Expanding one's wings – The use of Irix Edge grey filters in landscape photography - Irix lenses were designed with both the effort and experience, of not only engineers, but also photographers.
Gradual Camera Lens Filter (Blue/Grey/Red/Orange) | Camera Drop
Filters For Black and White Photography
B+W neutral density filters for Long Exposure Photography
77MM Ultimaxx Professional Six Piece Gradual Color Filter Kit (Orange, Yellow, Blue, Purple, Red, Grey) for Camera Lens with 77MM Filter Thread and Protective Filter Pouch - Walmart.com
Using Filters for Black-and-White Photography
Sandmarc launches hybrid ND/polarization filters for smartphone cameras: Digital Photography Review
NiSi 100x150mm Nano IR Soft Graduated Neutral Density Filter - ND4 (0.6) - 2 Stop | NiSi Optics USA
A Complete Guide to Neutral Density Filters
long time exposure, ND filter plus camera app, Sony A7R wi… | Flickr
Get Longer Exposures With ND Filters | Learn Photography by Zoner Photo Studio
Filters
Neutral Density Filters — Neil Burnell
Film photography and Kase Filters with Lee Pengelly - Kase Filters UK
When to Use a Graduated Neutral Density Filter or Variable Neutral Density Filter for Landscape Photography
this is a nice filter that goes with black, grey, and white photos it'd be… | Vsco filter, Vsco themes, Photography editing