ePHOTOzine has partnered up with to bring you a selection of Gossen Lunasix 3 instruction manuals and related photographic literature. Gossen Lunasix 3, although built around the early ’70, is a very The Gossen Lunasix is a purely passive circuit, i.e. there are only .. Hello, at last I´ve been able to calibrate mi gossen Lunasix 3 with your instructions. In the. Maker: Gossen. Dates: Variants: Lunasix, Lunasix 3, Lunasix 3s. Type: Ambient exposure meter.
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The negative pole goes to the corner of the board, while the positive ends somewhere around the center. Thanks for responding so lunaslx, Augie.
Share This Page Tweet. If you have any numbers that I can compare to, that may or may not be useful. However, repetitive process like this requires you to have a necessary set of reference luminances at hand, e.
I oriented it so that the clear opening replaces the silvered side when in low-light mode, I assume that is right. The meter draws a minute amount of power and so the voltage drop across a small-signal thin and steep P-N junction silicone diode will be less than 0.
If I adjust the slope pot further to get near 5, the reading at 10 is goes down to about 7. Adding two resistors next to the galvanometer to build a current divider and keep the total resistance constant.
Gossen Lunasix 3 Instruction Manuals
My next project will be restoring the old selenium meter of manuall Yashica-mat LM. As an alternative to buying the Gossen adapter, Sarah Fox has made a web page with instructions for adjusting the meter to work with silver-oxide cells.
For each setting I compared readings with and without the filter.
Very fresh silver oxides will be 1. Can you give me an advice why my meter can not be positioned zero properly?
Where to get the users instruction manual for Gossen Lunasix?
The switch looks fine, but I cleaned the contacts just in case. Your email address will not be published.
It has a hole in it, through which the serial number can be seen. Leave a Reply Cancel reply Your email address will not be published. And have yourself a great day. Under the plate you will find six screws see photo to the right, above.
March 5, at lunasxi When I kept turning the zero screw clockwise, the needle swinged to the left, then it swing back to the right.
Calibrating Gossen Lunasix 3 (LunaPro)
Inspect carefully the front part where the sensor is. The last element in the list you have to be extremely careful about: Having purchased a Canon F1 aroundI found that the required 1.
March 6, at Working the scale nonlinearities back into their original formulas would likely lead to too many assumptions and thus inaccuracies, so I consider it a void attempt in this case.
The left pair is responsible for low light rangeno ND filterthe right pair — for the high light rangeND6 filter in the light path.
ISO 8 to 2, Incident light: Try Bogen, they’re very good about supplying older manuals. October 2, at Now connect your multimeter to these two wires and start collecting data, use the sheet referenced before to evaluate it.
Close the meter as far as it goes, making sure that the one leg of the LDR does not make contact anywhere.
Towards the bottom of the PCB you will find four trimm-pots available through holes in the pcb see photo. However, some months ago I dropped the meter and it has been sticking, intermittently.
I suggest a different approach: All I did was to put the lever arm through the hole in the corner, and swing the mirror part into its slot before closing the case.
Have you ever come across this problem? Lunasix 3 manual Here are all the pages of the operating manual for the Gossen Gkssen 3 photographic light meter. But there is another big problem that I can not fix it that is the needle can never be tested to the zero position.
Hi, this is an excellent article.