Camera Accessories
TTArtisan 40mm F2.8 APS-C Macro Large Aperture Manual Focus Prime Fixed Focus Lens for L Mount Camera Like Sigma FP Like Leica L TL CL
Lens structure 40mm F2.8 Lens has a 8 elements in 7 groups optical design, with 2 Extra Low-dispersion glasses, which could effectively improve the image quality and resolution. All metal made body, with aviation grade aluminum alloy material...
https://www.bizrate.co.uk/cameraaccessories/ttartisan-40mm-f2-8-aps-c-macro-oid33632731328.html