On OpticalLimits, find the review for the Canon RF 24-105mm f/4 L IS USM Lens. Navigate to the 'Optical Quality' section within the review. Identify and state the overall optical quality rating given to the lens (out of 10) and whether it's considered 'excellent' or 'very high' at the wide end.
Navigate to 'opticallimits.com'. Click the 'Menu button' to expand the navigation. Click the 'Reviews' link from the navigation menu. Locate and click on the 'Canon RF 24-105mm f/4 L IS USM Lens' review. Scroll down the page until the 'Optical Quality' section is visible. Read the description within this section to identify the overall optical quality rating and the sharpness description at the wide end. State the identified rating and description.
Successfully navigate to the 'Reviews' section. Successfully locate and access the 'Canon RF 24-105mm f/4 L IS USM Lens' review. Identify and reach the 'Optical Quality' section within the review. State that the optical quality rating is 7.5 out of 10. State that the sharpness is described as 'evenly high - in fact, very high - sharpness across the image field' at the wide end.