Standard Abrasives 877012, Unitized Mounted Point, 731 A21 x 1/4 in, 3M 7100074611 
Insize ISM-AD-0D75, CAMERA ADAPTERS, 0.75X, 6940561949858
$142.66
Fixed focus distance
23.2/30mm eyepiece adapter is included.
Suitable for digital cameras ISM-CM20, ISM-CM63, ISM-ZS70-S
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Insize 4809, U.S. STAND SHEET METAL GAGE, 0-36(.3125~.0070″), 6928640330162
$35.18