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Nikon EC-B Focusing Screen - Accessory

Nikon EC-B Focusing Screen - Accessory

Matte surface focusing screen for the Nikon F5. The screen has AF brackets and an electrochromatic device which shows selected focusing point. Also features 5mm and 12mm reference circles.

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Nikon F

Nikon introduced their first SLR, the Nikon F, in 1959. Alongside it they unveiled a series of lenses and a new lens mount that would carry them to professional success for the next decades. To this day, all Nikon DSLRs use the Nikon F mount.

In the beginning, Nikon lenses communicated aperture information to the body using a metal coupling fork, affectionately known as "bunny ears". Soon after, Nikon began using a similar system that automatically told the camera the maximum aperture of the lens. This Automatic Indexing (AI) system stuck around for decades in lenses and is still found on Nikon's high-end professional DSLRs even though new lenses communicate this information electronically.

With only minor compatibility issues (don't use a pre-AI lens on AI bodies or modern digital cameras), Nikon F lenses and bodies are pretty much interchangeable.

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Nikon EC-B Focusing Screen - Accessory Availability & Price History
Date Sold SKU Quality Control Price Image
31 Mar 2023 E18591 € 65,00 Nikon EC-B Focusing Screen - Accessory Image
15 Dec 2021 A70193 € 45,00 Nikon EC-B Focusing Screen - Accessory Image