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Canon RF 15-35mm f/2.8L

IN STOCK!

Pro-grade ultra wide angle lens.

See also Canon RF 14-35mm f/4L and
Canon mirrorless wishlist
In stock as of morning of Oct 19.
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64GB, Intel Core i9 8-core, 2TB SSD
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Filter—Baader Venus Ultraviolet Pass

2008-03-01 updated 2010-01-09 - Send Feedback
Related: filters, infrared, spectral transmission, ultraviolet

Graphs are in nanometers. Visible light is approximately 390 - 650 nm (the human eye can see very weakly into the 700-800nm range). Graphs used by permission of Coastal Optical System.

Buying filters

A great source for filters at competitive prices is B&H Photo. Get filters at B&H Photo.

Spectral transmission — Baader Venus I Ultraviolet-pass

At first glance, the original “Venus I” filter doesn’t seem much different than the Venus II filter. Yet field reports from ultraviolet shooters indicate that the infrared-blocking performance of the Venus II is much improved.

Notice the “bump” near 780nm on the Venus I which is not present on the Venus II; this is the source of the infrared contamination that is so disliked— there is often many times more infrared present than ultraviolet, so even a small leak can overwhem the UV image.

Baader “Venus II” ultraviolet (visible/infrared block)

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Sony FE 24-70mm f/2.8 GM Lens
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