Produk
- Astrographs
- Astrolab, danjon prisma
- Chronographs, astronomi, rakaman dan percetakan
- Helioscopes
- Jam astronomi
- Kamera, astronomi
- Kamera, satelit
- Meridian bulatan, bulatan azimuthal
- Peningkatan imej dan peralatan pengiktirafan corak, elektronik, balai cerap
- Reflektor, astronomi
- Refractors, astronomi
- Sextants
- Spectrographs, astronomi
- Spectroscopes, astronomi
- Teleskop, astronomi
- Theodolites, universal, astronomi (altazimuths)