Hoya

Hoya B77DUTO 77mm Duto Soft Focus Filter

Name: Hoya B77DUTO 77mm Duto Soft Focus Filter
Brand: Hoya
SKU: B77DUTO

★★★★★4.0 (1 reviews)

Hoya 77mm Duto filter etches concentric lines into glass to create a center-sharp, edge-soft dreamy effect in-camera.

$54.90*

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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Hoya B77DUTO 77mm Duto Soft Focus Filter offers a distinctly analog approach to creative image-making. Unlike diffusion filters that soften the entire frame uniformly, the Duto features fine concentric lines etched directly into the glass surface. These lines scatter light progressively from the center outward, keeping your main subject crisp while wrapping the periphery in a gentle, dreamy softness. The result is a look that draws the viewer's eye naturally to the center of the frame—ideal for portrait sessions, beauty photography, product highlights, and cinematic video work.

Built with a lightweight black aluminum ring, the filter threads onto any 77mm lens without adding noticeable bulk to your setup. The slim profile helps minimize vignetting, and the durable construction holds up to regular field use. Because the effect is optical and baked into the glass, it is entirely consistent from frame to frame—an advantage over post-processing soft focus that can vary with adjustments. Photographers and filmmakers looking for an authentic, tactile creative tool will find the Duto a compelling addition to their filter kit.

Key Features

CREATES DRAMATIC FOCUS WITH SOFT EDGE EFFECT – The Hoya Duto glass filter softens outer areas while keeping the center sharp, making it perfect for creative product photography with DSLR camera lenses and artistic lens filters.

ETCHED CONCENTRIC LINES FOR UNIQUE SOFT FOCUS LOOK – Fine concentric lines etched in the glass scatter light for a beautiful soft focus effect for camera lens filters that elevate your lens effects and photography game with natural artistic blur.

SHARP CENTER FOR PRECISE SUBJECT ISOLATION – Keeps the subject in crisp focus while softening the edges. Ideal 77 mm lens filter for beauty shots, product highlights, or portraits using your favorite filters for camera lens.

EXPANDS CREATIVE OPTIONS FOR PHOTOGRAPHERS & FILMMAKERS – Add cinematic softness and depth with this 77mm filter, ideal for portrait sessions, film projects, and moody stills. A must-have for camera lens effects, videography, and experimental photography.

LIGHTWEIGHT ALUMINUM FRAME FOR EASY MOUNTING – Built with a durable, slim black aluminum ring that fits seamlessly with your camera lens filter setup. Adds no bulk to your camera gear, compatible with DSLR lens accessories and other filters.

Specifications

Brand

Hoya

Model

B77DUTO

Filter Size

77mm

Filter Type

Duto Glass (Soft Focus)

Effect

Center-sharp with progressive edge softening

Frame Material

Black Aluminum

Pros & Cons

👍 Pros

Produces a distinctive center-sharp, edge-soft look entirely in-camera without software
Etched glass construction provides a consistent, repeatable effect across every shoot
Slim aluminum frame adds minimal weight and reduces vignetting risk
Works for both photography and video, adding cinematic character to footage

👎 Cons

Soft focus strength is fixed and cannot be dialed up or down beyond aperture adjustments
The etched concentric line pattern may be visible in out-of-focus highlights as circular artifacts
Limited to a single creative look compared to variable diffusion filters
Not a general-purpose filter—useful only when the soft edge effect is desired

Frequently Asked Questions

How does the Hoya Duto filter create its soft focus effect?

Fine concentric lines etched into the glass scatter light at the edges of the frame while leaving the center unaffected, producing a sharp subject with progressively softer surroundings.

Can the strength of the soft focus effect be adjusted?

The effect is fixed by the etching pattern on the glass. You can reduce its intensity by stopping down your aperture, or increase the dreaminess by shooting wide open.

Does the Duto filter affect overall image sharpness or exposure?

The center of the image remains sharp. The light scattering at the edges may slightly reduce contrast in those areas, but it does not significantly change exposure.

Will this filter cause vignetting on wide-angle lenses?

The slim aluminum frame minimizes vignetting risk, but on ultra-wide lenses at 77mm you should test at your widest focal length to confirm no corner darkening occurs.

Is the Duto filter suitable for video work?

Yes, the fixed etched effect works consistently across frames, making it a popular choice for adding cinematic softness to video footage without post-production filters.