R. Monaghan's page is very nice, but that one about coatings is quite
bad IMNSHO.

An easy test will show that various MC and SC have much different
effects...

put a filter on your lens.

1) non-coated filter - BAAAD unless shooting without black coal in
black tunnel...

2) single coated filter - better, but still the lightsource forms a
image of reflection of itself on the film

3) MCs - the reflection of the lightsource is much much fainter, but
differs from manufacturer - the SMC filters are somewhat better in this regard
than e.g. Hoya HMC.

Of course the other things like lens design, baffling, especially
blackening of the edge of elements (!) and aperture design
(blackening, matte) have a major play in flare too,
but discounting multicoating is quite a crap. It's easy to distuingish
reflections from bad or best multicoating with overall flare level
from bad baffling. Speaking from experience with several same design
lenses that differed _only_ in their coatings, which made a lot of
difference.

Frantisek
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