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Ken-A-Vision TU-19241C Comparison Scope 2 - Cordless Binocular Comparison Compound Microscope with Floating Stages for Forensics and Comparative Science; 10× Eyepiece; 2x, 4x, 10x, 40xS Obj.

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Specifications for this item
Number of Items
Overall Height
21  inches
Overall Width
15.5  inches
Part Number
Brand Name
Size Name
2 - 2×, 4×, 10×, 40×S, DIN achromat objective lenses
Overall Length
8.5  inches

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Key Features

  • Side-by-side compound microscope provides high magnification for biological use and forensic applications
  • Seidentopf binocular viewing head with 30-degree incline and variable width to ease eye strain and for a more comprehensive view
  • Two 10x widefield eyepieces with 3-position stop and 4x, 10x, and 40xS DIN achromatic lens objectives with humidity and climate control coating
  • Upper (incidental) and lower (transmitted) cool LED lighting with on/off switch and lower-level dimmer control
  • Independent coaxial coarse and fine focus on each base

Package Details

Shipping Weight: 32.55 pounds
Package Size: 31.2 x 20.7 x 16.3 inches

Product Description

The Ken-A-Vision T-19241C Comparison Scope 2 has two side-by-side compound microscopes, each with a reverse four-hole nosepiece with 2x, 4x, 10x, and 40xS DIN achromatic lens objectives that are connected by a bridge with a Seidentopf binocular head with a 30-degree incline and variable-width eyepieces, for side-by-side comparison of forensic samples, including shell casings, and hair and tissue samples. Samples can be viewed full field (individually) or side-by-side on a split screen at up to 400x magnification. Each microscope has separate upper and lower cool LED lighting that provide both incidental (upper) and transmitted (lower) light and separate on/off switches. Lower-level lighting has a dimmer control. Independent coaxial coarse and fine focus knobs provide sharp focus for viewing specimens. The DIN achromatic lens objectives have a humidity and climate control coating to protect lenses in harsh environments. The floating stage is mounted on a rack-and-pinion gearing system and has two spring-loaded clips to hold samples in place. The microscope bases have built-in, retractable handles for safe transport, NiMH rechargeable batteries for use away from power sources, and a single-cast aluminum body with a polymer coated base for strength and durability during daily use. The microscope includes two power supplies, a cover, and instructions.

Total optical magnification 400x
Eyepiece Two 19mm 10x widefield eyepieces with humidity and climate protection coating
Objective lenses 2x, 4x, 10x, 40xS, DIN achromatic
Viewing configuration Seidentopf binocular with 30 degree incline, 360 degree rotation, and interpupillary adjustment
Nosepiece Reverse 4-hole with 4-position ball-bearing actions stop and 360 degree rotation
Illumination Upper and lower LED cool lighting with on/off switch and lower-level dimmer control
Focus Low position coaxial fine and coarse focus knobs, rotating mechanism and torque adjustment of one coarse rotation from minimum to maximum stage height, 0.002mm fine focusing scale value
Stage Floating stage with two spring-loaded clips
Gearing Rack and pinion
*Overall dimensions 53 x 39.4 x 21.6 cm/21 x 15.5 x 8.5 inches (H x W x D)
Weight 11.2kgs/24.6lb.
Illumination power source Low voltage external power supply 120 ~ 240V 500mA, detachable with rechargeable battery
Certificates ISO:9001 – 2000, CE, CSA, RoHS

*H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.

Microscopes are instruments used to enhance the resolution of an object or image. Types include compound, stereo, or digital. Compound microscopes use a compound optical system with an objective lens and an eyepiece. Stereo microscopes show object depth in a three-dimensional image. Digital microscopes are used to display an image on a monitor, rather than looking through a lens. Microscopes can have monocular (one), binocular (two), or trinocular (three) eyepieces, with varying magnification abilities. Magnification ability refers to the size of an image. Resolution, also known as resolvant power, refers to the clarity of the image. The interaction between field of view (FOV), numerical aperture (NA), and working distance (WD) determines resolution. Microscopes can control magnification through a fixed focus, or through a range of adjustments. They can also utilize LED, fluorescent, and mirror light sources to help control viewing capabilities. Microscopes are widely used in education, lab research, biology, metallurgy, engineering, chemistry, manufacturing, and in the medical, forensic science, and veterinary industries.

Ken-A-Vision Manufacturing, founded in 1957 and headquartered in Kansas City, MO, manufactures educational products such as microscopes, cameras, and software.

What’s in the Box?
  • Microscope bases (2)
  • Eyepieces (2)
  • Power supply (2)
  • Binocular head
  • Bridge
  • Allen wrench
  • Microscope cover
  • Instructions

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