Calumet UV MC Ultra Slim 49 mm 77-Layer Camera Lens Filter

The Calumet UV MC Ultra Slim 49 mm 77-Layer Camera Lens Filter reduces ultraviolet light entering the lens while providing physical protection for the front element. Its 49 mm diameter fits compatible lenses and the ultra-slim profile is designed to minimize vignetting on wide-angle optics. A 77-layer multi-coating reduces surface reflections and helps maintain image clarity in daylight and bright conditions. This filter is intended for photographers who need basic UV reduction, scratch and dust protection, and a low-profile filter that does not interfere with wide-angle compositions.

Advantages

The multi-coating system with 77 layers lowers ghosting and flare by reducing reflections on both surfaces. The ultra-slim frame reduces the risk of vignetting on wide-angle lenses while still offering full coverage of the front element. The glass provides a protective barrier against dust, moisture splashes and incidental scratches, extending the service life of the lens front. The 49 mm threaded mount is compatible with lenses that accept this filter size and the neutral optical effect preserves color balance and contrast.

Suitable for

• Landscape photography where UV reduction and wide-angle coverage matter
• Travel and street photography requiring everyday front-element protection
• Outdoor daytime shooting in bright, hazy, or high-UV conditions

Key specifications

• Filter diameter: 49 mm
• Filter type: Ultraviolet (UV) with multi-coating
• Coating: 77-layer multi-coating on optical surfaces
• Frame profile: Ultra-slim to reduce vignetting on wide-angle lenses
• Material: Optical glass with metal slim ring

How to use

Screw the filter onto the lens front by aligning the 49 mm threads and turning gently clockwise until snug; avoid over-tightening. Use the filter during daytime outdoor shoots to reduce UV haze and to protect the lens surface from dust and minor impacts. Remove the filter when stacking other filters or when specific optical effects are required. Clean the glass with a soft microfiber cloth and appropriate lens cleaner to maintain the multi-coating performance.

Usage recommendations

For best results with wide-angle lenses, check for vignetting at the widest focal length after mounting the ultra-slim filter. Store the filter in a protective pouch when not in use and avoid abrasive cleaners to preserve the 77-layer coating.