The Schneider Center Filter for 90/5.6,120/8 is designed to correct illumination falloff on the Super Angulon 90/5.6 and 120/8 wide angle lenses.

• This camera center filter has a filter factor of 3x in the centre (1.5 stops) and clear edges
• These Schneider center filters have a mounting thread of dimensions 82mm x 0.75, and an accessory thread of dimensions 105mm x 1.00 in case you want to attach additional filters in front 
  

This is a center filter used to correct illumination falloff on the Super Angulon 90/5.6 and 120/8 wide angle lenses.

It has a filter factor of 3x in the center (1.5 stops) and is clear at the edges. The mounting thread is 82mm x 0.75 and additional filters can be attached in front,
using the 105mm x 1.00 accessory thread.