Introduced in 1992. AF Nikon lenses with a CPU that also relays Distance information to the camera, most useful for ultra-precise TTL flash. Among the first were the 35-70mm f/2.8D AF and 80-200mm f/2.8D ED AF Nikkor. AF-I: Introduced in 1992. AF Nikon lenses with a coreless Integrated motor for faster AF in high-end telephoto lenses. The Nikon D750 is an affordable 24.3Mp full-frame DSLR with attractive-looking specs for both the enthusiast and the professional photographer. It’s capable of producing outstanding pictures, but the quality of the lens used has a bearing on image quality. We’ve analyzed the performance of 105 lenses on the Nikon D750, and in part one we bring you an analysis of the top three zoom lenses Sigma’s pro-spec 24-70mm f2.8 full-frame zoom lens is available in Canon, Nikon, Pentax, Sony and Sigma mounts, and was tested here in conjunction with a Nikon D700 (full-frame) body. By: Jon Tarrant, What Digital Camera (Sep 8, 2009) Sigma's pro-spec 24-70mm f2.8 full-frame zoom lens is available in Canon, Nikon, Pentax, Sony and Sigma mounts, and was tested here in conjunction with a Nikon D700 (full-frame) body. The first thing to note about Sigma?s 24-70mm f2.8 lens is its considerably lower cost than other premium zooms. Overall Best Travel Lens for Nikon DX – Sigma 18-300mm F3.5-6.3 DC Macro OS HSM. Best DX Budget Travel Lens for Nikon DX – Sigma 17-50mm f/2.8 EX DC OS HSM FLD. Best DX Professional Travel Lens for Nikon DX – Sigma Art 18-35mm f/1.8. Best EF-S Prime Travel Lens for Nikon DX – Nikon AF-S DX NIKKOR 35mm f/1.8G. 2 days ago · Prime lenses tend to be more compact and lightweight than zoom lenses. Prime lenses also tend to have a larger maximum aperture (f/1.4 to f/2.8). This is an advantage when shooting in low light conditions as it will increase the possibility of hand holding the camera and freezing the subject without shake or blur caused by the longer exposures. Nikon Nikkor AF-S 24-70mm f2.8 G ED N Full Frame Zoom Lens For DSLR D750 D850. Nikon AF-S 24-70mm f/2.8 G ED Zoom AF NIKKOR Lens w/Box Mint From Japan #1936. The Tamron 17-70 f/2.8 VC for Sony E-mount is a lens without much competition right now: it has a wide to mid-telephoto zoom range (equivalent to a 25.5-105mm equivalent angle of view), a constant f/2.8 aperture available, image stabilization, and excellent image quality, all for about $799. The next closest competitor is the Sony 16-55 f/2.8, a $1399 lens without image stabilization. So is XiSQb8.