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XT Filters optical guides and photography field notes
ARTICLES

Filter Technique & Field Notes

Practical guidance on CPL, black mist and lens protection filters. Real tests, shooting tips, and thread compatibility.

23 ARTICLES
A photographer working in a dramatic mountain landscape
Black Mist

Black Mist 1/8 vs 1/4: How Much Glow Do You Want?

Stuck between a 1/8 and a 1/4 black mist? Why a 1/4 is the better first filter for soft glow, and when a 1/8 still makes sense.

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XT Filters XT996 PRO Black Frame Lens Protection Filter — illustrative image for “Leica 39mm vs 46mm vs Q3 49mm: Three…
Size Guide

Leica 39mm vs 46mm vs Q3 49mm: Three Threads, Three Filters

M and Voigtlander often 39mm, some lenses 46mm, Q3 43 is 49mm. Three threads, three filters. Ask before you buy 43mm.

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XT Filters Nano Cleaning Cloth for Lens UV Protection Filter — illustrative image for “How I Clean Coated Filters Without…
Care

How I Clean Coated Filters Without Scratching Them

No paper towels. Blow, drop of fluid if needed, nano cloth on the coating. Add a cloth to the filter order. Free shipping over $99.

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XT Filters XT996 PRO Black Frame Lens Protection Filter — illustrative image for “Fuji Filter Size: XF 27mm Is 39mm, X100…
Size Guide

Fuji Filter Size: XF 27mm Is 39mm, X100 Is 49mm

Do not mix them up. XF 27mm-class lenses are 39mm. The X100 needs an adapter, then 49mm. Wrong size will not thread on.

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XT Filters XT003 CPL Circular Polarizer Filter — illustrative image for “You Don't Need a Flagship CPL for Deeper Blue Skies”
CPL

You Don't Need a Flagship CPL for Deeper Blue Skies

Skies and water do not require a $190 polarizer. Start with XT003; step up to XT001 PRO when coatings matter more.

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XT Filters XT888 135 Bottom Black Mist 1/4 Filter — illustrative image for “Black Mist Isn't for Every Photo. Here's When I…
Black Mist

Black Mist Isn't for Every Photo. Here's When I Take It Off

Fog, architecture, product detail, already-soft lenses: mist makes them worse. Trust means saying when to unscrew it.

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XT Filters XT001 PRO CPL Circular Polarizer Filter — illustrative image for “What Lightroom Still Can't Fake: Polarizers…
Buying Guides

What Lightroom Still Can't Fake: Polarizers and Black Mist

Dehaze will not pull glare off water. Bloom from black mist is not an LR slider. Protection can wait; these two cannot be faked later.

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XT Filters XT925 Black Mist Filter — illustrative image for “Black Frame or Silver Frame on a Leica?”
Black Mist

Black Frame or Silver Frame on a Leica?

Silver bodies like a silver ring. Black paint Q likes black. Frame color is a Leica buying decision, not a spec sheet line. XT925.

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XT Filters XT996 PRO Black Frame Lens Protection Filter — illustrative image for “Fuji X100 Has No Filter Thread. After the…
Size Guide

Fuji X100 Has No Filter Thread. After the Adapter, It's 49mm

X100/V/VI has no native thread. After an adapter it's 49mm, not 39mm. 39mm is for other Fuji lenses such as the 27mm.

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XT Filters XT996S Lens Protection Filter — illustrative image for “How to Read the Filter Size Printed on Your Lens”
Size Guide

How to Read the Filter Size Printed on Your Lens

The ø on the front ring is the filter size, not the focal length. Can't find it? Email Leo the lens model and we'll match the mm.

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XT Filters XT925 Black Mist Filter — illustrative image for “When Street Lights Need a Different 1/4 Black Mist”
Black Mist

When Street Lights Need a Different 1/4 Black Mist

A 1/4 black mist works for daytime streets. At night, street lights need lower reflection, not a stronger grade. Here is why I swap to the XT925 1/4.

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XT Filters XT888 135 Top Black Mist Filter — illustrative image for “A Softer Black Mist for Portraits, Not Night Lights”
Buying Guides

A Softer Black Mist for Portraits, Not Night Lights

For portraits that look softer without turning street lights into a neon show, I'd start with the XT888 Top. Here's where the Bottom still wins.

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XT Filters XT003 CPL Circular Polarizer Filter — illustrative image for “CPL, UV, or Black Mist: Which Filter Do You…
Buying Guides

CPL, UV, or Black Mist: Which Filter Do You Actually Need?

Buy one filter first, not three. A UV or clear filter protects the front glass, a CPL cuts glare on water and glass, and black mist softens highlights.

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XT Filters XT996 PRO Black Frame Lens Protection Filter — illustrative image for “Not Every Clear Filter Fits a Leica or a…
Buying Guides

Not Every Clear Filter Fits a Leica or a Fuji

A generic clear filter often won't fit a Leica or a Fuji. It can catch half a thread, bind up, or stick out far enough to block the hood.

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XT Filters XT995PRO L39 Black UV Filter — illustrative image for “Keep the Hood On: Slim UV for Leica and Voigtlander”
Size Guide

Keep the Hood On: Slim UV for Leica and Voigtlander

Yes, you can keep the original hood on your Leica or Voigtländer, but only with a genuinely slim UV frame. A thick ring stops the hood locking.

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XT Filters XT003 CPL Circular Polarizer Filter — illustrative image for “How a Polarizer Turns White Water Clear”
Buying Guides

How a Polarizer Turns White Water Clear

Flat white glare hides the rocks and the green under the water. Here's how I twist a CPL to cut it, and when I take it off again.

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XT Filters XT925 Black Mist Filter — illustrative image for “Cinematic Glow on a Leica Without Looking Fake”
Black Mist

Cinematic Glow on a Leica Without Looking Fake

I put black mist on my Leica when I want the street lights to bloom, not when I want the whole night to go soft and grey. Here's the difference.

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XT Filters XT001 PRO CPL Circular Polarizer Filter — illustrative image for “Can You Stack a Black Mist and a Polarizer?”
Black Mist

Can You Stack a Black Mist and a Polarizer?

Yes, you can stack them. I put the mist first and the CPL outside it. Here are the 3 problems to watch for, and when not to stack.

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XT Filters XT888 135 Bottom Black Mist 1/4 Filter — illustrative image for “Black Mist 1/4 vs Stronger: Which Strength to…
Black Mist

Black Mist 1/4 vs Stronger: Which Strength to Use

Why choose a 1/4 black mist instead of 1/2 or heavier? Stronger grades destroy daylight contrast. Here is why 1/4 is the working line.

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XT Filters XT888 135 Bottom Black Mist 1/4 Filter — illustrative image for “The Black Mist Strength You Can Leave On All Day”
Black Mist

The Black Mist Strength You Can Leave On All Day

Is there a black mist you can screw on in the morning and leave on all day? For me it's the 1/4. Here's where it stops being invisible.

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XT Filters XT996 PRO Black Frame Lens Protection Filter — illustrative image for “Leica Q3 43: The Filter Size Is 49mm, Not…
Leica

Leica Q3 43: The Filter Size Is 49mm, Not 43

The Leica Q3 43 says 43 on the box, but the filter thread is 49mm. Buy a 49mm filter, and here's what fits under the square hood.

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XT995PRO L39 UV filter for camera lens protection
Buying Guides

UV Filter vs Clear Filter: Which Lens Protector Should You Use?

A clear filter only protects the glass. A UV filter also cuts UV haze below about 390nm. On digital the gap is small. Here's how I pick.

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Photographer using ND filters for long exposure waterfall photography
Camera filters

How to Choose the Right ND Filter: A Simple Guide for Photographers

You do not need a drawer full of ND filters. An ND cuts light so you can keep a wide aperture or slow shutter. Here is how I choose the right stops.

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