File:Double-Knock pencils.JPG

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Summary

Some mechanical pencils with double-knock mechanism.
This picture is my own work.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	10:22, 26 July 2018		1,600 × 1,200 (766 KB)	Dish (talk \| contribs)	Some mechanical pencils with double-knock mechanism.

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Camera manufacturer	Canon
Camera model	Canon DIGITAL IXUS 85 IS
Exposure time	1/50 sec (0.02)
F Number	f/2.8
ISO speed rating	200
Date and time of data generation	13:20, 16 July 2018
Lens focal length	6.2 mm
Orientation	Normal
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
Software used	Microsoft Windows Photo Viewer 10.0.17134.1
File change date and time	11:15, 26 July 2018
Y and C positioning	Centred
Exif version	2.2
Date and time of digitising	13:20, 16 July 2018
Meaning of each component	Y Cb Cr does not exist
Image compression mode	5
APEX shutter speed	5.65625
APEX aperture	2.96875
APEX exposure bias	0
Maximum land aperture	2.96875 APEX (f/2.8)
Metering mode	Pattern
Flash	Flash did not fire, auto mode