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41 Posts
Discussion Starter · #1 ·

I am going to be buying a microscope for fecals. I am considering purchasing the AmScope B250:

Here is the description:

Our new binocular compound microscope is designed for teaching demonstrations, clinical examinations and laboratory applications. It is a perfect microscope for teachers and students including those in medical school or with a major in biology. It comes with a Siedentopf binocular head, double layer mechanical stage with course & fine focusing, and an LED illumination system. There are four magnification settings: 40X, 100X, 400X & 1000X. This microscope is an ideal instrument for bacterial, biological, and pharmaceutical researches.

Features :

  • 30 degree inclined 360 degree swiveling Siedentopf binocular head
  • High quality precise optical glass elements
  • Easy to attach a microscope camera or digital imager
  • Four magnification settings, 40X, 100X, 400X & 1000X
  • Four Achromatic objectives, DIN 4X, 10X, 40X(S), 100X(S,Oil)
  • Adjustable interpupillary distance
  • Adjustable ocular diopter
  • Variable intensity illumination
  • Coaxial coarse and fine focus adjustment
  • Focusing knobs are on both sides
  • Stage upward moving lock protects objectives and slides
  • Stain-resistant double layer mechanical stage
  • NA1.25 Abbe Condenser with iris diaphragm & filters
  • Rack and pinion adjustment condenser

Specifications :

  • Eyepiece: widefield, WF10X
  • Objective: Achromatic DIN 4X, 10X, 40X(S), 100X(S, Oil)
  • Head: 30 degree inclined 360 degree swiveling binocular
  • Interpupillary distance: 1-4/5" - 2-9/10" (48mm - 75mm)
  • Adjustable ocular diopter
  • Nosepiece: revolving quadruple
  • Mechanical Stage: 3-D double layer
  • - Size: 4-5/8" x 5" (118mm x 127mm)
  • - Travel Range (X-Y): 2-13/16" x 1-3/16" (70mm x 30mm)
  • Condenser: NA1.25 Abbe condenser with iris diaphragm
  • Illumination: LED light, transmitted, intensity adjustable, GS and CE approved
  • Focusing: coaxial coarse & fine knobs on both sides
  • Power Supply: 100-240VAC, 50/60Hz, AC/DC adapter (UL approved) Included. AAA Batteries (3, included)

Packing List :

  • One Siedentopf Binocular Microscope Head
  • One Microscope Body Frame with Double Layer Mechanical Stage and LED Illumination
  • Four DIN Standard Objectives, 4X, 10X, 40X and 100X
  • One Pair of Widefield 10X Eyepieces
  • Sample Immersion Oil
  • AAA Batteries (3)
  • Blue Color Filter
  • User's Manual
  • Net weight: 11 lbs
  • Shipping weight: 13 lbs

    In addition here are some more facts I have learned:
    • Has a metal frame
    • It is a compound brightfield microscope
    • It might not have a rheostat
    • It does have a stage limit stop/slip clutch
    • The rack & pinion, focus gears, and screws are metal
    • It is manufactured under the ISO 9001 Quality Control Standard
    • It comes with a 5 year warranty against manufacturer defects
    • It does not have infinity corrected objectives

      I think the actual size is 4½ x 9 inches. I also have a picture that shows exactly what parts of the microscope is plastic. What does everyone think about this microscope. Recommendations? I'd appreciate any advise.

41 Posts
Discussion Starter · #7 ·
What is a normal size for a microscope. This AmScope model is 13 inches tall and 4½ inches long. The "footprint" is 6½ inches x 5 inches.

This seems small to me. What does anyone else think?
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