Image:Platinum nuggets.jpg

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Platinum nuggets

Taken by Aram Dulyan ( User:Aramgutang)

 Date: 23'FEB 2005

An assortment of nuggets of native platinum from California (top-left) and Sierra Leone (top-right and bottom). The bottom nuggets show impressions of the enclosing matrix. Photograph taken at the Natural History Museum, London.

 Camera: Canon PowerShot A75
ISO: 100
Aperture: F 2.8
Shutter speed: 1/25 s
Public domain This image has been (or is hereby) released into the public domain by its author, Aramgutang at the English Wikipedia project. This applies worldwide.

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File history

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Date/Time Dimensions User Comment
current 01:42, 26 December 2005 816×439 (124 KB) Aramgutang ({| cellpadding="3" cellspacing="0" align="center" style="border: 2px solid seagreen; margin: 1.5em 0em 1.5em 0em;" |+ style="background:seagreen; colour:white;" | '''Platinum nuggets''' |- | style="background:lightgreen; padding:0px 15px 0px 7px; border-ri)
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Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer Canon
Camera model Canon PowerShot A75
Exposure time 1/25 sec (0.04)
F-number f/2.8
Date and time of data generation 16:27, 23 February 2005
Lens focal length 5.40625 mm
Orientation Normal
Horizontal resolution 180 dpi
Vertical resolution 180 dpi
Software used Adobe Photoshop 7.0
File change date and time 07:41, 20 April 2005
Y and C positioning 1
Exif version 2.2
Date and time of digitizing 16:27, 23 February 2005
Image compression mode 5
Shutter speed 4.65625
Aperture 2.96875
Exposure bias 0
Maximum land aperture 2.96875
Metering mode Pattern
Flash 16
Colour space 65535
Focal plane X resolution 4923.07692308
Focal plane Y resolution 4923.07692308
Focal plane resolution unit inches
Sensing method One-chip colour area sensor
Custom image processing Normal process
Exposure mode Manual exposure
White balance Manual white balance
Digital zoom ratio 1
Scene capture type Standard
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