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SPOTLIGHT
Optical Brighteners in Paper: What They Change in an Art Print

Learn how optical brighteners change paper white under UV light, what OBA-free means, and why neither label predicts print lifespan.

Christopher Abbott

Christopher Abbott

November 01, 2026 · 8 min read

The Printery Press Blog

Printery Press Articles

Folded white paper forms a mountain landscape glowing blue-white beneath an arc of incoming violet light.
ARTIST RESOURCES

Optical Brighteners in Paper: What They Change in an Art Print

Learn how optical brighteners change paper white under UV light, what OBA-free means, and why neither label predicts ...

Curled photographic negative on scanner glass with rainbow Newton rings at a near-contact point.
ART PRINTS

Newton Rings in Scans: What to Fix Before Printing

Learn how to tell Newton rings from moiré, correct film-to-glass contact, and make a cleaner scan before sending a ph...

Printmaker inspects a red-and-blue layered botanical screenprint beside screens, inks, and a squeegee in a working studio.
ART PRINTS

What Is Duotone Printing, and Can an RGB File Reproduce the Look?

Learn how two physical inks form a true duotone and how an RGB pigment print can reproduce the look through a differe...

A printmaker incises a small bird-and-plant sketch in the margin of a copper plate beside a larger landscape.
ARTIST RESOURCES

What Is a Remarque Print, and What Has the Artist Added?

A remarque may be printed from a worked plate or stone, or drawn on a finished reproduction. Learn what the artist ad...

Curled textured paper transitioning from warm watercolor washes to crisp black ink patterns.
ARTIST RESOURCES

Can You Print on Watercolor Paper? Artist Paper vs. Inkjet Paper

Learn when watercolor paper works in an inkjet printer, why coated fine art paper prints better, and when to use a pr...

Enlarged pixel-art mountains and a winding turquoise river rendered in crisp square color blocks.
ART PRINTS

How to Print Pixel Art Without Smoothing Away Its Square Edges

Preserve crisp square pixels in print by using nearest-neighbor scaling, whole-number multipliers, and a size that fi...

Artist painting a muted gouache still life of a jug and fruit with soft shadows and selective edges.
ART PRINTS

How Can Gouache Artists Keep Velvety Color From Looking Chalky in Print?

Find whether a chalky gouache reproduction needs a better capture, a different print surface, or a careful file adjus...

Macro view of pink flower petals with soft garden bokeh and a faint luminous seam along a sharp petal edge.
FILE PREP

How Can Photographers Remove Focus-Stacking Halos Before They Become Obvious in Print?

Learn how to spot stacking-mask errors, repair halos at depth boundaries, and judge the corrected file at its planned...

Fog fills a mountain valley as layered ridges recede behind defined foreground pines and rocks.
COLOR & PROOFING

How Can Landscape Photographers Print Fog Without Losing Its Depth?

Preserve depth in foggy landscape prints with careful tonal separation, selective local contrast, output sharpening, ...

Pedestrians, clouds, and city buildings reflect across a glass facade, overlapping interior chairs behind dark mullions.
ART PRINTS

Why Can Reflections in Glass Buildings Merge With the Interior When Printed?

Learn why reflections and interiors can merge in glass-facade prints, then preserve depth with selective tone, color,...

Sweeping orange, rust, and blue-gray drybrush trails create rhythm across an abstract painterly composition.
ART PRINTS

How Can Artists Reproduce Drybrush Marks Without Turning Them Into Digital Speckles?

Learn how to preserve directional drybrush marks, remove confirmed defects, and judge texture at the size the artwork...

Sunlit neutral living room with large black-framed windows and softly defined pale furnishings.
PHOTO PRINTS

How Should Architectural Photographers Print Bright Interiors With Dark Window Frames?

Balance bright rooms and dark window frames by shaping an SDR print file, protecting key tonal edges, and checking th...

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