| | Sony Alpha Portrait lenses made by Sigma for less than $500 that have a 300mm or longer focal length | | |  | | | Max focal length | 300 mm | | | Length | 102 mm | | | | | | | Zoom range | 16.7x | | | Diameter | 79 mm | | | | | | | Min focal length | 18 mm | | | Weight | 0.6 kg | | | | | | | Aperture | f/3.5 | | | Auto focus | Yes | | | | | | | | | | |  | "I've been using this lens for over a year, and feel it is well worth the money. For a very reasonable price you get a lens that has reasonable sharpness, and an effective macro. There are much cheaper lenses out there and much more expensive ones too. If you are looking for a good zoom lens at a reasonable price, you should put this on your list of top contenders." bhphotovideo.com | | Max focal length | 300 mm | | | Length | 120 mm | | | | | | | Zoom range | 4.3x | | | Diameter | 77 mm | | | | | | | Min focal length | 70 mm | | | Weight | 0.5 kg | | | | | | | Aperture | f/4 | | | Auto focus | Yes | | | | | | | |  | "The macro option is great. I used it a lot with great results. " bhphotovideo.com | | Max focal length | 300 mm | | | Length | 120 mm | | | | | | | Zoom range | 4.3x | | | Diameter | 76 mm | | | | | | | Min focal length | 70 mm | | | Weight | 0.5 kg | | | | | | | Aperture | f/4 | | | Auto focus | Yes | | | | | | | | | | | |
