The Nikon HR-4 Folding Rubber Hood is a collapsible, screw-in lens shade designed specifically for manual focus and early autofocus lenses with a 52mm filter thread. It is primarily intended for use with 50mm and 35mm focal lengths to reduce flare and protect the front element.
Key Features and Specifications:
Mount Type: 52mm screw-in metal thread.
Construction: Black rubber that is collapsible/foldable for compact storage.
Dimensions: Approximately 67 x 10mm.
Weight: Roughly 25g.
Function: Minimizes stray light and "ghost" images while providing physical impact protection for the lens.
Primary Lens Compatibility:
While it fits any lens with a 52mm thread, it was specifically designed for:
50mm Lenses: Standard Nikkor 50mm f/1.4, f/1.8, and f/2 (AI, AI-S, and AF versions).
Series-E Lenses: Specifically the 35mm f/2.5 and 50mm f/1.8 Series-E manual focus lenses.
Other compatible models: Mentioned uses include the Nikkor 80mm f/2.8 and MF Zoom-Nikkor 70-210mm f/4.5-5.6.
