Quelltext der Seite WSAL18155 – 35mm Telephoto Lens for Pi/en

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'''Documentation notice:''' This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.

== Summary ==
The 35mm telephoto lens is a CS/C-mount lens module from Waveshare. It is used with the IMX477 12.3MP camera or the Raspberry Pi HQ Camera and provides a fixed 35mm focal length.

== Related products at JW Tech ==
* [https://shop.jw-tech.eu/p/WSAL18155 WSAL18155 – 35mm Telephoto Lens for Raspberry Pi High Quality Camera]

== Technical overview ==
* Type: CS/C lens; Mount: CS connector
* Compatibility: Only with IMX477 12.3MP camera or Raspberry Pi HQ Camera
* Focal length: 35 mm fixed
* Field of view (FoV) by sensor format: 1/1.8" ≈ 24.7° × 18.6°; 1/2" ≈ 21.8° × 16.4°; 2/3" ≈ 20.2° × 15.1°
* Aperture: F1.7–F16, manually adjustable
* Back focal length (BFL): 17.53 mm
* Total track length (TTL): 67.53 mm
* Distortion: approximately 0.05% (low)
* Minimum object distance (M.O.D.): 0.30 m
* Dimensions: Φ35.00 × 34.00 mm; Weight: 78 g

== Notes and version constraints ==
* The provided OpenCV/picamera tuning logic comes from a user contribution for RPi Camera (G) and is reference-only; it is not officially confirmed by the manufacturer.
* White balance may be inaccurate depending on lighting conditions; parameters must be adjusted manually.
* The compatibility statement is limited to the listed cameras; other cameras are not covered.
* No prices, stock levels, warranties or safety certifications are present in the source – do not invent such details.

== Source and revision record ==
* [https://www.waveshare.com/wiki/35mm_Telephoto_Lens_for_Pi 35mm Telephoto Lens for Pi - Waveshare Wiki]
* Source revision: 84352
* Captured: 2026-09-01T03:07:19+00:00
* SHA-256: <code>4f55a0e839e7e55018893e63d6d3b191e5ca9472494cb517dff8f4fe657a9bcc</code>