
Posted: Thu Oct 25, 2018 11:17 pm
That's a type F Kalart.
With the rails set fully retracted or forward .040± .010 inch from fully retracted set the front standard so that the lens is in sharp focus with the aperture wide open on a target 5000 feet or more as seen on the ground glass. (The moon makes an excellent infinity target)
Rails fully retracted-infinity at a fixed point until infinity stops slip or wear in the focus pinion causes a shift in the infinity point.
Rails forward of fully retracted- allows one to focus past infinity then back to infinity in the event of infinity point shift.
Ensure the front standard remains square to the bed/rails when locked down at the infinity set point.
Point the RF window at the same target used for infinity point setting and adjust the screw at or near the bed hinge in the RF coupling arm until the image is in coincidence.
Using
https://graflex.org/speed-graphic/kalart-manual.html (download a better copy at
https://drive.google.com/file/d/0B1sPJkp-Mdghc0FwQkRuWEhFZEE/view?usp=sharing )
The infinity adjustment is shown on page 6.
Using the rear scale preform the 15 /25 foot adjustment.
Recheck infinity then recheck the 15/25 foot adjustment if infinity changed.
Adjust the 4 to 8 foot adjustment then recheck infinity, 15/25 foot and 4/8 foot adjustments.
Use the front scale for the 4 to 8 foot adjustment.
Adjustment is complete when all adjustments stay.
If the RF is slow to move from one distance to another or is otherwise difficult to adjust disassemble it, clean all moving parts, apply a trace of white lithium grease or similar light weight grease (too much acts like glue) to the moving surfaces and a trace of light machine oil to the pivots. 3in1 oil is not a good oil for cameras nor is WD40. Clock oil, gun oil, TriFlow all work well.