AICO 75/3.5 [v2]
Version 2 enlarger lens with silver body marked Anastigmat. Serials from 3xxxx to 11xxxx have a rather crude circular 10-blade aperture like Dia 75/3.5. The London-based Apparatus & Instrument Company Ltd were importers of various German and Japanese products.
|Focal Length (mm)||
|Max Aperture (f)||
|Min Aperture (f)||
|Flange-Focal Distance (mm)||
Moderate swirl on 35mm. Predictable cat-eye. Smooth/oily.
Version 2 has excellent resolution close up in Zone 1, but weak rendition in Zone 3, becoming unusable at distance.