Tools
Test Plates
Optical Design Data
- Lens Terminology
- Focal Length Formulas for Singlet Lenses & Mirrors
- Effective Focal Length of Two Thin Lenses
- F-Number (F/#)
- Numerical Aperture (N/A)
- Sagitta (Sag)
- Using Wedged Windows
- Selecting a Prism
- Waveplates
Optical Materials
- Borosilicate Glass, Bk7
- UV Grade Fused Silica (SiO2)
- Calcium Fluoride (CaF2)
- Magnesium Fluoride (MgF2)
- Crystal Quartz
- Silicon (Si)
- Germanium (Ge)
- Zinc Selenide (ZnSe)
- Zinc Sulfide (ZnS)
