The textured pattern on the focus ring of the Canon EF 50mm f/1.8 STM lens does improve handling in various conditions. Here are the key benefits:
Enhanced Grip
- Textured Surface: The diamond-textured pattern on the focus ring provides a better grip, making it easier to manipulate the focus, especially in challenging conditions such as low light or when wearing gloves.
Improved Control
- Precision in Manual Focus: The texture allows for more precise control when manually focusing, as the fingers can maintain a firmer hold without slipping. This is particularly beneficial for achieving accurate focus in critical shooting situations.
Versatility in Conditions
- Weather Considerations: While the lens itself is not weather-sealed, the textured focus ring can help maintain control in humid or slightly wet conditions, reducing the likelihood of losing grip on the lens.
In summary, the textured pattern on the focus ring enhances handling and control, making it a practical feature for photographers who may encounter various shooting conditions.
Citations:[1] https://patents.justia.com/patent/5474649
[2] https://patents.google.com/patent/EP0671756B1/en
[3] https://www.researchgate.net/publication/352348887_Focus_ring_geometry_influence_on_wafer_edge_voltage_distribution_for_plasma_processes
[4] https://www.pentaxforums.com/forums/10-pentax-slr-lens-discussion/213283-focus-ring-dampening-legacy-mf-lenses.html
[5] https://snapshot.canon-asia.com/article/eng/know-your-lens-barrel-1-useful-marks-rings-and-switches
[6] https://www.youtube.com/watch?v=ilj2P5-5CjI