OMAX 50X-7875X Trinocular Ore Petrographic Polarizing Microscope with Bertrand Lens and Round Stage

This advanced trinocular polarizing microscope is an advanced microscope system specially designed for petrographic applications. It has two light sources: a 20W halogen Kohler transmitted light and a 50W EPI reflected halogen illuminator. The trinocular head inclines at 45-degrees and is 360-degree rotatable. The microscope assembly includes a bertrand lens for special polarized light analysis and a built in 1.25x auxiliary objective in the light path, further increasing the power of the microscope. The microscope offers five magnification settings with its included objectives and eyepieces, which are 50X, 125X, 312.5X, 500X, and 787.5X. Each of the four objective mounts offers centering adjustment. The circular stage is rotatable and accurate to 0.1 degrees using the vernier scale. The kit also includes many accessories for analysis and operation, such as a blue light filter for transmitted light, a green light filter for reflected light, three extra eyepieces with various reticles for counting, centering, or measurement, a mechanical stage attachment, and polarizing compensators for use with the Bertrand lens. This is a perfect microscopy system for mineral applications. It is an ideal instrument for those in mineralogy and/or geology areas.

Features:

• Capable of transmitted polarized light and reflected polarized light
• Circular rotatable stage with 360° angle graduations, accurate to 0.1° when using vernier scale
• Revolving quadruple nosepiece, with center adjustable objective mounts
• Built-in 1.25X auxiliary objective for increased magnification
• Polarizer, analyzer, Bertrand lens, and compensator plates included

Specifications:

• Total magnification: 50X - 125X - 312.5X - 500X - 787.5X
• Head: Trinocular, 45 ° inclined 360° rotatable, interpupillary adjustable, diopter rings on both ocular tubes
• Eyepieces: 10X (a pair of regular, and one with reticles, one with crosshair, and one with grids)
• Nosepieces: Quadruple, objective center adjustable
• Objectives: DIN strain free achromatic
  - 4X/0.10 160/-
  - 10X/0.25 160/-
  - 25X/0.40 160/0.17
  - 40X/0.65 160/0.17(s)
  - 63X/0.85 160/0.17(s)
  - Plan 25X/0.40 160/0
  - Plan 40X/0.65 160/0 (s)
  - Plan 63X/0.85 160/0 (s)
• Condenser: NA1.30 Abbe Condenser with iris diaphragm, condenser center adjustable, top lens can be swing out of the light path
• Stage:
  - Circular, diameter 160 mm
  - Rotatable, with 360° angle graduations and a vernier scale, accurate to 0.1°
  - Mechanical specimen holder: range 32mm x 27mm, removable
• Polarizer
  - For transmitted light: mounted beneath the condenser, rotatable with 360° angle graduations
  - For reflected light: fixed in the tube of EPI light path
• Analyzer: Slide in and out of the light path, 0°- 90° graduation
• Bertrand lens: Switch in and out of the light path, center adjustable, focus adjustable
• Compensators
  - Quarter-wave plate (1/4 λ plate)
  - Tint plate (1 λ plate)
  - Quartz wedge (Q plate)
• Focus adjustment: Coaxial coarse and fine adjusting knobs on both sides
• Illumination
  - Transmitted light: Halogen lamp, brightness adjustable, 12V/20W
  - Reflected light: Halogen lamp, brightness adjustable, 12V/50W
• Filters
  - Blue (for transmitted light)
  - Green (for reflected light)
• Power supply: 90V - 265V, 50Hz/60Hz

Packing List:

• 1 Trinocular microscope head
• 1 Microscope frame with base
• 5 Eyepieces: 2 WF10X/18, 1 10X with grids, 1 10X with crosshair, 1 10X with reticles,
• 8 Objectives: 4X, 10X, 25X, 40X(s), 63X(s) and Plan 25X, 40X(s), 63X(s)
• EPI illumination assembly
• 3 Compensators: 1 quarter-wave plate (1/4 λ plate), 1 tint plate (1 λ plate), and 1 quartz wedge (Q plate)
• 1 Mechanical specimen holder
• 1 C-mount attachment
• 1 Slide/specimen holder
• 1 Specimen plate
• 0.01mm calibration slide
• Color filters: blue and cyan
• Two Allen keys for objective center adjustment
• Extra halogen bulbs