File:Acorn Barnacles (Balanus or Chthamalus) (a676c238-c20b-4775-b888-d370fd653c80).jpg
Original file (1,200 × 900 pixels, file size: 487 KB, MIME type: image/jpeg)
Captions
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Summary[edit]
English: Acorn Barnacles (Balanus or Chthamalus) | |||||
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Photographer |
English: NPS |
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Title |
English: Acorn Barnacles (Balanus or Chthamalus) |
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Description |
English: Tiny green pea sized volcano like bumps on a rock. A black oval shaped shell is in the upper right. Acorn Barnacles grouped together on a rock in the tidepools
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Depicted place |
English: Cabrillo National Monument, San Diego County, California |
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Date | Taken on 29 April 2020 | ||||
Accession number | |||||
Source |
English: NPGallery |
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Permission (Reusing this file) |
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NPS Unit Code InfoField | CABR | ||||
Album(s) InfoField | English: Cabrillo Tidepools High Zone |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:11, 18 May 2021 | 1,200 × 900 (487 KB) | BMacZeroBot (talk | contribs) | Batch upload (Commons:Batch uploading/NPGallery) |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | |
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Camera model | Pixel 4 |
Exposure time | 1,747/1,000,000 sec (0.001747) |
F-number | f/1.73 |
ISO speed rating | 52 |
Date and time of data generation | 11:40, 29 April 2020 |
Lens focal length | 4.38 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | HDR+ 1.0.300173574zdh |
File change date and time | 11:40, 29 April 2020 |
Exposure Program | Normal program |
Exif version | 2.31 |
Date and time of digitizing | 11:40, 29 April 2020 |
Meaning of each component |
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APEX shutter speed | 9.16 |
APEX aperture | 1.58 |
APEX brightness | 6.69 |
APEX exposure bias | 0 |
Maximum land aperture | 1.58 APEX (f/1.73) |
Subject distance | 0.204 meters |
Metering mode | Center weighted average |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 852468 |
DateTimeOriginal subseconds | 852468 |
DateTimeDigitized subseconds | 852468 |
Supported Flashpix version | 1 |
Sensing method | One-chip color area sensor |
Scene type | A directly photographed image |
Custom image processing | Custom process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 3.91 |
Focal length in 35 mm film | 27 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Macro |