LIBERO – IR+ Filter

LIBERO is a high-performance infrared filter that enhances the infrared vision of the technical photography camera. This filter just selects the furthest part of the infrared spectrum that a modified camera can detect.
Features:
AOI 0°
OD5-OD6@300-1000nm
2 mm Fused Silica substrate
T@1050nm<=5%
T@1060nm=50%
T@1100nm>=96%

Lens adapter
The LIBERO filter is available in two sizes: 52mm and 72mm. It is designed to be mounted on the same magnetic support used by the filters in the Robertina filter set.
If you already own the Robertina filter set, the LIBERO filter will be compatible with your existing Robertina lens adapter. For those who don’t use the Robertina filter set, the LIBERO filter can be purchased with its own Robertina lens adapter.

High-performance infrared filter

Libero

From the Course: Reading Palimpsests, Imaging Methods 

Course: Reading Palimpsests – Imaging methods

In conclusion, Libero, the high-performance IR+ filter by CHSOS, significantly elevates technical photography for cultural heritage and art examination. By precisely selecting the farthest segment of the infrared spectrum that a modified camera can detect, Libero delivers enhanced infrared imaging—ideal for revealing hidden underdrawings, obscured text, and pigment details through infrared transmitted photography.
Whether applied to pigment analysis or historical document investigation, Libero ensures superior clarity and diagnostic insight.
Enhance your technical photography toolkit with Libero for professional-grade infrared capabilities tailored to art conservation and scientific examination.