# Optical set

Pyanodons item · internal name `lens` · stack size 100 · first craftable in tier 1 (pY science pack 1, [tier 1](https://factorio.kalzumeus.com/tier/1.md))
HTML page: https://factorio.kalzumeus.com/item/lens/

## Produced by (2 recipes)

### Optical set (`lens`)

- 3 s · tier 1
- Ingredients: 1 × [Boron trioxide](https://factorio.kalzumeus.com/item/boron-trioxide.md), 100 × [Molten glass](https://factorio.kalzumeus.com/fluid/molten-glass.md)
- Results: 3 × [Optical set](https://factorio.kalzumeus.com/item/lens.md)
- Made in: Glassworks MK 01, Glassworks MK 02, Glassworks MK 03, Glassworks MK 04
- Unlocked by: [Laboratory Equipment](https://factorio.kalzumeus.com/tech/lab-instrument.md)

### Optical set (`hotair-lens`)

- 3 s · tier 1
- Ingredients: 1 × [Boron trioxide](https://factorio.kalzumeus.com/item/boron-trioxide.md), 100 × [Molten glass](https://factorio.kalzumeus.com/fluid/molten-glass.md), 50 × [Hot air](https://factorio.kalzumeus.com/fluid/hot-air.md)
- Results: 4 × [Optical set](https://factorio.kalzumeus.com/item/lens.md)
- Made in: Glassworks MK 01, Glassworks MK 02, Glassworks MK 03, Glassworks MK 04
- Unlocked by: [Laboratory Equipment](https://factorio.kalzumeus.com/tech/lab-instrument.md)

## Used in (11 recipes)

- Laboratory instrument (`lab-instrument`, tier 1) → [Laboratory instrument](https://factorio.kalzumeus.com/item/lab-instrument.md)
- Laboratory instrument (`lab-instrument-2`, tier 4) → [Laboratory instrument](https://factorio.kalzumeus.com/item/lab-instrument.md)
- Nightvision (`night-vision-equipment`, tier 4) → [Nightvision](https://factorio.kalzumeus.com/item/night-vision-equipment.md)
- Ocula (`ocula`, tier 4) → [Ocula](https://factorio.kalzumeus.com/item/ocula.md)
- Laser turret (`laser-turret`, tier 5) → [Laser turret](https://factorio.kalzumeus.com/item/laser-turret.md)
- Grow basic alien bacteria (`bacteria-1`, tier 6) → [Alien bacteria](https://factorio.kalzumeus.com/fluid/bacteria-1.md)
- Simik den MK 01 (`simik-den-mk01`, tier 6) → [Simik den MK 01](https://factorio.kalzumeus.com/item/simik-den-mk01.md)
- Dielectric Mirror (`dieletric-mirror`, tier 7) → [Dielectric Mirror](https://factorio.kalzumeus.com/item/dieletric-mirror.md)
- Laser module (`laser-module-alt`, tier 7) → [Laser module](https://factorio.kalzumeus.com/item/laser-module.md)
- Optical parametric oscillator (`parametric-oscilator`, tier 7) → [Optical parametric oscillator](https://factorio.kalzumeus.com/item/parametric-oscilator.md)
- Ocula (`ocula-earth-sample-turd`, tier ?) → [Ocula](https://factorio.kalzumeus.com/item/ocula.md)