OMAX M837L Series Oil Darkfield Trinocular Compound Microscope 40X-1600X Magnification with LED Illumination
Key Features
- 40X to 1600X expanded magnification range using high-quality, color-coded objective lenses, and 10X and 16X eyepieces for eight unique settings ideal for viewing cellular structures and microorganisms.
- Includes an oil darkfield condenser for intermediate and high magnifications. Darkfield observation will provide contrast in otherwise indistinguishable objects by highlighting changes in refractive index.
- The trinocular viewing head uses sliding interpupillary adjustment, and offers a dedicated phot port
- Two-layer mechanical stage with caliper and coaxial X-Y controls, and symmetrical coarse and fine focus knobs provide precision adjustments with an ergonomic design for an efficient workflow
- Built-in illumination uses an energy-efficient LED with brightness control, and an Abbe condenser with an iris diaphragm to improve contrast and depth
The M837L series compound microscope is a class leader offering professional features at an affordable price. This darkfield version provides an additional observation method to enhance contrast when viewing certain low-contrast specimens including unstained live cells. Along with the microscope's standard condenser used for brightfield observation, a specialized darkfield condenser is included.
Viewing Head
The trinocular viewing head has a comfortable 45° incline for viewing while seated or standing, and can be swiveled 360°. Ocular spacing can be easily customized using sliding interpupillary adjustment. Dual diopters allow both eyepieces to be focused independently. The trinocular photo-port adds a dedicated mounting tube for cameras. The 23mm tube is height-adjustable to fine-tune the focus to match the eyepieces. Its simul-focal design allows simultaneous use with both eyepieces so no switching is necessary.
Optics
The microscope is equipped with four objective lenses mounted on a rotating turret to quickly move through the various magnifications. The lenses use DIN international standards, and are achromatically corrected to improve clarity and color accuracy. They provide a magnification range from 10X to 1000X when used with the standard 10X eyepieces, ideal for viewing a wide range of specimens including cellular structures and bacteria. Additional 16X eyepieces are included to expand the maximum magnification to 1600X with 8 unique levels.
Objective Lenses
| Magnification | Corrections | NA | Immersion Medium | Cover-glass Thickness |
|---|---|---|---|---|
| 4X | achromatic | 0.10 | — | 0.17mm |
| 10X | achromatic | 0.25 | — | 0.17mm |
| 40X | achromatic | 0.65 | — | 0.17mm |
| 100X | achromatic | 1.25 | oil | 0.17mm |
Specimen Stage
The 2-layer mechanical stage provides smooth and precise movement for examination of specimen slides. The stage's low-position controls are conveniently placed near the coaxial focus knobs for a streamlined workflow. Examining specimen slides is intuitive and precise for users at any skill level. A convenient lever grouped with the left-side focus knobs can be used to lock and unlock the coarse focus adjustment to prevent damage to the lenses and specimen.
LED Illumination
The LED sub-stage lighting provides cool, energy-efficient illumination. The light-source is daylight balanced to produce natural colors. The Abbe light condenser has a high 1.25 numerical aperture for oil-immersion, and an iris diaphragm to optimize contrast and depth-of-field. The condenser holder uses rack-and-pinion height adjustment for precision control.
A sub-stage mirror is included as an alternate light source when electricity is not available. The mirror can be mounted on top of the illuminator’s field lens to direct ambient light into the condenser.
Darkfield
This model includes a darkfield condenser which can be used in place of the standard Abbe condenser to improve contrast and highlight certain details in low-contrast specimens. While certain specimens may be difficult to observe using brightfield illumination, darkfield exploits variances in specimen consistency by highlighting changes in refractive index. By avoiding a staining process, some live cells and microorganisms can be observed in their natural states. The condenser is compatible with oil-immersion to work with higher magnifications.
Packing List:
| Head Type | Trinocular |
| Illumination Type | Transmitted |
| Light Source | LED |
| Microscope Format | Upright |
| Objective Lenses | 4X, 10X, 40X, 100X |
| Ocular Diameter | 23.2mm |
| Optical Corrections | Achromatic |
| Optical System | Finite |
| Power Compatibility | 100-240VAC 50/60Hz |
Omax products are warrantied against
manufacturer’s defects in material and workmanship from the original date of
purchase, for the following years:
• Five Year Warranty for Microscopes: All our microscopes come with
a five (5) year factory warranty against manufacturing defects, covering labor
and parts.
• One Year Warranty for Binoculars: All our Binoculars come with a One (1) year factory warranty
against manufacturing defects, covering labor and parts.
• One Year Warranty for Accessories: All our microscope accessories (USB cameras,
illuminators, illumination, dust covers, and etc.) come with a one (1) year
warranty, except when specified in the description.
Warranty does not apply for
consumable accessories and parts such as bulbs, batteries, fuses, cords,
optical components or any add-on accessories such as mechanical specimen
holders that are not built into the microscope stage as an integral part of the
original manufacture, etc. Warranty does not cover microscopes, lenses cameras
or other accessories that have become inoperable due to dirt or damage due to
misuse or lack of maintenance.
Note: Buyers are responsible for return shipping and handling cost for warranty
services. Our warranty covers parts and labor only.
The M837L series compound microscope is a class leader offering professional features at an affordable price. This darkfield version provides an additional observation method to enhance contrast when viewing certain low-contrast specimens including unstained live cells. Along with the microscope's standard condenser used for brightfield observation, a specialized darkfield condenser is included.
Viewing Head
The trinocular viewing head has a comfortable 45° incline for viewing while seated or standing, and can be swiveled 360°. Ocular spacing can be easily customized using sliding interpupillary adjustment. Dual diopters allow both eyepieces to be focused independently. The trinocular photo-port adds a dedicated mounting tube for cameras. The 23mm tube is height-adjustable to fine-tune the focus to match the eyepieces. Its simul-focal design allows simultaneous use with both eyepieces so no switching is necessary.
Optics
The microscope is equipped with four objective lenses mounted on a rotating turret to quickly move through the various magnifications. The lenses use DIN international standards, and are achromatically corrected to improve clarity and color accuracy. They provide a magnification range from 10X to 1000X when used with the standard 10X eyepieces, ideal for viewing a wide range of specimens including cellular structures and bacteria. Additional 16X eyepieces are included to expand the maximum magnification to 1600X with 8 unique levels.
Objective Lenses
| Magnification | Corrections | NA | Immersion Medium | Cover-glass Thickness |
|---|---|---|---|---|
| 4X | achromatic | 0.10 | — | 0.17mm |
| 10X | achromatic | 0.25 | — | 0.17mm |
| 40X | achromatic | 0.65 | — | 0.17mm |
| 100X | achromatic | 1.25 | oil | 0.17mm |
Specimen Stage
The 2-layer mechanical stage provides smooth and precise movement for examination of specimen slides. The stage's low-position controls are conveniently placed near the coaxial focus knobs for a streamlined workflow. Examining specimen slides is intuitive and precise for users at any skill level. A convenient lever grouped with the left-side focus knobs can be used to lock and unlock the coarse focus adjustment to prevent damage to the lenses and specimen.
LED Illumination
The LED sub-stage lighting provides cool, energy-efficient illumination. The light-source is daylight balanced to produce natural colors. The Abbe light condenser has a high 1.25 numerical aperture for oil-immersion, and an iris diaphragm to optimize contrast and depth-of-field. The condenser holder uses rack-and-pinion height adjustment for precision control.
A sub-stage mirror is included as an alternate light source when electricity is not available. The mirror can be mounted on top of the illuminator’s field lens to direct ambient light into the condenser.
Darkfield
This model includes a darkfield condenser which can be used in place of the standard Abbe condenser to improve contrast and highlight certain details in low-contrast specimens. While certain specimens may be difficult to observe using brightfield illumination, darkfield exploits variances in specimen consistency by highlighting changes in refractive index. By avoiding a staining process, some live cells and microorganisms can be observed in their natural states. The condenser is compatible with oil-immersion to work with higher magnifications.
Packing List:
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