AmScope EP20 Series Microscope Eyepieces ²⁵ Ref:EP20X23-S Several mounting options are available

Several mounting options are available (see below)

More than 800 bibliographic entries accompany the text

pocket-size exploration of the world’s butterflies

Operational Vacuum Pressure 0 to 82

as well as up-to-date profiles of 84 of them

AmScope EP20 Series Microscope Eyepieces ²⁵ Ref:EP20X23-S Several mounting options are availableFeatures EP20X30F EP20X30E EP20X30 EP20X305 EP20X23 EP20X30F V374 EP20X23 S Magnification 20X Field of View 12 mm Super Wide 12 mm Super Wide 10 mm Super Wide Wide Field Wide Field 12. 5 mm Super Wide Wide Field Mounting Size (diameter) 30 mm 30 mm 30 mm 30. 5 mm 23 mm 30 mm 23 mm Focus Adjustment Adjustable No No No No Adjustable No High Eye point Design Yes Yes Yes No No Yes No California Prop 65