Hoya

Hoya B-52DUTO 52mm Duto Glass Filter

5.0 (1 reviews)

Add a dreamy soft-focus edge effect to portraits and creative shots with Hoya's precision-etched 52mm Duto glass filter.

$28.90*
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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 B-52DUTO 52mm Duto Glass Filter is a specialty creative filter designed for photographers and filmmakers who want to introduce a controlled soft-focus effect directly at the point of capture. Unlike diffusion filters that soften the entire image, the Duto filter features fine concentric lines precision-etched into the glass surface. These lines scatter light progressively from the center outward, keeping your subject in the middle of the frame tack-sharp while the surrounding areas take on a gentle, dreamy diffusion. This makes it particularly effective for portrait photography, beauty shots, and product highlights where you want to draw the viewer's eye to a specific focal point.

Built with a slim black aluminum ring, the filter threads directly onto any lens with a 52mm filter diameter for quick attachment and removal. The lightweight construction means it won't throw off your lens balance or prevent you from using lens caps and hoods. Beyond still photography, the Duto filter is equally valuable for video work, adding a layer of cinematic softness and atmosphere that would require careful post-production work to achieve otherwise. For creative shooters looking to expand their in-camera effects toolkit, the Hoya Duto offers a tangible, optical quality that digital filters often struggle to match.

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 52 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 52mm 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
B-52DUTO
Filter Size
52mm
Filter Type
Duto (Soft Focus)
Effect
Soft edge with sharp center
Frame Material
Aluminum (Black)
Glass Type
Etched concentric lines
Mount Type
Screw-on (52mm thread)

Pros & Cons

👍 Pros

  • Etched concentric lines produce a distinctive soft-edge effect that is difficult to replicate digitally
  • Center of the frame stays sharp, allowing precise subject isolation with natural background softening
  • Slim aluminum frame adds virtually no weight or bulk to your lens setup
  • Works for both still photography and video, providing consistent cinematic softness in-camera
  • Simple screw-on 52mm mounting is compatible with any standard 52mm filter thread lens

👎 Cons

  • The soft-focus effect is fixed and cannot be adjusted in intensity on the filter itself
  • Only available in 52mm thread size, limiting use to lenses with that specific filter diameter
  • The effect is always applied — you must physically remove the filter to shoot without it
  • Specialized creative filter with a narrow use case, not suited for everyday general photography

Frequently Asked Questions

Fine concentric lines etched into the glass scatter incoming light around the edges of the frame, producing a gradual soft-focus effect while keeping the center of the image sharp and in focus.
This filter has a 52mm thread size. It will fit any camera lens with a 52mm filter thread, regardless of brand. Check your lens cap or front ring for the filter size marking.
No, the center of the frame remains crisp and sharp. The soft-focus effect is concentrated on the outer areas of the image, allowing your main subject to stay in clear focus while the surroundings take on a diffused quality.
Yes, the filter works equally well for video and film projects, adding a cinematic softness and depth-of-field effect that is difficult to replicate in post-production.
No, it uses a lightweight, slim black aluminum frame that adds minimal bulk, so it won't unbalance your lens or interfere with lens caps and hoods.