I tested the new filter (the DSLR clip in version) from within the city (many, too many Sodium and LED lights). I used the following:
Canon 1100D mod,
Canon EF 200mm f2.8L II USM,
HEQ5,
ExposureTime – 15 seconds
FNumber – 3.50
ISOSpeedRatings – 1600
the field of view, Saturn is the green circle
idas lps d2 design
clear, original
clear, edited as best as I could
with the filter, orig
with the filter, edited as best as I could
