Difference between revisions of "Gossen Lunasix"
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| − | {{ | + | {{Infobox_Light_Meter |
| − | [[Gossen]] Lunasix is a hand held light meter. In some | + | |meter name=Gossen Lunasix |
| + | |image source= http://www.flickr.com/photos/phollectormo/5539603916/in/pool-camerawiki | ||
| + | |image= http://farm6.static.flickr.com/5296/5539603916_6287b4c75d_m.jpg | ||
| + | |image caption=Image by {{image_author|phollectormo}} {{with permission}} | ||
| + | |maker=[[Gossen]] | ||
| + | |dates=1961-1980 | ||
| + | |variants=Lunasix, Lunasix 3, Lunasix 3s | ||
| + | |type=Ambient exposure meter | ||
| + | |display=Pointer needle with mechanical computer | ||
| + | |sensor=[[CdS]] | ||
| + | |measurement angle=30° reflected, 180° incident | ||
| + | |multiple measurements=no | ||
| + | |ambient sensitivity=-8 to +24LV (Lunasix 3 -4 to +24LV) | ||
| + | |flash sensitivity=N/A | ||
| + | |iso range=ISO 8 to 2,500 | ||
| + | |incident light=Yes | ||
| + | |reflected light=Yes | ||
| + | |flash measurement=No | ||
| + | |aperture range=f 1 to 90 | ||
| + | |time range=1/4,000s to 8 hours | ||
| + | |battery=2×mercury (later 2×silver oxide) | ||
| + | |weight=170g | ||
| + | }} | ||
| + | |||
| + | The 1961 '''[[Gossen]] Lunasix''' (in US '''Luna Pro''') is a hand held exposure meter. Sold for many years the Lunasix was famed for its low light sensitivity, still impressive by today's standards. It was the company's first light meter not based on a selenium light receptor. The styling, layout, and distinctive "computer" dial set the standard for successive Gossen meters until the advent of electronic displays. | ||
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| + | In 1966 the revised '''[[Gossen]] Lunasix 3''' (in US Luna Pro S) was introduced, the main difference being a range of clip on accessories. A later revision changed from the original mercury batteries, these models being distinguished by a black case. Finally, the computer dial was replaced by the [[Gossen Lunasix F|Lunasix F]] dial which incorporated exposure compensation, this version called '''Lunasix 3s'''. | ||
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| + | The Lunasix 3 introduced the standard incident light dome and meter front end aperture for clip on accessories that featured on every Gossen professional meter until the completely restyled [[Gossen Variosix F|Variosix F]] of 1990. | ||
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| + | The Lunasix was Gossen's flagship meter until the 1977 [[Gossen Profisix|Profisix]] and remained available for some years afterwards. | ||
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| + | ==Measurement== | ||
| + | The meter movement and operating mechanism are mechanical, however the CdS light cell requires battery power. Measurement is made by depressing the rocker switch in one direction for low light, and the other for daylight. When the rocker is released the needle remains clamped in place making transfer of the reading to the "computer" ring much easier. | ||
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| + | ==Accessories== | ||
| + | A range of clip on accessories extended the measurement possibilities. These accessories would also fit any of the other Gossen professional meters until the completely redesigned [[Gossen Variosix F|Variosix F]] | ||
| + | |||
| + | * Measuring probe for view cameras and negative measurement (densitometry) | ||
| + | * Tele attachment for selective measurement 15° and 7.5° | ||
| + | * Micro attachment for microsocope measurement | ||
| + | * Lab attachment for enlarger measurement | ||
| + | * Repro attachment for reproduction (document copying) measurement | ||
| + | |||
| + | == Links == | ||
| + | * [https://www.butkus.org/chinon/flashes_meters/gossen_lunasix/gossen_lunasix.htm Gossen Lunasix PDF manuals (English, German] at [https://www.butkus.org/chinon/index.html Butkus' OrphanCameras.com] | ||
| + | * [https://www.butkus.org/chinon/flashes_meters/lunasix3/lunasix3-splash.htm Gossen Lunasix 3 (English / German), Lunasix 3s (German) PDF manual] at [https://www.butkus.org/chinon/index.html Butkus' OrphanCameras.com] | ||
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[[Category:Meters]] | [[Category:Meters]] | ||
| − | [[Category: | + | [[Category:Gossen|Lunasix]] |
Latest revision as of 05:50, 5 October 2022
| Gossen Lunasix |
|---|
|
Maker: Gossen Dates: 1961-1980 Variants: Lunasix, Lunasix 3, Lunasix 3s Type: Ambient exposure meter Display: Pointer needle with mechanical computer Sensor: CdS Measurement angle: 30° reflected, 180° incident Multiple measurements: no Ambient sensitivity: -8 to +24LV (Lunasix 3 -4 to +24LV) Flash sensitivity: N/A ASA/ISO range: ISO 8 to 2,500 Incident light: Yes Reflected light: Yes Flash measurement: No Aperture range: f 1 to 90 Time range: 1/4,000s to 8 hours Battery: 2×mercury (later 2×silver oxide) Weight: 170g |
The 1961 Gossen Lunasix (in US Luna Pro) is a hand held exposure meter. Sold for many years the Lunasix was famed for its low light sensitivity, still impressive by today's standards. It was the company's first light meter not based on a selenium light receptor. The styling, layout, and distinctive "computer" dial set the standard for successive Gossen meters until the advent of electronic displays.
In 1966 the revised Gossen Lunasix 3 (in US Luna Pro S) was introduced, the main difference being a range of clip on accessories. A later revision changed from the original mercury batteries, these models being distinguished by a black case. Finally, the computer dial was replaced by the Lunasix F dial which incorporated exposure compensation, this version called Lunasix 3s.
The Lunasix 3 introduced the standard incident light dome and meter front end aperture for clip on accessories that featured on every Gossen professional meter until the completely restyled Variosix F of 1990.
The Lunasix was Gossen's flagship meter until the 1977 Profisix and remained available for some years afterwards.
Measurement
The meter movement and operating mechanism are mechanical, however the CdS light cell requires battery power. Measurement is made by depressing the rocker switch in one direction for low light, and the other for daylight. When the rocker is released the needle remains clamped in place making transfer of the reading to the "computer" ring much easier.
Accessories
A range of clip on accessories extended the measurement possibilities. These accessories would also fit any of the other Gossen professional meters until the completely redesigned Variosix F
- Measuring probe for view cameras and negative measurement (densitometry)
- Tele attachment for selective measurement 15° and 7.5°
- Micro attachment for microsocope measurement
- Lab attachment for enlarger measurement
- Repro attachment for reproduction (document copying) measurement
