This BRESSER Eyepiece Micrometer is compatible with the following BRESSER microscopes :
Science TFM-201 (5750800)
Science TFM-301 (5750900)
Science Infinity (5706700)
Science ADL-601F (5770500)
Science ETD 201 (5806200)
Science ETD 101 (5806100)
Eyepieces with micrometer scale are created for measurement of preparations. For calibration a micrometer slide would ne necessary. Two different micrometer slides are available. A micrometer scale with 10mm length (59-16700) and one with 1mm length (5916710).