Upgrade the memory of your 2018 Mac mini up to 64GB
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!
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.
2019 iMac 5K
$5099 $2599
64GB, Intel Core i9 8-core, 2TB SSD
Refurbished, OWC warranty.
√ Same machine Lloyd uses!
(add $300 for 128GB memory)
More used desktop and laptop Macs...
64GB, Intel Core i9 8-core, 2TB SSD
Refurbished, OWC warranty.
√ Same machine Lloyd uses!
(add $300 for 128GB memory)
More used desktop and laptop Macs...
Filter—B+W 489 Infrared Cut
Spectral transmission graphs on this page were measured by Coastal Optical Systems on their equipment using single samples of the specified filters. Graphs used by permission.
Graphs are in nanometers. Visible light is approximately 390 - 650 nm (the human eye can see very weakly into the 700-800nm range).
Buying filters
A great source for filters at competitive prices is our trusted sponsor, B&H Photo. Get filters at B&H Photo.
Spectral transmission — B+W 489 infrared cut
No so effective at blocking infrared, with a very gradual “tail” well into the infrared range, passing nearly 50% infrared at 700nm.
This leakage is enough infrared to cause a red shift on IR-sensitive cameras like the Nikon D2H. It also passes shorter wave ultraviolet almost unimpeded.
Get the B+W 489 filter at B&H Photo.
B+W 489 infrared-block
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