Eyepiece

... across, contains hundreds of billions of stars, and is several million light-years away, and there were sometimes up to five of them at once in my eyepiece! Then add in the fact that, when the light we were seeing left those galaxies, mankind didn't even exist, and the sense of wonder is only deepened. ...

See entire post

it's 400x, because you have to factor in the eyepiece.

See entire post

You don’t need to worry about the UV penetrating all the glass, coating and filters between the objective and the eyepiece. But I did want to mention a problem with some older microscopes that use the big mercury-vapor lamps as a UV source. The housing for these lamps have openings ...

See entire post

... question is 'State the magnification of your drawing and show how you calculated it.' Would the magnification be MA = Mo x Me (magnification of eyepiece x magnification of object) or MA = Observed Length/Actual Length? Can anyone help me with which should be the right way? Because this was a ...

See entire post

We had to calibrate the eyepiece micromer today and determine the size of the cells of the following: spirulina, unicellular green alga, paramecium, amoeba wood (secondary xylem). I have messed it up. Now need to submit a report tomorrow ...

See entire post