Zeiss Contax 21mm f4.5 Biogon 1273283 – 1765593
9999 in stock
$595.00
9999 in stock
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Description
Contax 21mm f4.5 Biogon 1273283 – 1765593
This Contax 21mm f4.5 Biogon Lens, #1273283, is in great condition with minor handling wear. I rate it cosmetically a (9). The focus and aperture rings are smooth, the aperture functions properly, and the glass is clean and clear with no haze, marks, or fungus. There are a few faint specks of dust inside, but they do not affect image quality. This lens includes front & rear caps. Please refer to the photos for details.
What Our Experts Think
- Superior Optical Design – The Biogon formula delivers edge-to-edge sharpness, minimal distortion, and excellent color accuracy.
- Ultra-Wide 21mm Focal Length – Provides a broad, immersive perspective, perfect for landscapes, architecture, and documentary photography.
- f/4.5 Aperture – Ensures high contrast and deep depth of field, making it great for sharp, well-defined images even at smaller apertures.
- Minimal Distortion – Unlike many wide-angle lenses, the Biogon design eliminates barrel distortion, ensuring straight lines stay straight.
- Precision Manual Focus – Smooth, precise focusing allows for fine control over composition and subject clarity.
- Classic Contax Craftsmanship – Built with premium materials, ensuring durability and long-term reliability.
Q&A
Q: What is the Contax 21mm f/4.5 Biogon?
A: The Contax 21mm f/4.5 Biogon is an ultra-wide-angle lens designed by Carl Zeiss for Contax rangefinder cameras. It is known for its exceptional optical quality, minimal distortion, and superb edge-to-edge sharpness, making it highly desirable for architectural, landscape, and documentary photography.
Q: What makes this lens special?
A: The Biogon design offers outstanding image quality with near-zero distortion, a hallmark of Zeiss engineering. Its compact size and precise craftsmanship make it a legendary wide-angle lens among collectors and photographers.
Q: Is this lens compatible with modern cameras?
A: Originally designed for Contax rangefinders, this lens can be adapted for use on modern mirrorless cameras with the right adapter, though rangefinder coupling may not function.
Q: What condition is the lens in?
A: The serial number indicates a specific production batch, but condition details such as glass clarity, mechanics, and cosmetic wear would need to be assessed individually.
Maintenance Tips
- Gentle Cleaning: Use a blower or soft brush to remove dust. Clean the glass with a microfiber cloth and lens-safe solution, applying minimal pressure to preserve the coating.
- Avoid Scratches & Coating Wear: The Biogon’s large front element is prone to flare and scratches—always use a lens cap when not in use and handle with care.
- Store in a Dry Environment: Prevent fungus and moisture buildup by keeping the lens in a cool, dry place with silica gel packs. Avoid high humidity and temperature fluctuations.
- Check for Smooth Operation: Regularly turn the focus ring and aperture dial to prevent stiffness or seizing from long-term inactivity.
- Protect the Mount & Housing: Ensure the lens mount is clean and free of dust or debris before attaching it to a camera body.
Additional information
| Weight | 2 kg |
|---|---|
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