BU1924F
BU1924F with 100X Swift oil immersion objective.
BU1924F with 100X Swift oil immersion objective. Oil on the chip.
Applied .13mm cover slip. Put oil drop on cover glass and lowered the objective to obtain a meniscus.
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It isn't that much extra work and there is a small degree of improvement in sharpness and contrast, but I may forgo using a cover slip.
Mike
BU1924F and an oil immersion test
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BU1924F and an oil immersion test
Michael Reese Much FRMS EMS Bethlehem, Pennsylvania, USA