Yes, you can shoot portraits with the 24-105. You can shoot portraits at f/4. If you're sold on 85mm (no judgment, it's my go-to portrait lens), and you can live with F/4 use what you already have and get used to setting your lens at 85mm. Save your cash until you can justify the 1.2.For the 85mm, 100mm, 105mm, 135mm lenses, besides two Zeiss high price lenses, the Sigma 85mm f/1.4 EX DG HSM lens is your best choice for Canon EOS 7D. Other lenses such as EF 85mm, 100mm Macro are also great lenses for Canon 7D. Lens. DxOMark. Check Price at. Zeiss Otus 85mm f/1.4 APO Planar T*. 24.
A staple in any professional photographer’s kit bag, the Canon EF 70-200mm f/2.8L IS III USM combines a flexible telephoto zoom range with a wide constant aperture of f/2.8 for shallow depth of field portraits or maximizing light in dark scenes. 3.5 stops of image stabilization supplement the fast aperture to maintain faster shutter speeds
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