Hi! I am going to be buying a microscope for fecals. I am considering purchasing the AmScope B250: https://www.amscope.com/40x-1000x-l...croscope-w-3d-two-layer-mechanical-stage.html 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.