Microscope Rental or Purchase, Summaries of Optics

If you wish to rent a microscope from I. Miller Precision Optical Instruments, Inc., please complete the. Microscope Rental Form and return it to I. Miller ...

Typology: Summaries

2022/2023

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Microscope Rental or Purchase
You WILL need a microscope for your first two years. You WILL NOT need a microscope during your third
and fourth year. Therefore, we suggest you rent a microscope rather than purchase one.
If you wish to rent a microscope from I. Miller Precision Optical Instruments, Inc., please complete the
Microscope Rental Form and return it to I. Miller directly. The link to the Form will be emailed to you by
the Office of Student Affairs.
You will need a microscope on the first day of Class. You may:
1. Rent/Purchase a new microscope which meets our requirements;
2. If you have a microscope which is used and meets our requirements, you must bring it with you
to student orientation for approval by the microscope committee;
3. If you do not have a microscope, you may rent a microscope from I. Miller (cost $399.00 for a
two-year rental which includes a $75.00 refundable deposit).
The cost of new microscope ranges from $800.00 - $1,000.
General Information Concerning a Required Microscope
One of the requirements of the Veterinary School is that each student provide himself or herself with a
microscope of good quality, suitable for use in histology, microbiology, pathology, parasitology, etc. The
microscope will be needed during the first two academic years.
Two methods of procurement are commonly used by the student body: purchase or rental. The School
has selected a vendor to help you rent a microscope.
In considering the purchase of the microscope, you should carefully avoid several categories. Very old
microscopes are usually unsatisfactory because of wear and insufficient accessories. Very inexpensive
microscopes are almost always of insufficient quality. Research microscopes are so complex as to be
undesirable for routine practice. "Laboratory" microscopes or the "student" scopes of the larger
manufacturers are generally of good quality and are usually acceptable. It may seem obvious, but you
"get what you pay for." An inexpensive microscope is likely to cause you problems.
All microscopes for student use must be approved by the microscope committee.
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Microscope Rental or Purchase

You WILL need a microscope for your first two years. You WILL NOT need a microscope during your third and fourth year. Therefore, we suggest you rent a microscope rather than purchase one.

If you wish to rent a microscope from I. Miller Precision Optical Instruments, Inc., please complete the Microscope Rental Form and return it to I. Miller directly. The link to the Form will be emailed to you by the Office of Student Affairs.

You will need a microscope on the first day of Class. You may:

  1. Rent/Purchase a new microscope which meets our requirements;
  2. If you have a microscope which is used and meets our requirements, you must bring it with you to student orientation for approval by the microscope committee;
  3. If you do not have a microscope, you may rent a microscope from I. Miller (cost $399.00 for a two-year rental which includes a $75.00 refundable deposit).

The cost of new microscope ranges from $800.00 - $1,000.

General Information Concerning a Required Microscope

One of the requirements of the Veterinary School is that each student provide himself or herself with a microscope of good quality, suitable for use in histology, microbiology, pathology, parasitology, etc. The microscope will be needed during the first two academic years.

Two methods of procurement are commonly used by the student body: purchase or rental. The School has selected a vendor to help you rent a microscope.

In considering the purchase of the microscope, you should carefully avoid several categories. Very old microscopes are usually unsatisfactory because of wear and insufficient accessories. Very inexpensive microscopes are almost always of insufficient quality. Research microscopes are so complex as to be undesirable for routine practice. "Laboratory" microscopes or the "student" scopes of the larger manufacturers are generally of good quality and are usually acceptable. It may seem obvious, but you "get what you pay for." An inexpensive microscope is likely to cause you problems.

All microscopes for student use must be approved by the microscope committee.

This may be automatically accomplished by purchasing a new instrument that meets our minimum requirements.

Alternatively, if you purchase a used model, you must offer your instrument for examination and approval to the Microscope Committee, at Orientation. To protect yourself, purchase of any used microscope should be made conditional, subject to acceptance by the Committee. An acceptable microscope is required on the very first day of class and any student who has procured an unacceptable microscope will be required to replace it with an acceptable model.

During Orientation, the Microscope Committee will answer any questions that you ask concerning the use or purchase of microscopes.

Part I. Minimum Requirements:

  1. Four good quality achromatic objectives with approximate magnifications as follows: 2.5-5X, 10X, 40X, 100X (oil immersion). All objectives should be parfocal within 10-20 microns. Spring-loaded 40X and 100X objectives are highly recommended.
  2. Focusable condenser (numerical aperture of 1.0 or greater) equipped with an iris diaphragm. This should fully and evenly illuminate the field as seen through the 2.5-5X objective.
  3. Binocular, preferably 10X, with a pointer.
  4. Variable intensity substage illuminator (transformer controlled).
  5. Sturdy microscope stand with focusing elements and fittings in good mechanical condition.
  6. Mechanical stage, calibrated or uncalibrated. A mechanical stage can be attached to most used or old microscopes.

Part II. Optional Equipment:

  1. Objectives more highly corrected that the standard achromats (e.g., flat or wide-field objectives) may be of interest to students on a liberal budget. Apochromats are very expensive and unnecessary except for photographic and research applications.
  2. Wide field, high eye-point oculars, while worthwhile for all, are especially useful to those who normally wear glasses.

The following additional suggestions are offered to those students planning to buy new or used microscopes:

A. General:

  1. When a new microscope is purchased, liberal arrangements should be made for the replacement of any defective parts and for refund of the purchase price if the instrument is generally unsatisfactory.

b. Examine a slide containing small opaque particles. Such a slide can be made by shaving a small amount of carbon from a lead pencil into a drop of balsam and covering it with a good quality coverslip. The image of such particles should be jet black, should have sharp edges, should remain in best focus as the slide is moved across the field and should show no color halos at the edges of the field