OMAX 50X-787.5X Trinocular Ore Petrographic Polarizing Microscope with Bertrand Lens and 10MP Camera
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|Light Source Type||Halogen|
|Real Angle of View||45 Degrees|
|Item Weight||32 Pounds|
|Objective Lens Description||Achromatic|
About this item
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- 50X-125X -312.5X-500X-787.5X; Head: Trinocular, 45 degrees; inclined 360degrees; 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- 10X - 25X - 40X - 63X - Plan 25X- Plan 40X(s) - Plan 63X(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 360degrees; angle graduations and a vernier scale, accurate to 0.1degrees - Mechanical specimen holder: range 32mm x 27mm, removable; Polarizer - For transmitted light: mounted beneath the condenser, rotatable with 360anddeg; angle graduations - For reflected light: fixed in the tube of EPI light path
- Analyzer: Slide in and out of the light path, 0degrees;- 90degrees; graduation; Bertrand lens: Switch in and out of the light path, center adjustable, focus adjustable; Compensators - Quarter-wave plate (1/4 lambda plate) - Tint plate (1 lambda 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
- Digital camera: - true color 3584x2748 pixels (10M pixels) - 0.5X reduction lens to get larger field of view - 0.01 mm calibration slide: 1mm/100 division - Frame speed: 1.9fps at 3584x2748, 8fps at 1792x1374, 27fps at 896x684 - Software compatible with Windows XP/Vista/7/8/10, Mac OS and Linux operating system - Capturing microscope images, recording live video, measuring lengths, angles, areas, editing images - USB cable included; 5-year warranty against manufacturing defects
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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, a 10MP USB microscope camera and software, three extra eyepieces with various reticles for counting, centering, or measurement, a mechanical stage attachment, and polarizing compensators for use with the Bertrand lens. The digital camera captures still microscope images, streams live video preview to your computer, and is compatible with Windows XP/Vista/7/8/10, Mac OS X, and Linux (2.6 and later). The 0.5X reduction lens included gives your computer screen a wider field of view. The user-friendly software for Windows offers advanced features including Stitching, EDF (Extended Depth of Focus), video recording, and measurement functions. Live video and still image capture can be set in different resolutions simultaneously. This is a perfect microscopy system for mineral applications. It is an ideal instrument for those in mineralogy and/or geology areas.
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Apparently, my microscope did not have a sheet with notices and instructions for downloading the manual.
OMAX promptly contacted me after this original review and provided me with the appropriate information (Thank you!)
Fortunately, I did most things correctly.
Note the EPI Illuminater provided is different from the manual. You will still need the 3H hex for changing the bulb. Also the bulb centering is different but it is well marked on the housing. The comments regarding the camera are still true as the manual does not include camera instructions. But I figured that one out previously and have no problems using it.
I have the microscope in operation and am currently using it.
No Manual! I received the microscope in apparently good order but there is no manual for setting it up. I looked on the CD with it but is seems to only cover the camera and software with it.
I set it up logically as best I could and as best that I could remember from my Minerology courses. Some things are obvious: some things are not. A manual is desparately needed! I am hoping the Petrology Labratory manuals that I ordered will give me some clues as I haven't had Minerology since 1967! It seems to work well enough using the setup I gave it but I clearly need some more information.
The first obstacle that I ran into was whether or not to install a lamp. It is not immediately obvious how to install it. It turns out that it is only accessible using a 3H hex wrench which fortunately I had from other lab equipment (it is not provided with the microscope although the lamps are!)
Some of the components are preassembled and some are not. Even those which are preassembled are not fully set in the way that could be used without further attention. For example the Condenser lens was in the correct location but was loose and not usable as received. A bit of adjustment was required.
Then I had to figure out how to assemble the lamp housing and the trinocular components. Once I assembled them using the picture shown on Amazon when I purchased it, I had to figured out how the camera was placed on it. It turns out then you need to put in an adapter that is supplied but not marked as such! OUCH!
There still are components which I still haven't fully understood.
The software is fairly straight forward and I did not have any problem with it.
There some questions regarding calibration.
While the instrument does appear to be suitable, the lack of a manual makes the setup and initial operation something of a guessing game.