Also known as a "didymium" filter, this is used to enhance red, orange and brown subjects to give more color saturation and contrast, while having very little effect on other colors. It can be used in many situations such as architecture where certain building features need emphasizing or for landscapes to enhance foliage and rocky features.

Filter Factor: 1.4 (0.5 stop). Density: 0.15. Size: 82mm (3.23"). Type: Enhancing Filter. Hoya 82mm RA54 Red Enhancer Orange Intensifier Filter - Filter Case - Hoya 1 Year Limited Warranty.

Water Resistance Level: Not Water Resistant. Photo Filter Effect Type: Enhancing. Coating Description: Multi Coating. Photo Filter Thread Size: 82 Millimeters. Brand: Hoya. Country of Origin: Japan. Manufacturer: Hoya. Date First Available: April 25, 2017. Best Sellers Rank: #63 in Camera Lens Color Correction & Compensation Filters. Customer Reviews: 4.8 out of 5 stars 10 ratings 4.8 out of 5 stars. Item model number: RA54 Red Enhancer. : B0716BSCMT. Item Weight: 2.4 ounces. Product Dimensions: 4.2 x 3.6 x 0.5 inches.