PO0 Filter


PO0 filter absorbs wave length which causes chromatic aberration.


I tested PO0 filter with an achromat refractor telescope.

D=102mm, FL=1000mm, + Kenko MC7 telecon

Panasonic G5

Violet fringe appears.


Violet fringe appears.


Violet fringe disappears by PO0.



Automatic white balance setting of digital camera compensate green-yellow color of PO0 filter. 



PO0 filter ,automatic white balance setting