File:Gregorian telescope circa 1735 in Putnam Gallery 2, 2009-11-24.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:41, 27 November 2009		3,106 × 2,485 (1.84 MB)	Ragesoss	{{Information \|Description={{location dec\|42.37650718519262\|-71.11607372760773}} A Gregorian telescope of English manufacture circa 1735, owned by John Winthrop, on display at the Putnam Gallery in the Harvard Science Center \|Source={{own}} \|Date=2009-11-

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Camera manufacturer	Canon
Camera model	Canon EOS DIGITAL REBEL XTi
Exposure time	1/50 sec (0.02)
F Number	f/2
ISO speed rating	400
Date and time of data generation	18:50, 24 November 2009
Lens focal length	85 mm
Orientation	0
Horizontal resolution	350 dpi
Vertical resolution	350 dpi
Software used	Picasa 3.0
File change date and time	18:50, 24 November 2009
Y and C positioning	Centered
Exif version	2.21
Date and time of digitizing	18:50, 24 November 2009
APEX shutter speed	5.6438598632812
APEX aperture	2
APEX exposure bias	0
Flash	Flash did not fire, compulsory flash suppression
Color space	Uncalibrated
Focal plane X resolution	4,433.2953249715
Focal plane Y resolution	4,453.6082474227
Focal plane resolution unit	inches
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard
Unique image ID	9401478feb30dfe6e1db4b6b0d9fc6bd