File:Vacuum tubes octal, miniature.agr.jpg
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Summary
DescriptionVacuum tubes octal, miniature.agr.jpg |
English: A full size and a miniature vacuum tube for size comparison. The larger tube, an octal-base 5U4GB dual power diode, was made by General Electric in the United States, the smaller, an ECC-83/12AX7 dual triode, was made by Telefunken in West Germany. The smaller tube is 1-3/4 inch (44.5 mm) high, not including pins, and 0.8 inch (20.4 mm) in diameter; the larger tube is 3-5/8 inches (93 mm) high, not including pins, with a base (black portion) 1-3/8 inches (35 mm) in diameter. |
Date | |
Source | Own work |
Author | ArnoldReinhold |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 16:46, 2 October 2020 | 2,421 × 3,421 (2.93 MB) | ArnoldReinhold | Uploaded own work with UploadWizard |
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Metadata
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Camera manufacturer | Apple |
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Camera model | iPhone 11 Pro |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/1.8 |
ISO speed rating | 400 |
Date and time of data generation | 16:16, 23 September 2020 |
Lens focal length | 4.25 mm |
Short title | Vacuum tubes ocatal, miniature.agr |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Photos 4.0 |
File change date and time | 16:16, 23 September 2020 |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.31 |
Date and time of digitizing | 16:16, 23 September 2020 |
Meaning of each component |
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APEX aperture | 1.6959938128384 |
APEX brightness | 1.4374573129086 |
Exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTimeOriginal subseconds | 439 |
DateTimeDigitized subseconds | 439 |
Supported Flashpix version | 1 |
Color space | Uncalibrated |
Sensing method | One-chip color area sensor |
Scene type | A directly photographed image |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1.9764705882353 |
Focal length in 35 mm film | 52 mm |
Scene capture type | Standard |
IIM version | 2 |