Levenhuk 870T Biological Trinocular Microscope

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Magnification: 40–1000x. Infinity plan achromatic objectives, light source – LED 3W, stage with two specimen holders, Köhler illumination

Trinocular

The microscope head is a core element of the microscope that you look through to see a magnified sample

40 — 1000

How much the size of a sample increases when you observe it through a microscope

Laboratory/medical

Application and use of the microscope

Availability

Product ID	24613
Brand	Levenhuk, Inc., USA
Warranty	lifetime
EAN	5905555004471
Package size (LxWxH)	20.5x15.4x12.6 in
Shipping Weight	20.1 lb

Description

The Levenhuk 870T is a trinocular biological microscope for brightfield observations in transmitted light. It is used in different types of medical centers for urological, dermatological, biological, biochemical, anatomopathological, cytological, and general clinical laboratory research. The microscope can be equipped with a digital camera to output images to an external screen, take photos, and record video. The camera must be purchased separately and is installed in the trinocular tube.

The head can also be tilted 30°. This tilt is comfortable for long-term work. The interpupillary distance is adjustable. The eyepieces have a wide field of view, and so it is convenient for the user to work with large samples. Four plan achromatic objectives are mounted in a revolving nosepiece that is oriented toward the interior. In this position, you can see the objective, and the space above the table is free.

There is no positioning rack on the stage and that improves the ergonomics of the device. The horizontal stage knob is located low for user comfort. The specimen holder is designed for two samples. The focusing knobs allow for coarse and fine focusing adjustment. All of the stage movements are smooth with no jerkiness.

The light source is located under the stage and the Abbe condenser. The LED is brightness-controlled and is powered by 220V. Thanks to LED illumination, the resolution of the microscope is higher than that of analogs with halogen bulbs. Both aperture and field diaphragms make it possible to set up the Köhler illumination.

Key features:

For brightfield microscopy in transmitted light at magnifications from 40 to 1000x
Trinocular head with a vertical tube for mounting a digital camera
Plan achromatic objectives, wide-field eyepieces, revolving nosepiece oriented toward the interior
Light source: LED, Köhler illumination, powered by AC power supply
No positioning rack, two specimen holders, coarse and fine focusing
Retractable collector for easy LED replacement

The kit includes:

Microscope base, revolving nosepiece, condenser, stage, built-in transmitted light illuminator and power supply
Trinocular head
Plan achromatic objectives: 4x, 10x, 40xs, 100xs (oil)
Eyepiece WF10x/22 mm (2 pcs.)
Blue filter
Bottle of the immersion oil
AC adapter
Dust cover
User manual and warranty card

Caution: Please refer to the specifications table for the correct mains voltage and never attempt to plug a 110V device into 220V outlet and vice versa without using a converter. Remember that mains voltage in the U.S. and Canada is 110V and 220–240V in most European countries.

Some things you can see under a microscope:

The photo shows slides from Levenhuk ready-made specimen kits.

The Levenhuk 870T microscope is compatible with Levenhuk digital cameras (not included). Levenhuk cameras are installed in the eyepiece tube instead of an eyepiece.

specifications

Product ID	24613
Brand	Levenhuk, Inc., USA
Warranty	lifetime
EAN	5905555004471
Package size (LxWxH)	20.5x15.4x12.6 in
Shipping Weight	20.1 lb
Type	biological, light/optical
Head	trinocular
Optics material	optical glass
Nozzle	360 ° rotatable
Head inclination angle	30 °
Magnification, x	40 — 1000
Eyepiece tube diameter, mm	30mm (binocular head), 23.2 mm (third vertical tube)
Eyepieces	WF10x/22mm (2 pcs.)
Objectives	planachromat: 4x, 10x, 40xs, 100xs (oil immersion)
Revolving nosepiece	for 4 objectives
Interpupillary distance, in	2.2 — 3
Stage, mm	210x150
Stage moving range, mm	75/55
Stage features	with specimen holders, two-axis mechanical stage, without a positioning rack
Eyepiece diopter adjustment, diopters	±5
Condenser	Abbe N.A. 1.25
Diaphragm	built-in aperture and field
Focus	coaxial, coarse (24mm) and fine (0.002mm)
Body	metal
Illumination	LED
Brightness adjustment	✓
Power supply	110–220V (US type plug adapter is not included)
Light source type	3W LED
Light filters	blue
User level	experienced users
Assembly and installation difficulty level	easy
Application	laboratory/medical
Illumination location	lower
Research method	bright field
Pouch/case/bag in set	dust cover

References
and downloads

User manual: Levenhuk 800 microscopes (pdf)

(PDF, 29.16 Mb)

High-resolution images (zip)

(ZIP, 78.17 Mb)

click to
download

Video

Questions and Answers

Radovan Gofjar (2021.06.04)

We have many halogen bulbs on the market. G4 20W 6V, but they have various luminous intensity. One has 350 lm, another 320 lm, and there is one expensive with 760 lm. I tried 280 lm, but it's very low intensity I think. Is here any technical specification for bulb? Thanks for quick answer anyway :) And sorry for my english, I am from Europe.

Customer service:

Dear Radovan, thank you for interest in Levenhuk products. The main specification is 20W 6V. There is no limit for lm specification. Is there any additional information you might need?

Radovan Gofjar (2021.06.03)

Hi, can you help me - second time - what bulb type I need to use to replace old? I know just 6V 20W but what luminity? Thanks.

Customer service:

Dear Radovan, thank you for your inquiry.
What do you mean by luminity?

Radovan Gofjar (2021.05.19)

Hi, can I ask - is this microscope compatible with infinity objectives? Thanks.

Customer service:

Dear Radovan, thank you for interest in Levenhuk products. The microscope comes with a standard DIN 45. Is there any additional information you might need?

Maximus Gray (2017.11.20)

Do you have eyepieces suitable for this microscope with magnification over 20x?

Customer service:

Eyepieces with magnification over 20x are not available in our product range.

Maximus Gray (2017.11.19)

Can I obtain more than 2000x magnification by using additional optical accessories (Barlow lenses, objectives, eyepieces, etc.)

Customer service:

The microscope’s maximum magnification is 2000x. You can obtain higher magnification with more powerful eyepieces, but it can affect image quality.

nick (2017.10.07)

I want to buy a darkfield condenser for this microscope. I'm upset that this 870T doesn't come with a real darkfield condenser. Can you tell me the size of the condenser mount so I can add myself ?

Customer service:

Dear Nick, thank you for your inquiry. The size of the condenser should be the same as the size of the condenser on your microscope. We've requested the data from our product manager as well. The result will be provided shortly.

nick (2017.10.02)

how do I attach my c-mount camera to this ? (such as nikon 1 or m43 that has c-mount adapter attached)

Customer service:

Dear Nick, thank you for your interest in Levenhuk products. You just need to insert the camera to the tube. The diameter is 23.2 mm. So, if you have another size, you will need to use the adapter that can be purchased in your local camera store. We also have a big choice of microscope cameras. Is there any additional information you might need?

Terry Wells (2017.06.11)

Do I need to tint the bacteria while using a darkfield method? What is more efficient, tinting the bacteria or the darkfield method? If tinting is more efficient, which coloring should I use?

Customer service:

When studying the bacteria, you need to tint them in any case. Food colorings will be perfect.

Max Foster (2017.06.01)

Sorry for the frequent questions. What do I do if the oil spot on the immersion lens has dried?

Customer service:

Try to gently wipe the lens with the soft, dust-free cloth before trying to clean it with alcohol or other aggressive cleaning liquid. You can also use a piece of Styrofoam. First, remove the contaminated lens from the revolver. Rub the frontal lens with by tapping on it lightly with a piece of Styrofoam and turning it around. Dry foam material cleans the frontal lens from dirt (such as immersion oil) really well. You can easily check it by removing the eyepiece from the holder, turning it over and using it as a magnifying glass, keeping it at an acute angle over the front lens. You can simply see through this 10x magnifying glass if the front lens is clean or not. If not, repeat the procedure one more time. Then wipe the lens one more time, check it under the "magnifying glass" and put it back in place.

Willard (2017.05.30)

Can I attach the darkfield to the lenses with 40x and 100x magnification on this microscope?

Customer service:

Yes, you can do it with the trinocular Levenhuk 870T microscope

Max Colson (2017.05.28)

Hello. Could you tell me please how I can attach the light filters to this model? There isn't any advice in the instruction

Customer service:

Light filters are installed under the stage; there is a special niche for installing and fixing the light filters.

Colin (2017.05.14)

How can I observe objects in the darkfield without the condenser?

Customer service:

You will need an Abbe condenser or a darkfield condenser in order to observe the samples in the darkfield.

Jeremy Price (2017.05.14)

Hello. I have just bought the microscope, it's awesome, but I can't figure out if the camera is included in the set? If yes, how do I use it?

Customer service:

The Levenhuk 870T trinocular microscope is not equipped with a camera. A camera comes with a Levenhuk D870T microscope. You can also buy the camera separately here: https://www.levenhuk.com/catalogue/accessories/microscope-accessories/microscope-digital-cameras/

Rafael Lanscky (2017.03.05)

Could you tell me how to switch to the dark field mode?

Customer service:

Levenhuk 870T Biological Trinocular Microscope is not equipped with a dark-field condenser. An Abbe condenser is mounted. Dimming occurs due to the rotation of the condenser.

Adam Slater (2016.10.14)

can I replace the halogen lamp with a LED one?

Customer service:

Unfortunately, it is impossible.

Eric Johnson (2016.04.10)

There is a mirror in the kit but I didn't find any information on how to replace illumination bulb with the mirror...

Customer service:

The process of replacing illumination bulb with the mirror goes as follows: 1) Turn the microscope over and and unscrew locking screws at the sides to open the base 2) Unscrew four screws locking the ring, remove the ring and the lens 3) Close the base with the cover and lock it with screws 4) Turn the microscope back to its normal position and install the mirror

Ben (2015.11.11)

What upgrades or accessories are available (LED illumination instead/polariser/phase contrast etc??
Are the objective D.I.N. standard or infinity or other?

Customer service:

Dear Ben, Thank you for your question. Unfortunately we do not produce the mentioned accessories. The objective meets all the required standards. Is there any additional information you might need?

Emily Tate (2015.10.07)

Can I observe opaque objects with this microscope?

Customer service:

Levenhuk 870T Biological Trinocular Microscope does not have an upper illumination source, therefore, you can only observe transparent samples with it.

Mike (2015.02.08)

Hello! I'd like to know whether it is possible to replace the condenser on this microscope? I want to install another condenser (not the Abbe type).

Customer service:

Yes, theoretically, you can replace the condenser, but we don't have condensers suitable for Levenhuk 870T in our product range.

CRAIG (2014.06.23)

Can I connect this microscope to PC and observe images on the monitor?

Customer service:

Yes, you can connect the Levenhuk 870T model to your computer using one of our digital cameras for microscopes http://www.levenhuk.com/catalogue/accessories/microscope-accessories/microscope-digital-cameras/

Paula Hamilton (2014.03.08)

1) What's included in the kit of Levenhuk 870T? I can't find it anywhere in description
2) What's the difference between 870T and D870T, except the price?

Customer service:

Levenhuk 870T Biological Trinocular Microscope comes with: rotatable trinocular head; revolving nosepiece for four objectives; PLAN WF 10x and PLAN WF 20x eyepieces; 4x, 10x, 40x, 100x PLAN objective lenses; 140x155-mm stage; Abbe, 1.25 N.A. condenser with premium iris diaphragm and dark field condenser; user manual and lifetime warranty. With Levenhuk D870T Digital Trinocular Microscope you also get 8 Mpx digital camera for microscope, allowing you to capture images and record videos of observed samples.

Raul Foster (2014.03.03)

Hello! The manual says that achromatic objectives come with this microscope. So why did you write PLAN?

Customer service:

Currently, the Levenhuk 870T model comes with PLAN objectives.

Curtis Palmer (2014.03.03)

so why then in the manual is it written that achromatic objectives come with it?

Customer service:

Currently Levenhuk 870T Biological Trinocular Microscope comes with PLAN objectives, user manual will be updated soon.

Curtis Palmer (2014.03.03)

What do PLAN objectives mean??

Customer service:

Plan objectives feature excellent color rendering and produce less spherical aberrations than achromatic or Semi-Plan lenses and provide flat field of view up to 95% of produced image diameter.

Dustin Stovall (2013.09.29)

What's the difference between these objective lenses Objective lenses 4x, 10x, 40x, 100x PLAN
Objective lenses 4x, 10x, 40x, 100x OIL

Customer service:

100x PLAN - spring-loaded, immersion
100x OIL - immersion

Sarah Gutman (2013.09.13)

Please explain how to use this microscope at high magnifications?

Customer service:

Operation process is described in details in User Manual, it's available on-line on the product page on the References and Downloads tab. Or you can download it by clicking the link: https://loc.levenhuk.com/upload/uf/250/gin2a1m925y8wm9skbxwtiuyaita19er/lvh-microscopes-800-um-ml.pdf

Sandra Bess (2013.08.21)

Bought 970T from you. There is no user manual in the kit. The views are highly blurred when observing with 20x eyepieces. My questions - 1. where do I put filters? 2. why there is a mirror in the kit?

Customer service:

You can always find the User Manual on-line on our website on the product page on the References and Downloads tab. Filter should be placed in the filter holder on the diaphragm.
A mirror can be used as a light source instead of the lamp.

Sandra Bess (2013.08.18)

3. I am also interested in diameter of the third eyepiece

Customer service:

The third eyepiece’s diameter is around 1 inch.

Sandra Bess (2013.08.18)

1. is it possible to attach Canon 450D SLR to the third eyepiece of this microscope? 2. what kind of adapter is required for this?

Customer service:

Attaching SLR cameras is not supported by microscope construction. We suggest you use digital cameras designed specifically for this purpose: http://www.levenhuk.com/catalogue/accessories/microscope-accessories/microscope-digital-cameras/

Sandra Bess (2013.08.17)

1. then how to attach digital cameras you suggest to the third eyepiece if its diameter is 1 inch and camera adapters are 0.9-1.2 inches?
2. is a beam of light between binocular and the camera being controlled?

Customer service:

1. Trinocular has standard diameter. Adapters included in the kit are only needed for attaching a camera to the microscopes with another diameter.
2. Yes, a beam of light between binocular and the camera is controlled.

Darrell (2013.07.20)

Is it possible to insert illumination source in the third eyepiece to get quality images in reflected light?

Customer service:

Unfortunately, that cannot be done.

andrew hill (2013.07.09)

PLAN eyepieces is a good thing, but I was asking about objective lenses. The description on the site says: Objective lenses 4x, 10x, 40x, 100x PLAN, and at the same time it is stated in the user manual: DIN achromatic objective lenses.

Customer service:

Included in the standard kit of this model are PLAN objective lenses.

Sam Conwell (2013.06.29)

Hi! Do you have a C-mount adapter for attaching a digital camera to this microscope?

Customer service:

Unfortunately we don't have this adapter in our product range.

Steve Sumrall (2013.06.19)

Thank you, no need to explain anymore, I figured it out myself.

Customer service:

Thank you for your feedback.

Steve Sumrall (2013.06.19)

Please explain how to use immersion objective correctly. I mean for me it seems that I do everything exactly as it's said in manual: I drip immersion oil on the cover glass and lower objective lens so it touches the oil… but I can't see anything, only white spot. Maybe I need to apply some oil on the condenser as well?

Customer service:

The oil immersion objective (usually 100x or more) is designed for use with a drop of special oil, placed between it and the specimen. First you should focus on the area of specimen that you are going to observe using oil immersion objective. Then carefully place a drop of immersion oil on the cover slip over that area, and lower the oil immersion lens into place.

George Bates (2013.05.27)

Hello. Where can I buy oil of these two types - A and B? And which of them magnifies more or what's the difference between them? Thank you. Can a vegetable oil be used? I want to purchase Levenhuk_c800 camera and Levenhuk 870T Biological Trinocular Microscope. I need your guidance.

Customer service:

Unfortunately we don’t have immersion oil in our product range.
Type A is a classic immersion oil
Used as immersion liquid while working with apochromatic and achromatic objective lenses of microscopes of all types, except fluorescence microscopes, in visible spectrum.
Type B is a professional immersion oil
Used as immersion liquid while working with apochromatic and achromatic objective lenses of microscopes of all types, except fluorescence microscopes, in visible spectrum. Intended for microscopes with artificial illumination and image viewing system first of all. Compared to the classic immersion oil, immersion oil of B type has lower velocity and higher light transmittance.
No, vegetable oil cannot be used.
Do you want to process with the order?

andrew lane (2013.05.27)

Hello, is immersion oil included in the kit?

Customer service:

Yes, immersion oil is included in the kit of the Levenhuk 870T Biological Trinocular Microscope.

Tom Lynn (2013.05.25)

Are all of the objectives of this microscope PLAN???

Customer service:

Yes, all the objective lenses provided with the Levenhuk 870T Biological Trinocular Microscope are PLAN.

John Road (2013.04.26)

Will I be able to use Levenhuk C800 digital camera with this microscope?

Customer service:

Yes, of course, the Levenhuk C800 digital camera may be used with this microscope.

Bryan Robbins (2013.02.21)

Is this microscope appropriate for hematology analysis? if so is there a way of connecting it to PC and what equipment should I purchase for this? Would be very grateful for quick reply

Customer service:

Yes, the Levenhuk 870T Biological Trinocular Microscope is appropriate for hematology studies. To connect it to PC you need one of these microscope digital cameras: http://www.levenhuk.com/catalogue/accessories/microscope-accessories/microscope-digital-cameras/

Mary May (2013.02.20)

Is it possible to purchase additional eyepieces of 16x for this microscope from you (for example like the ones that come with Levenhuk 625)

Customer service:

Unfortunately we don't sell WF16x eyepieces separately.

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