C & A Scientific Premiere MRJ-03L Siedentopf Binocular Compound Microscope, WF10x Eyepieces, 40x-1000x Magnification, Brightfield, LED Illumination, Abbe Condenser, Iris Diaphragm with Blue Filter, Mechanical Stage, 110V or Battery-Powered

Price: $215.00
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Manufacturer Description

The C & A Scientific Premiere MRJ-03L Siedentopf Binocular Compound Microscope has a pair of 10x widefield eyepieces, a reverse-mounted nosepiece with four DIN objectives, LED illumination, nested coarse and fine focus, a 1.25 NA Abbe condenser with iris diaphragm and blue filter, and a mechanical stage. The Siedentopf binocular head has a pair of eyepieces with interpupillary adjustment, a fixed inclination to reduce eye and neck strain, and rotation capability to provide a more comprehensive view and enable sharing. A Siedentopf binocular head enables the viewer to change the interpupillary distance without changing the tube length, eliminating the need to refocus the image. A reverse-mounted nosepiece keeps objectives out of the way to prevent damage and contamination, and to enable more secure slide handling. The 100x objective is an oil objective that provides increased resolution over a standard objective. A compound microscope is used for inspection and dissection of specimens when two-dimensional images are desired.

The microscope has lower (diascopic) brightfield illumination that transmits light up through the specimen for enhanced visibility of translucent and transparent objects. Brightfield (BF) illumination allows the specimen to absorb light, resulting in a dark image on a light background. The LED light source provides bright, cool light for working with temperature-sensitive or live specimens, and operates on AC power or on a rechargeable battery for cordless operation. A rheostat controls the amount of light emanating from the lamp. It has an Abbe condenser that can be adjusted to control the distance of the light from the stage, an iris diaphragm to optimize the amount of light illuminating the specimen, and a blue filter to help naturalize the light. The mechanical stage locks the slide into place and provides precise slide manipulation along the X- and Y-axes. Coaxial coarse and fine focus knobs are nested to speed focusing for left-and right-handed viewers.

Microscope Head and Optics Specifications
HeadBinocular, Siedentopf
Magnification range40x-1000x
Head inclination30 degrees
Interpupillary adjustment55 to 75mm
EyepiecesWF10x
NosepieceReverse-mounted
Objectives, DIN4x, 10x, 40x, 100x (oil)

Microscope Illumination and Stage Specifications
Focus typeCoaxial nested coarse and fine
Condenser1.25 NA Abbe
Light sourceLED with rheostat, 4.5V
DiaphragmIris
Illumination typeBrightfield
Stage typeMechanical
Stage dimensions120 x 125mm (W x D)
Power110V or rechargeable battery

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.

C & A Scientific manufactures and distributes medical and educational products. The company, founded in 1988, is headquartered in Manassas, VA.

What's in the Box?

  • C & A Scientific Premiere MRJ-03L Siedentopf Binocular Compound Microscope
  • (2) WF10x eyepieces
  • 4x DIN objective
  • 10x DIN objective
  • 40x DIN objective
  • 100x (oil) DIN objective
  • Blue filter
  • Spare bulb
  • Spare fuse
  • Immersion oil
  • Dust cover

Product Features

Compound microscope provides high magnification for biological use and educational applications Siedentopf binocular head with pair of 10x widefield eyepieces, 55 to 75mm interpupillary adjustment, fixed 30-degree vertical inclination to reduce eye and neck strain, and 360-degree rotation capability to provide a more comprehensive view and enable sharing Nosepiece with 4x, 10x, 40x, and 100x (oil) objectives is reverse-mounted to keep objectives out of the way to prevent damage and contamination Brightfield, LED illumination with rheostat and 1.25 NA Abbe condenser with iris diaphragm and blue filter for clear examination and light control Mechanical stage locks slide into place and provides precise slide manipulation along the X- and Y-axes, and coaxial nested coarse and fine focus knobs speed focusing

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