we know if anyone has scanned or photographed the "Alignment Graticule" for the CRT? I would guess this is a piece of transparent plastic with a crosshatch grid on it.  Part number is 077-8043-A...

sigma7:

--- Quote from: pl212 on October 05, 2024, 06:36:38 pm ---"Alignment Graticule" for the CRT?

--- End quote ---

I've been looking for the graticule  P/N 077-8043-A  aka  P/N 652-3520  for a long time and no sign of it yet.

If you want to make your own, my theory is that the outside dimensions of the 720 x 364 raster should be about 9.000" x 6.067" with each pixel being 0.0167"H x 0.0125"W

edit: had pixel HxW backwards

pl212:
A bit more sleuthing... I did find two different part numbers -- unsure why these would be split for the Lisa 2, unless they are talking about the square pixel mod:


077-8043   A  Video Align Graticule, Lisa
077-8169   A  Video Align Graticule for Mac XL/Lisa 2.0

compu_85:
It's probably due to the different shape of the Twiggy vs. Sony front bezel?

anotherLISAguy:
I had one listed on eBay a while back and P/N 077-8043-A is on the original LISA Alignment Graticule.
Another theory might be the part number change may have been done by what seems like a catalog wash and rename of the LISA 1 exclusive images/items.

As for their scarcity, they are very (very) hard to find in their original condition, particularly because the graticule was washed away after use.
In either case, they are unusually difficult to find item.

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