# Assemble the illumination

In this section we are assembling the sample illumination. This is for transmission illumination.

## For this section you will need:

### Tools

- 1 2.5mm Ball-end Allen key

### Printed Parts

- 1 Upright condenser

### Printed Tools

- 1 Lens tool

### Sub-Assemblies

- 1 LED assembly

### Optical Components

- 1 Condenser lens

### Mechanical Components

- 1 M3 nut
- 1 M3x10 cap head screws

## Step 1: Push-fit the lens

- Place the Condenser lens on the lens tool flat side down
- Take the upright condenser and align the opening over the lens
- Push down until the lens clicks into place

## Step 2: Push-fit the LED

- Push the LED as far as possible up the hole in the side of mount of the condenser, it should fit securely

## Step 3: Add the condenser mounting screw

- Take an M3 nut and push it into the nut trap in the condenser mount from the top
- Take an M3x10 cap head screws and screw it into the nut, only screw a couple of turns about 5mm of thread should still be visible at this stage

## Step 4: Mount the upright condenser onto the main body

- Take the complete upright condenser and pass is through the bottom of the main body until the top of the condenser is in line with the stage.
- Insert the exposed mounting screw into the screw hole in the z-actuator of the main body.
- Insert the 2.5mm Ball-end Allen key through the teardrop shaped hole on the front of the microscope. Until it engages with the mounting screw.
- Slide the upright condenser up the keyhole until the top of the condenser is 2-4mm below the top of the stage while keeping the Allen key engaged with the screw.
- Tighten the screw with the Allen key to lock the optics in place.

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