Adjustable magnification for any power in the range of 20X to 60X. Field width is 11/32" at 20X Nickel plated brass with black oxide. 4" long retracted; to 6 3/4: long extended, by 1 1/16" diameter. Shipping weight 12 oz.

Flat field quality optics without chromatic or spherical aberration.

The stereo body is fully rotatable to accommodate a variety of viewing positions.

These eyepieces will double the magnification range. Corrected for superior image, wide field of view and a high eyepoint. Price listed is per pair. Shipping weight 1 lb. per pair.

The supplementary lens attached to the bottom of the microscope nose piece doubles the magnification of range. Choice of lens depending on microscope model. Shipping weight 1 lb.

Developed by The Geological Society of Japan, this laminated chart is a great tool for use with the Polarizing Microscope.

These microscope slides are machine-made with a thickness and size useful in petrographic studies.

25 x 45mm cover glass of 0.13 to 0.16mm thickness for protecting mounted specimens on slides. Packaged 100 per box. Made in Germany. Shipping weight 12 oz.

Black vinyl covered wood frame storage box for slides. Box has numbered slots for storing 100 slides, with an index. Designed for the 27mm x 46mm or 26mm x 46mm slides. Dimensions: 9.6 x 5.4 x 1.2". Shipping weight 2 lbs.

Material Listing: water-worn sand; wind-worn sand; zicron sand; foraminiferous sand; Oolitic sand; diatomaceous earth; radiolarian earth; garnet, ground; emery, ground; carborundum, 220 mesh; carborundum, 600 flour; pumice powder, tripoli powder; quartz, ground; feldspar, ground; kaolin, ground; talc, powdered; vermiculite clay; asbestos, long fiber; asbestos, short fiber; graphite, powdered; precipitated calcium carbonate; biotite; crown glass; flint glass.