Research
https://www.reddit.com/r/microbiology/comments/q5h8vv/what_is_considered_a_great_microscope_in_todays/
https://www.edmundoptics.com/knowledge-center/application-notes/microscopy/understanding-microscopes-and-objectives/
Requirements
From the research above I was able to settle on the following requirements
- Greater than 1000X
- Kohler light source
- infinity corrected optics
- Camera port
Selection
Amscope T720B https://amscope.com/products/t720b-hc2
Infinity Corrected Optical System with High Resolution
Fully Coated Optics with Crystal Clear & Sharp Images
Precise Mechanical Control System
Reversed Nosepiece Design
Kohler Illumination System with Field Diaphragm for Lighting Control
30-Degree Inclined, 360-Degree Swiveling, Compensation Free Trinocular Head
Eight Magnification Levels: 40X, 80X, 100X, 200X, 400X, 800X, 1000X, 2000X
Intensity-Variable Transmitted LED Lighting System
Abbe Condenser with Iris Diaphragm and Filter Holder
Rack and Pinion Adjustment for Condenser
Low Position Coaxial Stage Movement Controlling Knobs
Dual Side Coaxial Coarse and Fine Focusing Control
Adjustable Interpupillary Distance
Adjustable Diopter on Eyepieces
Durable Cast Alloy Frame with Stain Resistant Enamel Finish
Four Infinity Plan Objectives Included
Two Pairs of Extreme Widefield Eyepieces Included (EWF10X & WF20X)
Quadruple, Reversed, Extra-Large Nosepiece with Wide, Knurled Grip for Easy Operation
Large Double Layer Mechanical Stage with Stain Resistant Coating
Upward Stage Limit Stop to Protect Objectives and Slides
Manufactured under ISO 9001 Quality Control Standards
Excellent Five (5) Year Factory Warranty
Specifications :
Optical System: infinity corrected
Nosepiece: reversed, ball bearing quadruple
Head: gemel type trinocular head, 30-degree inclined
Eyepiece: high eye-point eyepieces, WF10X22mm, WF20X
Objectives: infinity plan objective 4X, 10X, 40X (spring), 100X (spring, oil)
Focusing: low position coaxial focus system
Focusing Range: 1-3/16” (30mm)
Interpupillary Adjustment Range: 2-3/16” - 3” (55-75mm)
Mechanical Tube Length: 6-5/16” (160mm)
Mechanical Stage: 8.5” x 5.9” (216mm x 150mm)
Stage Traveling Range: 2.9” x 2” (75x50mm)
Focusing Rang: 0.95” (24mm)
Division of Fine Focusing: 0.00003935” (0.001mm)
Illuminator: Built-in Kohler LED illumination system
Condenser: N.A. 1.25 achromatic condenser
Illumination: Kohler, LED
Power Supply: 90V-240 wide voltage, CE certified
Built in measurement capabilities
Weight: 28 lbs
Packing List :
One Trinocular Compensation-Free Head
One Microscope Body with Frame, Base, and Kohler Illumination System
Four High Quality DIN Plan Achromatic Objectives: 4X, 10X, 40X and 100X
One Pair of Widefield Eyepieces: WF10X
One Pair of Widefield Eyepieces: WF20X
One Dust Cover
One HDMI camera
One HDMI cable
Immersion Oil
User’s Manual
Purchasing
There is no reason pay top dollar for a microscope. You can find massive discounts on refunbised microscopes on ebay!
https://www.ebay.com/itm/381546384234?hash=item58d5efcb6a:g:9qkAAOSwPXFcFU2K