File:Corkborer2.jpg
Corkborer2.jpg (509 × 343 pixels, file size: 214 KB, MIME type: image/jpeg)
Captions
corkborer set
- Description: set of cork borers. Left to right sizes 6,7,8,9 nested, size 5, American penny for scale, sizes 4,3,2,1 nested, pusher. Used for making holes in corks for glass tubing in chemistry labs. Background is 1/4" square graph paper.
- Source: self made
- Photographer: Richard Frantz Jr. (I release this to public domain).
Public domainPublic domainfalsefalse |
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
This image has currency in it to indicate scale.
Using coins for scale is discouraged as it will require people unfamiliar with them to look up the dimensions or guess, both of which defeat the purpose of the object in the first place. Coins can also reinforce a geographical bias, and some coins' designs are copyrighted. Ideally, a photograph should include a ruler with the subject (example) or an added scale marking. SI ("metric") units are the most commonly used worldwide (see meter and centimeter). Images with coins to indicate scaleCommon coin diameters for reference:
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:47, 7 March 2005 | 509 × 343 (214 KB) | RJFJR (talk | contribs) | corkborer set |
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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 | Canon |
---|---|
Camera model | Canon PowerShot A300 |
Exposure time | 1/25 sec (0.04) |
F-number | f/3.6 |
Date and time of data generation | 13:17, 5 March 2005 |
Lens focal length | 5 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop 7.0 |
File change date and time | 23:04, 5 March 2005 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 13:17, 5 March 2005 |
Image compression mode | 5 |
APEX shutter speed | 4.65625 |
APEX aperture | 3.6875 |
APEX exposure bias | 0 |
Maximum land aperture | 3.6875 APEX (f/3.59) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |
Focal plane X resolution | 3,076.9230769231 |
Focal plane Y resolution | 3,076.9230769231 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |