Difference between revisions of "Minolta Auto Meter"
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− | The [[Minolta]] '''Auto Meter''' and '''Auto Meter II''' are calculator dial exposure meters. They look very similar to most other meters but the calculator dial is unique. With a press of the measure button the calculator dial rotates automatically. | + | The [[Minolta]] '''Auto Meter Professional''' and '''Auto Meter II''' are calculator dial exposure meters. They look very similar to most other meters but the calculator dial is unique. With a press of the measure button the calculator dial rotates automatically. |
The '''Auto Meter III''' was the first fully electronic version with [[LCD]] display and measurement-result memory. | The '''Auto Meter III''' was the first fully electronic version with [[LCD]] display and measurement-result memory. | ||
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! scope="col" width="150" | | ! scope="col" width="150" | | ||
− | ! scope="col" width="200" | Auto Meter | + | ! scope="col" width="200" | Auto Meter Professional |
! scope="col" width="150" | Auto Meter II | ! scope="col" width="150" | Auto Meter II | ||
! scope="col" width="150" | Auto Meter III | ! scope="col" width="150" | Auto Meter III |
Revision as of 15:13, 4 October 2012
Auto Meter II with Ref image by Casual Camera Collector (Image rights) |
The Minolta Auto Meter Professional and Auto Meter II are calculator dial exposure meters. They look very similar to most other meters but the calculator dial is unique. With a press of the measure button the calculator dial rotates automatically.
The Auto Meter III was the first fully electronic version with LCD display and measurement-result memory.
Auto Meter III image by Jeckyll and Hyde (Image rights) |
The Auto Meter series was succeeded in 1983 by the Minolta Auto Meter F series which extended functionality of the Auto Meters to flash exposure measuring.
Accessories
- Ten-degree viewfinder 10 degree (reflected light)
- Flat diffuser (illuminance)
- 4× and 8× spherical ND diffuser
- Mini receptor (incident light; macro)
- Spot Mask II (enlarger)
Auto Meter specs
Auto Meter Professional | Auto Meter II | Auto Meter III | |
---|---|---|---|
measuring system | incident; reflected (with opt attachment) | ||
measuring element | CdS | silicon photo diode | silicon photo diode |
measuring range incident | low -3 to 7EV; high 7 to 17EV | -2.4 to 19EV | |
measuring range reflected | low 0 to 10EV; high 10 to 20EV | 1 to 22.5EV | |
accuracy | +-0.1EV | ||
film speed | ISO: 6 to 25,000 DIN: 9 to 45 |
ASA 12 to 6400 | |
Cine | 8 to 128 fps | ||
EV | -7 to 25EV | -8 to 25EV | -5.4 to 28.5EV |
aperture | f1 to f90 | f0.7 to f64 | |
shutter speed | 2 hr. to 1/8000 sec. | 30 min to 1/2000 sec. | |
power | 1x 6v silver oxide PX28 | 1x 6v alkaline 4LR44 | |
weight | 300g | 270g | 150g |