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2.
Remove the lens mount and lens from the tube.
3.
Located on the back of the lens mount
are three (3) small screws. Carefully, one
at a time, loosen each one a small amount.
Each screw should be loosened an even
amount. About 0.2mm may do.
4.
Re-insert the lens mount and attached
lens into the tube.
5.
Tighten the three (3) set screws.
6.
Re-peat the
checking your focal marks for accuracy.
7.
If yes, you are done. If not, repeat this step until back focus is correct-
ed.
Case 2: If you cannot achieve infinity focus at all, follow this method:
1.
Remove the four (4) Allen Screws holding
the front tube to the body of the adapter
2.
VERY carefully and VERY gently remove the
tube from the adapter. At this point you
should see the Ground Glass (GG) which is
mounted on three (3) Aluminum Posts.
3.
VERY gently, and evenly, pull the three (3)
Aluminum Posts outward away from the
Body about 0.2mm one at a time.
4.
Replace the front tube.
5.
Repeat the
6.
If you do get infinity focus, then see if the
other markings are correct. If the markings
are also correct, you are done. If you can
get infinity focus but the marking is not
correct, go to the steps in Case 1 to fix it.
7.
If you are still unable to achieve Infinity
Focus repeat these steps. Once you are
able to achieve Infinity Focus, next, repeat
1. Checking The Focus for accuracy of your
lens Focal Marks. If the lens Focal Marks
are inaccurate, follow Case 1 adjustment
steps.
NOTES:
Be VERY careful pulling the Ground Glass (GG) posts away from the
adapter body. Avoid touching the Ground Glass (GG) with bare fingers as it will
transfer oils to the Film Plane and may cause unwanted effects in your image.
Letus35 Mini User Guide
Testing The Focus step,
Testing The Focus step.
7
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