![Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Pentax Digital DSLR Camera : Camera Lenses : Electronics Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Pentax Digital DSLR Camera : Camera Lenses : Electronics](https://m.media-amazon.com/images/I/518a1dEf+-L._AC_UF894,1000_QL80_.jpg)
Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Pentax Digital DSLR Camera : Camera Lenses : Electronics
![Sigma 884955 - Objetivo para Nikon (distancia focal 17-70mm, apertura f/2.8-4, estabilizador) color negro : Amazon.es: Electrónica Sigma 884955 - Objetivo para Nikon (distancia focal 17-70mm, apertura f/2.8-4, estabilizador) color negro : Amazon.es: Electrónica](https://m.media-amazon.com/images/I/91Zi7S9MxnL.jpg)
Sigma 884955 - Objetivo para Nikon (distancia focal 17-70mm, apertura f/2.8-4, estabilizador) color negro : Amazon.es: Electrónica
![Sigma 17-50 Sigma 17-50mm f/2.8 EX DC OS HSM Lens for Nikon D3200 D3300 D3400 D5200 D5300 D5500 D5600 D7000 D7100 D7200 D500 - AliExpress Sigma 17-50 Sigma 17-50mm f/2.8 EX DC OS HSM Lens for Nikon D3200 D3300 D3400 D5200 D5300 D5500 D5600 D7000 D7100 D7200 D500 - AliExpress](https://ae01.alicdn.com/kf/HTB1.vHlKVXXXXaNXXXXq6xXFXXXT.jpg_640x640Q90.jpg_.webp)
Sigma 17-50 Sigma 17-50mm f/2.8 EX DC OS HSM Lens for Nikon D3200 D3300 D3400 D5200 D5300 D5500 D5600 D7000 D7100 D7200 D500 - AliExpress
![Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Nikon Digital DSLR Camera : Camera Lenses : Electronics Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Nikon Digital DSLR Camera : Camera Lenses : Electronics](https://m.media-amazon.com/images/I/610FZsonSXL.jpg)
Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Nikon Digital DSLR Camera : Camera Lenses : Electronics
![My focus ring doesn't seem to do anything (Sigma 18-50mm f2.8) Is this because the a6k doesn't support it or does the camera have to be in a specific mode. I'm in My focus ring doesn't seem to do anything (Sigma 18-50mm f2.8) Is this because the a6k doesn't support it or does the camera have to be in a specific mode. I'm in](https://i.redd.it/c5tp4jgmrqo81.jpg)
My focus ring doesn't seem to do anything (Sigma 18-50mm f2.8) Is this because the a6k doesn't support it or does the camera have to be in a specific mode. I'm in
![Sigma DC - Objetivo para Nikon (17-50mm, f/2.8, estabilizador, 77 mm), color negro : Amazon.es: Electrónica Sigma DC - Objetivo para Nikon (17-50mm, f/2.8, estabilizador, 77 mm), color negro : Amazon.es: Electrónica](https://m.media-amazon.com/images/I/51k7WKLNDeL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA1.931%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Sigma DC - Objetivo para Nikon (17-50mm, f/2.8, estabilizador, 77 mm), color negro : Amazon.es: Electrónica
![Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Nikon Digital DSLR Camera - International Version (No Warranty) : Electronics Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Nikon Digital DSLR Camera - International Version (No Warranty) : Electronics](https://m.media-amazon.com/images/I/81iGKyG60ZS.jpg)
Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Nikon Digital DSLR Camera - International Version (No Warranty) : Electronics
![Sigma DC - Objetivo para Nikon (17-50mm, f/2.8, estabilizador, 77 mm), color negro : Amazon.es: Electrónica Sigma DC - Objetivo para Nikon (17-50mm, f/2.8, estabilizador, 77 mm), color negro : Amazon.es: Electrónica](https://m.media-amazon.com/images/I/71tnV-W3oZL.jpg)
Sigma DC - Objetivo para Nikon (17-50mm, f/2.8, estabilizador, 77 mm), color negro : Amazon.es: Electrónica
![Sigma 17-50 Sigma 17-50mm f/2.8 EX DC OS HSM Lens for Nikon D3200 D3300 D3400 D5200 D5300 D5500 D5600 D7000 D7100 D7200 D500 - AliExpress Sigma 17-50 Sigma 17-50mm f/2.8 EX DC OS HSM Lens for Nikon D3200 D3300 D3400 D5200 D5300 D5500 D5600 D7000 D7100 D7200 D500 - AliExpress](https://ae01.alicdn.com/kf/HTB1bgFIJVXXXXbzXpXXq6xXFXXXE/221406350/HTB1bgFIJVXXXXbzXpXXq6xXFXXXE.jpg_640x640q90.jpg?size=60043&height=500&width=500&hash=3fdd0ff4a326180b1573f1263b5a6769)