Heliopan 67mm KR12 / 85 Series Color Conversion Filter – eBay Product Info

Overview:
The Heliopan 67mm KR12 (85 Series) Color Conversion Filter is designed to correct the strong blue color cast that occurs when using tungsten-balanced film in daylight. By warming the image and restoring natural color balance, this filter allows photographers to continue shooting outdoors without compromising color accuracy. Manufactured in Germany, it combines precise optical performance with Heliopan’s renowned build quality.

Key Features:

• Color Conversion Filter: Corrects blue cast from tungsten film used in daylight

• 85 Series Correction: Balances daylight (~5500K) to tungsten color temperatures

• Filter Effect: Reddish-brown warming for accurate, natural tones

• Creative Use: 85C also works as a subtle warming filter with daylight film

• High-Quality Optics: Precision-cut, ground, polished, and coated glass

• Slim Brass Mount: Black anodized brass ring minimizes vignetting

• Front Thread: Supports lens caps, hoods, and filter stacking

• Made in Germany: Crafted by Heliopan Lichtfilter-Technik, Munich

• Size: 67mm screw-in filter

Important Notes:

• Use 85 series filters with tungsten film in daylight

• Use 80 series filters with daylight film under tungsten lighting

85 Series Color Temperature Conversion:

• 85: 5500K → 3400K

• 85A: 5500K → 3100K

• 85B: 5500K → 3200K

• 85C: 5500K → 3800K

Ideal For:
Analog film photography, professional color correction, and creative warming effects