ALPA of Switzerland - Manufacturers of remarkable cameras

Schneider center filter IIa

Exposure correction 2 EV = 2 f-stops.

for Apo-Digitar 5.6/24 mm XL

for Apo-Digitar 5.6/35 mm XL

for Super-Angulon 5.6/38 mm XL and Apo-Switar 5.6/36 mm

for Super-Angulon 47 mm XL

for Apo-Digitar 47 mm XL

for Apo Helvetar 5.6/48 mm, Super-Angulon 5.6/58 mm XL and Super-Symmar 4.5/80 mm XL Aspheric

for ALPA AAA Apo Alpar 35/45/55, ALPA HR Alpagon and HR Digaron-W 40/50

for ALPA HR Alpagon 5.6/23 mm and HR Digaron-S 5.6/23 mm