|Description:||special highly UV transmissive lens (from ca 320nm) for UV, VIS and NIR photography. Calibrated to achieve sharp UV and IR focus. Useful from Infinity to close up (up to 1:1 and more using ext. tubes).
Lens is made on special order; info on request.
examples attached, left VIS, right reflected UV shot using that lens and a Baader 2" U-filter.