Lens Hood JJC HB-39 for Nikon (model SB3275) — bayonet-style lens shade

JJC HB-39 is a bayonet-style lens hood compatible with Nikon-mount camera lenses. It reduces lens flare and stray light entering the front element, helping to preserve contrast and image clarity in various shooting conditions. The hood provides mechanical protection against accidental contact and light bumps, while its twist-and-lock bayonet attachment ensures a secure and repeatable fit. Designed for both outdoor and studio use, this lens shade is suitable when controlling incident light and protecting the front element are important.

Advantages

The bayonet mount design offers fast and reliable attachment and removal without tools. By blocking off-axis light, the hood helps to minimize flare and ghosting and supports better color saturation and contrast. Its rigid construction provides physical protection for the lens front from knocks and light impacts. The compact profile allows convenient storage on the lens when not in use and does not interfere with filter use when mounted.

Suitable for

• Outdoor photography in bright or backlit conditions
• Studio shoots where controlled lighting is required
• Travel and event photography needing lens front protection
• Portrait and landscape work to improve image contrast

Key specifications

• Mount type: bayonet twist-and-lock attachment compatible with Nikon-style lenses
• Function: reduces lens flare and stray light; provides mechanical front-element protection
• Construction: rigid plastic composite for lightweight durability
• Compatibility: designed for Nikon-compatible lenses with corresponding bayonet hood mount
• Storage: reversible or removable for compact transport

How to use

Align the hood's bayonet tabs with the corresponding grooves on the lens, press gently and rotate until it clicks into the locked position. Confirm the hood is secure before shooting. If storage space is limited, remove the hood or reverse-mount it on the lens if the design allows. When using wide-angle lenses, check for vignetting after mounting; if vignetting appears, remove the hood or use a dedicated hood designed for that focal length.

Usage recommendations

Use the hood whenever stray light or mechanical risk is present—outdoors in strong sunlight, in mixed lighting, or when the lens might be bumped during handling. Keep the mounting surfaces clean and avoid excessive force when attaching or removing the hood to maintain the integrity of the bayonet lock.