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Other Procedures
20.2 Optional Accessory
• Diagonal eyepiece (DE23)
The diagonal eyepiece is useful for taking measurements in
confined spaces.
First remove the standard DL-502/503 eyepiece by turning it
counter-clockwise. Then, screw the diagonal eyepiece in
place of the standard eyepiece.
DL502-503.book 73 ページ 2010年4月5日 月曜日 午前9時47分