Provided is an optical element with a configuration in which distortion due to fixing thereof on an effective optical portion can be reduced, preferably be eliminated and an apparatus including an optical element. The optical element comprising an effective optical portion on which a light beam is incident, a connecting portion with a holding member which holds the optical element, and a recess portion between the connecting portion and the effective optical portion. It is configured that force effecting on the connecting portion is attenuated by the recess portion then transmits to the effective optical portion. The recess portion is configured in groove shape, and the effective optical portion and the connecting portion can be configured different from each other in thickness.

 
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< Apparatus and method capable of executing plug and play installation processing operation upon acquiring one piece of device identification information including both printer and facsimile identification information

> Apparatus for limiting use of particular network address

> Image sensing apparatus having autofocus function, and method of controlling same

~ 00516