File:Protosialis americana PCCA20050708-9036A.jpg

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Summary

Description	Alderfly, Protosialis americana species. Location: Durham, North Carolina, United States. Note: species identification by photography is difficult or impossible in this family, and several species are noted from this area.
Date	8 July 2005
Source	Photograph taken by Patrick Coin
Author	Patrick Coin (Patrick Coin)
Permission (Reusing this file)	cc-by-sa-2.5
Other versions	Derivative works of this file: Corydalus versus Sialis.png none

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	18:18, 26 May 2006		1,024 × 646 (140 KB)	Cotinis	{{Information \|Description = Alderfly, ''Sialis'' species. Location: Durham, North Carolina, United States. Note: species identification by photography is difficult or impossible in this genus, and several species are noted from this area. \|Source = Photo

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Camera manufacturer	Canon
Camera model	Canon EOS 10D
Exposure time	1/200 sec (0.005)
F Number	f/11
ISO speed rating	400
Date and time of data generation	13:22, 8 July 2005
Lens focal length	100 mm
Orientation	Normal
Horizontal resolution	90 dpi
Vertical resolution	90 dpi
Software used	Adobe Photoshop 7.0
File change date and time	11:37, 5 January 2006
Y and C positioning	Centered
Exif version	2.2
Date and time of digitizing	13:22, 8 July 2005
Image compression mode	3
APEX shutter speed	7.6438598632812
APEX aperture	6.9188690185547
APEX exposure bias	0
Maximum land aperture	2.9708557128906 APEX (f/2.8)
Metering mode	Average
Flash	Flash fired, compulsory flash firing
Color space	sRGB
Focal plane X resolution	3,443.9461883408
Focal plane Y resolution	3,442.0168067227
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
Scene capture type	Standard