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Unfortunately LOMO MULTISCOPE™ TRH4-POL TRINOCULAR polarized light microscope is no longer carried by OpticsPlanet. You can also explore other items in the Microscopes category yourself to try and find the perfect replacement for you!

This model of LOMO Microscopes has been discontinued and is no longer available. Please visit our LOMO Microscopes page to see the whole collection of LOMO scopes or check out Microscopes section of our store.

LOMO MULTISCOPE™ TRH4-POL TRINOCULAR polarized light microscope Product Info

Do your applications require a qualitative polarized light microscope capableimage ofdocumenting your analyses via photograph? Then look no further than the LOMO®Multiscope™ TRH4-POL-V, or F/b>. The Multiscope™ TRH4-POLoffers an unsurpassed optical magnification range from 44x - 2,500x due to itsunique, built-in, 3-position magnification changer with 1.1x, 1.6x, and 2.5xpositions.  Combinethat with your choice of adapters for 35mm, video and digital cameras and justabout anyone can afford an excellent photomicrography microscope package. Thisis a great microscope for teachers, geology departments, food scientists,forensic science, quality assurance departments, hobbyists -- anyone who wouldlike to share or document polarized light images with others.

We believe theTRH4-POL is the best value in the world of photomicrography-ready microscopes.Sparkling RMS Achromat and Plan Achromat optics with a 33mm parfocal distance,an extensive array of included and optional accessories, and modest prices makethe Multiscope™ TRH4-POL an ideal choice when classic opticalperformance is required, but cost must be a consideration. Even at our low prices, all Multiscope™ TRH4-POL microscopesinclude a LimitedLifetime Warranty.

Do not confusethe LOMO TRH4-POL microscope with the cheaply made, low cost optics sofrequently seen in advertisements and retail stores. This is a ruggedly mademicroscope with serious imaging capabilities! Utilizing a precision circular,rotating and centerable stage, a glass polarizer and analyzer, and a highresolution optical system consisting of 4x and 10x plan achromats, 40x and 100xflat field achromats and a focusable 1.25 N.A. abbe condenser, the TRH4-POL willastonish you with its image quality and ease of use. Ready to use"out-of-the box", the TRH4-POL is capable of looking at hairsand fibers, thin sections of minerals, explosives, glass, asbestos, biologicalsand more!

MagnificationChanger - All trinocular Multiscopes™ come with LOMO's HT-30 trinocular head. The HT-30 includes a unique and versatile dial-in,field-flattening, magnification-changer capable of boosting magnifications by upto 250%! The rotating magnification changer has 4 positions. The first threepositions have magnification values of 1.1x, 1.6x and 2.5x, respectively.Therefore, with the standard 10x widefield eyepieces and the 4x objective, themicroscope can yield images with magnifications of 44x, 64x or 100x. Using the10x objective with the 10x eyepieces, the microscopes can yield imagemagnifications of 110x, 160x or 250x. Using the 40x objective produces 440x,640x or 1000x, and so on to the 100x oil immersion objective, which can producemagnifications of 1,100x, 1,600x or 2,500x. The fourth position of themagnification changer contains a Bertrand Lens. This useful device looks intothe objective back focal plane, which is beneficial for aligning the bulb in theoptical system, aligning phase rings for phase contrast, and looking atinterference figures using polarized light. Such a magnification range requiresan ultra-precise focusing system. The "FineWheel™" fine focuscontrol is ergonomically placed in the base of the microscope to limitunnecessary hand movement, and is coupled to one of the smoothest, most precisefocusing systems in the microscope industry.

The LOMO®TRH4-POL also includes a brilliant 12V/20W variable intensity illuminatorwith a centerable bulb, and a precision 12-leaf aperture iris diaphragm in thesub-stage condenser. A swing-out reduction lens on the condenser allows thecorrect illumination of the full field of view with all objectives ranging from4x to 100x. The built-in lamp housing sharply and evenly illuminates thespecimen, while the external, variable intensity power supply keeps anytransformer heat away from the microscope. 

Should you wishto "turbo-charge" your illumination to aid in high-magnificationobservations, or to add brightness to your sample's birefringence, a modestlypriced 6V/15W halogen Koehler illuminator may be purchased as an optionalaccessory.

The array ofoptional Multiscope™ accessories includes video and digital cameraadapters for photomicrography, an assortment of eyepiece reticles,contrast-enhancing and neutral density filters, phase contrast, darkfield andreflected light upgrades, special objectives - and much, much more! Just ask!

Note: Unfortunately,the TRH4-POL microscope does not include or accept compensator(retardation) plates. It is strictly designed to be a qualitative polarizedlight microscope, and we apologize for the inconvenience. It is possible,however, to purchase small sheets of retardation film and insert them into thelight path by hand to simulate the effect of compensators. If you need a polarized light microscope capable of using and accepting compensators, thenplease ask us about the POLAM series of polarized light microscopes. Ifyou have any questions, please emailus.


  • Education: Biology, Chemistry, Zoology
  • Health/Environmental: Asbestos and IAQ
  • Geology: Rock Thin Sections and Minerals
  • Forensic: Trace evidence examination, Hair and Fiber ID, Glass analysis

Howdo I know what model to buy? See if our chart below can point you in the rightdirection. Still unsure, or want us to recommend a solution for your needs? Thensimply drop us a message customercare@opticsplanet.comfor professional advice and/or a quotation for a system that will meet both yourneeds and your budget. TRH4-POL-V:this configuration includes a 1x C-mount adapter (#VA-VAV2) most commonly usedfor attaching 1/3" and 1/2" C-mount video and digital CCD cameras. Need aC-mount with less magnification than 1x? Then we would recommend the TRH4-POL-Eand one of LOMO's 0.3x or 0.5x C-mount adapters. See below. TMH4-POL-F:this configuration includes a 2.4x T-mount adapter (#VA-VAF2) for 35mmphotomicrography. If you do not have a camera that accepts T-mount lenses, thenyou will need to purchase a simple thread adapter. They are readily availablefrom photo shops such as Wolf, or Ritz, etc. and are usually around $10-$15. Forexample, you would like to place your Canon 35mm camera on the TRH4-POL-F.You would need to purchase a "Canon to T-mount" adapter, and then you canthread your camera directly onto the phototube of the microscope.

OPTICAL SYSTEM: 160mm Mechanical Tube Length, 33mm Parfocal Distance, 28X-1500X Magnification for observation
HEAD Trinocular 30° inclined, 360° rotatable. Magnification changer (1.1X, 1.6X, 2.5X). IPD adjustment range: 55mm-75mm. DA for the left eyepiece: ±5dpt. Built-in optical path selector and Bertrand lens.
STAND UniFrame™ • Observation head universal dovetail mount. Accepts heads, Epi-Illuminators, and photo-attachments.

• Dovetail nosepiece mount. Allows the use of an interchangeable nosepiece or an Epi-Objective adapter.

• Centerable condenser mount. Rack-and-pinion focusing with tension adjustment and safety stop.

• Condenser vertical movement: 22mm.

• Sturdy and stable base with four rubber feet.

• Chemical- and scratch-resistant finish.

FOCUSING Coarse Two large knurled knobs. Built-in slip clutch mechanism. Tension adjustment. Travel range: 42mm
FineWheel™ Large knurled disk built into the base. Adjustment range: 2.5mm with 0.45mm of vertical travel per full revolution.
NOSEPIECE Quadruple Built-in precision click stops for parfocality and parcentricity of the objectives. Dustproof. Chrome plated.
STAGE Rotatable Round, 360° rotatable, centerable stage. Size: 122mm. Two integral centering knobs and locking screw. Knurled edge for comfortable grip. Two specimen clips.
CONDENSER Brightfield N.A. 1.25, Abbe type. Spherically corrected. Built-in aperture diaphragm and swing filter holder.
ILLUMINATION Variable Halogen Built in, 12V/20W. Easy bulb replacement and filament alignment. Internal heat-absorbing filter. External power supply for additional safety and cooler operation.
OBJECTIVE EAB Achromats (4) 4 X 0.12, 10 X 0.25, 40 X 0.65 (spring loaded), 100 X 1.25 Oil Immersion (spring loaded)
EYEPIECE ESW Series (2 pc) 10X, F.N. 18 Widefield. High eyepoint.
POLARIZING Polarizer 360° rotatable, graduated in 45° increments. Mounts onto the illuminator housing.
Analyzer 360° rotatable. Mounts onto the observation heads.
FILTERS Diffusing 33mm.
Blue 33mm.
Miscellaneous Instruction manual, dust cover, spare bulb, immersion oil (Type A, 1/4 oz)

LOMO MULTISCOPE™ TRH4-POL TRINOCULAR polarized light microscope Related Products

LOMO MULTISCOPE™ TRH4-POL TRINOCULAR polarized light microscope Unorderable Models

LOMO MULTISCOPE™ TRH4-POL TRINOCULAR polarized light microscope, Vertical Adapter with PA-VAF2 Photo Tube Adapter for HT-30, T-mount, 2.4X, MPN: TRH4-POL-F, Code: LA-MI-TRH4-POL-TRH4-POL-F
LOMO MULTISCOPE™ TRH4-POL TRINOCULAR polarized light microscope, Vertical Adapter with VA-VAV2 Video (C-Mount) Adapter for HT-30, MPN: TRH4-POL-V, Code: LA-MI-TRH4-POL-TRH4-POL-V

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