We selected most frequently used EFL (effective focal length) of the achromatic lenses as mounted parts, these pre-mounted lenses are easy to incorporate into your setup. The parameters of the mount size and thread are shown in the list below.
| Dia. tolerance: +0.0/-0.1mm | CT tolerance: ±0.2mm |
| EFL Tolerance: ±2% | Irregularity: λ/4 @632.8nm |
| Centration: 3~5′ | Surface Quality: 60/40 |
| Bevel : 0.2mmX45° | Coating : See details in the list |
