Thomas Birch, Fairmount Water Works, 1821

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Thomas Birch, Fairmount Water Works, 1821, oil on canvas, 20 1/8 x 30 1/16 in. (51.1 x 76.3 cm). Pennsylvania Academy of Fine Arts, Philadelphia.

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current	16:54, October 2, 2015		954 × 643 (416 KB)	C-tompkins (talk \| contribs)

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Camera manufacturer	Hasselblad
Camera model	Hasselblad H4D-50MS - Hasselblad H4D
Author	Barbara Katus
Copyright holder	Pennsylvania Academy of the Fine Arts
Exposure time	1/125 sec (0.008)
F Number	f/13
ISO speed rating	50
Date and time of data generation	14:55, November 1, 2011
Lens focal length	80 mm
Width	6,900 px
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Bits per component	8 8 8
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Horizontal resolution	72 dpi
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Data arrangement	chunky format
Software used	Adobe Photoshop CS4 Windows
File change date and time	10:34, September 17, 2014
Exposure Program	Manual
Exif version	2.1
Date and time of digitizing	14:55, November 1, 2011
APEX shutter speed	6.9657842814922
APEX aperture	7.4008794352412
Maximum land aperture	3 APEX (f/2.83)
Subject distance	1.41 meters
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Flash	Flash did not fire
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Image width	954 px
Image height	643 px
Lens used	HC 80
Serial number of camera	DP40016011
Date metadata was last modified	06:34, September 17, 2014
Unique ID of original document	xmp.did:2748651DDA37E111B47F98645BCAE146
Contact information	[email protected] 128 N. Broad Street PAFA/Digital Assets Manager Philadelphia, PA, 19102 United States 215 972-2051
IIM version	4