File:Box artificial quality25.jpg

Original file ‎(1,280 × 853 pixels, file size: 30 KB, MIME type: image/jpeg)

Summary

Scaled down version of an artificial image using JPEG quality factor of 25. Used to show the artefacts in JPEG compression.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:58, 5 December 2021		1,280 × 853 (30 KB)	Kgf (talk \| contribs)	Scaled down version of an ''artificial'' image using JPEG ''quality'' factor of 25. Used to show the artefacts in JPEG compression.

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Camera manufacturer	NIKON CORPORATION
Camera model	NIKON Z fc
Author	Frank K. Gurkaynak
Copyright holder	All Rights Reserved
Exposure time	1/5 sec (0.2)
F Number	f/6.3
ISO speed rating	100
Date and time of data generation	16:00, 5 December 2021
Lens focal length	50 mm
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	GIMP 2.10.22
File change date and time	15:25, 5 December 2021
Exposure Program	Aperture priority
Exif version	2.31
Date and time of digitizing	16:00, 5 December 2021
Meaning of each component	Y Cb Cr does not exist
Image compression mode	4
APEX exposure bias	0
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire
DateTime subseconds	40
DateTimeOriginal subseconds	40
DateTimeDigitized subseconds	40
Supported Flashpix version	1
Sensing method	One-chip color area sensor
File source	Digital still camera
Scene type	A directly photographed image
Custom image processing	Custom process
Exposure mode	Auto exposure
White balance	Auto white balance
Focal length in 35 mm film	75 mm
Scene capture type	Standard
Scene control	None
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
Lens used	16.0-50.0 mm f/3.5-6.3
Serial number of camera	6003695
IIM version	2