Printing Photographs: From Silver Halide to Substrates of the Future

For decades, photographic printing has evolved quietly, often overshadowed by cameras, sensors, and screens. Yet behind every meaningful print lies a complex interplay of technology, chemistry, substrates, and market forces.

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Few understand this ecosystem as deeply as Ina Hilker, who spent more than 37 years at Felix Schoeller—one of the world’s most influential print media manufacturers, headquartered in Germany and established in 1895. From the golden era of silver halide* to today’s inkjet, electrophotography toner), and thermal technologies, Ina has witnessed, and helped shape, the transformation of photographic substrates and global print markets.

Silver halide paper (often referred to as AgX) is a traditional photographic medium coated with light-sensitive silver halide crystals that produce continuous-tone colour or black-and-white photographs when exposed and chemically developed.

PROFILE SNAPSHOT: INA HILKER

• Former Market Intelligence Professional at Felix Schoeller

• 37+ years in imaging, print media, and specialty substrates

• Expertise: Silver halide, inkjet, electrophotography, D2T2, dye sublimation, specialty paper markets, strategic forecasting, competitor analysis

Why This Conversation Matters:

Photography today is created in unprecedented volumes, yet only a fraction of those images are ever printed. Understanding what happens behind the scenes, across technologies, substrates, and global markets, helps explain why print continues to evolve rather than disappear.

This conversation offers a clearer view of the forces shaping photographic printing today: shifting consumer behaviour, changing product mix, new materials, and emerging opportunities. For photographers and serious enthusiasts alike, it reminds us that the final print is not merely an output, but the result of an entire ecosystem of innovation.

Setting the Context

Vimal Parmar: Could you briefly share your professional journey and your role at Felix Schoeller?