description Ilford HP4 Overview
Ilford HP4 is a discontinued British black-and-white photographic film produced by Ilford Photo. Introduced in the mid-20th century, it was a panchromatic film stock with an ISO rating of 400, designed for general-purpose photography. The emulsion offered fine grain and good sharpness for its speed, making it versatile for both daylight and low-light conditions. It was eventually phased out as Ilford transitioned its product line to focus on its successor, the widely used Ilford HP5 Plus.
help Ilford HP4 FAQ
Is Ilford HP4 film still being manufactured today?
No, Ilford HP4 is a discontinued British black-and-white photographic film that was introduced by Ilford Photo in the mid-20th century. The emulsion was eventually phased out and replaced by more modern, advanced film stocks within the Ilford product line.
What specific film stock replaced Ilford HP4?
Ilford officially replaced the HP4 emulsion with the introduction of Ilford HP5, which offered improved grain structure and better versatility. HP5 Plus remains one of the most popular and widely used high-speed black-and-white films in the world today.
What was the ISO speed rating of Ilford HP4 film?
Ilford HP4 was a panchromatic film stock designed for general-purpose photography with a standard ISO rating of 400. This relatively high speed made it an excellent choice for low-light conditions, action photography, and everyday shooting.
Can I still buy and shoot expired Ilford HP4 film?
Yes, you can occasionally find unexposed, expired rolls of Ilford HP4 on secondary markets like eBay, though they are becoming quite rare. Photographers who shoot expired HP4 usually rate it at a lower ISO, such as 200, to compensate for the loss of sensitivity over time.
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