Filters
Browse all articles in filters
Graduated ND Filters: Hard Edge vs Soft Edge for Landscape Photography
Hard edge vs soft edge graduated ND filters explained: how transition shape, focal length, and field metering decide which GND balances bright skies naturally.
Magnetic Filter Systems Explained: Are Kase & Freewell Worth It?
A practical guide to magnetic ND and CPL filter systems: how Kase Revolution Plus and Freewell M2 compare, plus what stacking tests show about vignetting and color.
Step-Up & Step-Down Rings: Filter Thread Compatibility Guide (2026)
Learn how to match lens filter threads with step-up and step-down rings, avoid vignetting, and pick the right brass or aluminum adapter.
UV Filters & Lens Protection: Do You Need One?
UV filters don't sharpen digital photos — your sensor already blocks UV light. Here's when a filter genuinely protects your lens, and when it just gets in the way.
Lens Filters Guide: CPL, Polarizers & Landscape Filters
Choose the right lens filter for landscape photography: circular polarizers, ND, graduated ND, and UV — explained by use case, with picks for every budget.
Best Astrophotography Accessories: Trackers & Filters (2026)
Star trackers and light-pollution filters compared side by side, matched by payload, focal length and target — so you buy the right combination, not just a good spec sheet.
ND Filter Size & Fit Guide: 49mm to 95mm
Filter size is your lens's thread diameter, not its focal length. A size-by-size ND filter guide from 49mm to 95mm, with fixed and variable picks for each mount.
Best ND Filters: Fixed, Variable and Magnetic Picks
A neutral density filter cuts light so you can slow the shutter or open the aperture. Here is how fixed, variable and magnetic systems differ, and which models fit which kind of shooting.