Gossen Lunasix 3, although built around the early ’70, is a very capable hand- held meter even by today standards. It beats my Canon 20D. I want to use a Gossen Lunasix 3 that I’ve been given. After research I’ve discounted using Wein cell batteries, because of there short life. Gossen Lunasix 3 exposure meter. The Lunasix 3 is the finest in the line of “SIX” Exposure and Color temperature meters the SIXTUS, SIXTOMAT, SIXON, BISIX, .
|Country:||Republic of Macedonia|
|Published (Last):||5 March 2015|
|PDF File Size:||4.90 Mb|
|ePub File Size:||9.27 Mb|
|Price:||Free* [*Free Regsitration Required]|
I have bags of 1N and 1N Si diodes and have measured the voltage drop across a number of them and it is always in the region of mV. Learn More – opens in a new window or tab International shipping and import charges paid to Pitney Bowes Inc.
The voltage drop across a diode depends on the current folwing through it. Otherwise the idea of an LDO crossed my mind, it was just not worth it… You anyway will need to calibrate the whole business. Hi Mark, I was thinking about using LD low dropout voltage regulator instead of your solution.
In order to adjust all devices and in order to make them comparable I then will tape a small note on these devices. Not catastrophic aging of the ldr cell. Use another brand of Zink battery. It sounds right about the placement.
The difference is not huge yet and I still can recover the lights if I under expose one f-stop. Thank you all very much! Maybe I can get around that like this. Hi, I hope you can help me with this.
Calibrating Gossen Lunasix 3 (LunaPro) | marek’s microsite
A wall in a windowless toilet can be as dark as EV-3, a whitewashed wall outside in the sun will hit EV17, try your best to fill at least the gray marked range in the spreadsheet. The best lenses for Sony mirrorless cameras. But now by reading your message and the messages from Gato Amarillo and Sailor Blue I am beginning to understand that I can “calibrate” those light-meter myself.
An observant reader might have noticed, that the CdS cell does not change during calibration. If you’re looking for a high-quality camera, you don’t need to spend a ton of cash, nor do you need to buy the latest and greatest new product on the market. For a working photographer a practical test would be to set up a typical subject, meter, and do a series of bracketed exposures. Thank you all for your replies.
The filter appears to be fine. I bought a second hand Gossen Lunasix 3 lightmeter as a replacement for my other Lunasix 3, which ISO setting dial got broken and can only be shifted in one direction not a big issue, but anyway I wanted a backup lightmeter.
Retrieved from ” http: Leave a Reply Cancel reply Your email address will not be published. In your case the more accurate meter is the one that gets you closest to an ideal exposure.
Adding two resistors next to the galvanometer to build a current divider and keep the total resistance constant. Does this mean luansix the LDR is no good?
September 25, at A later revision lujasix from the original mercury batteries, these models being distinguished by a black case.
June 2, at May 25, at And it is strange, that the difference had been in all tests constantly the same.
Gossen Lunasix 3 Light Meter
When the rocker is released the needle lunsaix clamped in place making transfer of the reading to the “computer” ring much easier. As you can see, for calibrating the point 20 on the high-light scale you either need a lightbox outputting EV15, or you cheat, remove the filter, set the lightbox to EV9 and adjust the meter as if the filter was there, i. Your name or email address: Unfortunately they give all different values.