K&M

K&M PRO6564-MAIN Promaster 46mm Protection HGX Prime Filter

Name: K&M PRO6564-MAIN Promaster 46mm Protection HGX Prime Filter
Brand: K&M
SKU: PRO6564-MAIN

The ProMaster 46mm HGX Prime filter shields your lens with 22-layer-coated Schott glass and 99.2% light transmission made in Japan.

$49.95*

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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 ProMaster 46mm Protection HGX Prime filter is engineered for photographers who want no-compromise lens protection without sacrificing image quality. At its core is ultra-hardened Schott glass from Germany — a material choice that puts it well above commodity protection filters in terms of scratch resistance and optical clarity. The 22 layers of multi-coating work together to push average light transmission to 99.2% while holding reflections below 0.3%, meaning this filter is effectively invisible in your optical path.

ProMaster's Repellemax II coating adds a practical layer of convenience by repelling water, oil, and dust from the glass surface, which is especially valuable when shooting outdoors in unpredictable conditions. The precision-milled aluminum frame measures just 6.3mm thick, keeping the profile slim enough to avoid vignetting on most wide-angle lenses that accept a 46mm thread. Manufactured in Japan, the HGX Prime line reflects a level of quality control that serious photographers expect from their front-element protection.

Key Features

Lens Protection: The ProMaster 46mm Protection HGX Prime filter offers excellent protection for your lens, safeguarding it against scratches, dust, and other potential damage. It helps to keep your lens in pristine condition, ensuring optimal image quality.

High-Quality Construction: Crafted with precision and featuring high-quality Schott glass, this filter delivers exceptional optical performance. It minimizes lens flare and ghosting, allowing you to capture clear and vibrant images with accurate colors.

Multi-Coating Technology: The filter employs advanced multi-coating technology to reduce reflections, improve light transmission, and enhance image contrast. It effectively reduces glare and provides superior image clarity.

Slim Design: With its slim profile, the ProMaster 46mm Protection HGX Prime filter maintains compatibility with wide-angle lenses and prevents vignetting or image distortion. It seamlessly integrates with your lens, ensuring hassle-free shooting.

Trusted Brand: ProMaster is a reputable brand known for its high-quality camera accessories. The ProMaster 46mm Protection HGX Prime filter exemplifies the brand's commitment to delivering reliable and durable products to photographers.

Specifications

Brand

ProMaster

Model

PRO6564-MAIN

Filter Type

Protection

Thread Size

46mm

Outer Diameter

48mm

Frame Thickness

6.3mm

Lens Thickness

1.3mm

Glass Material

Ultra-Hardened Schott Glass

Coatings

22 layers + Repellemax II

Light Transmission

99.2% (avg, 400–700nm)

Reflection

Less than 0.3% (avg, 430–680nm)

Country of Origin

Japan

Pros & Cons

👍 Pros

Ultra-hardened Schott glass provides superior scratch and impact resistance over standard filters
22-layer multi-coating delivers 99.2% light transmission with under 0.3% reflection
Repellemax II coating repels water, dust, and fingerprints for easy field cleaning
Slim 6.3mm frame reduces the chance of vignetting on wide-angle lenses
Made in Japan with precision manufacturing and quality control

👎 Cons

46mm thread size fits a limited range of lenses, so it cannot be shared across most of a typical kit
Non-coated glass is not an option in this line, so the premium price applies even if you only need basic protection
Slim frame can be slightly more difficult to grip and unthread compared to standard-width filter rings
Higher cost than basic UV or protection filters from budget brands

Frequently Asked Questions

Will the ProMaster 46mm HGX Prime filter affect image quality or sharpness?

No. With 99.2% average light transmission and 22 layers of multi-coating, the HGX Prime filter is designed to be optically neutral, preserving sharpness, color accuracy, and contrast.

Does this filter cause vignetting on wide-angle lenses?

The slim 6.3mm frame profile is designed to minimize vignetting, making it compatible with most wide-angle lenses that accept a 46mm filter thread.

What is the Repellemax II coating on this filter?

Repellemax II is ProMaster's proprietary anti-static, water-repellent coating that causes moisture and oils to bead up and roll off the glass surface, making the filter easier to clean and more resistant to smudges.

Is the glass in this filter tempered or treated for durability?

Yes. The HGX Prime uses ultra-hardened Schott glass, which is significantly more scratch- and impact-resistant than standard optical glass filters.

Can I stack this protection filter with other filters like a polarizer?

You can, though stacking multiple filters increases the risk of vignetting on wider focal lengths. The slim frame helps, but it is best to test with your specific lens.