Olympus BX40 with Nanodyne LED

Read the Edited Video Transcript of ‘Olympus BX40 with Nanodyne LED’ Best Microscope for Pathology on a Budget

Hi, this is Chad with Munday Scientific. Today, we’re going to talk about the Olympus BX40 Mohs microscope. This unit is configured specifically for Mohs surgery or dermatology/pathology applications. It’s equipped with a 2X, 4X, 10X, 20X, and 40X objective.

Brian is going to join me as we walk through the features of this microscope.

This particular scope includes an ergonomic tilting head with 10X 22 mm field-of-view eyepieces. One of the eyepiece tubes features a diopter adjustment, which allows users with vision correction needs to fine-tune focus independently for that eye.

There’s also a built-in wrench stored conveniently in the frame. You can use this wrench to remove or replace the head by loosening the screw here. We’ll go ahead and take it off for demonstration purposes.

Note that on this BX40 microscope, the nosepiece does not slide out as it does on some newer models. Instead, it is bolted in with three screws right here. If you remove these screws, the entire nosepiece will detach—so only loosen them if you’re intending to replace the nosepiece.

This microscope features a fixed stage, as requested by the customer. They preferred it over a coaxial mechanical stage, which would normally have controls located here. Instead, they like to move the slide manually with their fingers.

Continue with ‘the ‘Olympus BX40 with Nanodyne LED’

One standout feature of this scope is the black base plate, which indicates that the original halogen light source has been upgraded to a Nanodyne LED light. The on/off switch is right here with a tactile click-stop. The LED is very bright and replaces all the old electronics inside, essentially making this a fully modernized microscope.

Let’s take a look at the back of the microscope. This is the Nanodyne LED module. We’ve hardwired it so that you can still use the original Olympus power cord, and the original power switch on the base still functions—just make sure it’s in the “on” position for the LED to work. The intensity control is built into the Nanodyne unit.

Now Let’s Go Over the Rest of the Components

We’re going to lower the condenser using this knob here. To remove the condenser, just loosen the thumbscrew and slide it out. This is a flip-out condenser, which includes a built-in diaphragm that opens and closes like this—you can see the blades moving here.

The flip-out top lens element is important when using the 2X objective. If you’re seeing a dark ring around the field of view, either the top lens element is flipped in, or you’re using the wrong condenser. For full field illumination at 2X, make sure the top element is flipped out or that you’re using the correct condenser.

We’ll raise the condenser back up now. This microscope also features a field diaphragm, which is essential for setting Köhler illumination. We’ll include a video link in the description to walk you through that process.

Final Notes on ‘Continue with ‘the ‘Olympus BX40 with Nanodyne LED’

Next, we have coarse and fine focus knobs. If your image slowly drifts out of focus, it’s likely the focus tension ringneeds adjustment. Watch here—if I move it and it keeps turning, that means the tension is too loose. If I turn the ring until it stops, that stabilizes the focus. This tension ring often gets accidentally adjusted when people turn the coarse focus knob and brush against it, so be mindful to only turn the outer coarse knob like this.

That’s pretty much everything on this Olympus Microscope.

This is an excellent microscope, especially if you’re working within a budget. At the time of this video, this complete configuration—with Nanodyne LED and 2X, 4X, 10X, 20X, and 40X objectives—is priced around $4,500. It’s one of our most popular models for Mohs surgeons and is a fantastic choice if you’re just starting your practice.

If you have any questions, feel free to email us at .

You can find us at microscopemarketplace.com if you’re interested in purchasing any of the BX40.

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