File:Dollond Heliometer 1790.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	15:06, 13 January 2018	No thumbnail	4,608 × 3,072 (5.24 MB)	Wrongfilter	{{Information \|Description ={{en\|1=Heliometer lens, Dollond, London, around 1790. 16 x 6.8 cm (University Observatory Vienna). The lens was placed in front of a refractor of 6.7 cm aperture.}} {{de\|1=Heliometerobjektiv von Dollond, London, um 1790....

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Camera manufacturer	NIKON CORPORATION
Camera model	NIKON D3100
Exposure time	1/25 sec (0.04)
F Number	f/5.3
ISO speed rating	3,200
Date and time of data generation	15:52, 13 January 2018
Lens focal length	62 mm
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Ver.1.01
File change date and time	15:52, 13 January 2018
Y and C positioning	Co-sited
Exposure Program	Not defined
Exif version	2.21
Date and time of digitizing	15:52, 13 January 2018
Meaning of each component	Y Cb Cr does not exist
Image compression mode	4
APEX exposure bias	0
Maximum land aperture	4.8 APEX (f/5.28)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire, compulsory flash suppression
DateTime subseconds	00
DateTimeOriginal subseconds	00
DateTimeDigitized subseconds	00
Supported Flashpix version	1
Color space	sRGB
Sensing method	One-chip color area sensor
File source	Digital still camera
Scene type	A directly photographed image
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Focal length in 35 mm film	93 mm
Scene capture type	Standard
Scene control	High gain up
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
GPS tag version	2.2.0.0