If it's "meant for" a crop sensor camera (I have a 7D), then does that mean it stays a true 11-16mm on that camera or do I still have to calculate?
2025832
I believe that your question is simply concerned with the "Angle of View". First, this Tokina is a true 11-16mm on the 7D Crop sensor. You do not need to do any calculating. Second, roughly speaking, a 17-25mm lens on a Full Frame sensor would achieve the same "Angle of View" as the 11-16mm does on the 7D. So, in either case, you're visualizing the same "true" "Angle Of View". Third, since this Tokina was designed for an APS-C sensor, it can not, generally, admit enough light to expose an entire Full frame sensor. Hence, the excessive vignetting. Hope this helped. BTW, I do own this lens, a 7D, a 5D Mark III and.......! Does it ever end??? : ) I believe that your question is simply concerned with the "Angle of View". First, this Tokina is a true 11-16mm on the 7D Crop sensor. You do not need to do any calculating. Second, roughly speaking, a 17-25mm lens on a Full Frame sensor would achieve the same "Angle of View" as the 11-16mm does on the 7D. So, in either case, you're visualizing the same "true" "Angle Of View". Third, since this Tokina was designed for an APS-C sensor, it can not, generally, admit enough light to expose an entire Full frame sensor. Hence, the excessive vignetting. Hope... » Read More I believe that your question is simply concerned with the "Angle of View". First, this Tokina is a true 11-16mm on the 7D Crop sensor. You do not need to do any calculating. Second, roughly speaking, a 17-25mm lens on a Full Frame sensor would achieve the same "Angle of View" as the 11-16mm does on the 7D. So, in either case, you're visualizing the same "true" "Angle Of View". Third, since this Tokina was designed for an APS-C sensor, it can not, generally, admit enough light to expose an entire Full frame sensor. Hence, the excessive vignetting. Hope this helped. BTW, I do own this lens, a 7D, a 5D Mark III and.......! Does it ever end??? : ) « Show Less
2025833
Not entirely sure but you want get a wider angle of view than this. I've always been a bit confused with specs on lenses designed exclusively for crops. By the way I have a 7D I use this lens on. Also have a 6D Full Frame. Buy it. Works great. Stop down to f4 for better corner sharpness
5669
Yes it will but remember the 7D is not full frame so 16mm X 1.6 crop factor would be a 25.6mm 35mm full frame equivalent.
299405
The crop factor or doubling of the focal length has nothing to do with the adapter is is caused by the size of the sensor. You are adapting a lens that has a focal length of 50mm on full frame 35mm sensor the bmpcc has a super 16mm sensor so you are using only the center 16mm of the image circle thus it is cropped.
1794212
This is a 1.6x cropped lens that will only work on cameras with the smaller APS-C sensor. It will not work on 5DMk3, for example.
260619
No. It's for the canon "crop sensor". I use the lens on a Canon 7D and love the lens. You will need a lens designed for the Full Frame Sensor. I would not hesitate in buying the "New" Sigma lens designs. Hope this answers your question.
724453
No, it is not "full frame" (meaning the sensor size is not equivalent to the size of 35mm film, which was established as a film standard, albeit an arbitrary one. Sensors that are not the equivalent size to 35mm film have a crop factor. The crop factor for this particular camera is 5.62.
987894
I don't agree about the crop sensor answer. If anything, with a crop sensor - you'd want to go wider.
1475536
I didn't know that any lens was designed for a particular kind of sensor.The size of your sensor will determine the results of course.I've been using it on my T3i and it looks fabulous.
2124211
Yep! But since it's a cropped camera it will only use the center of the lens. So at the 28 mm end, it will be 35. Now actually wide angle. This is a pro lens. Don't put it on a consumer camera. If have the money , buy the 6d. This is how you get pictures that look magazine quality vs vacation/home quality.
2077810
Avoid this lens for the D7100. The only way I would recommend it for a crop sensor camera is if you plan on moving up to full frame very soon. The 24-120 is a fantastic lens, but for crop sensor its focal length changes to 36-180. While getting 180mm is nice, 36 is a little narrow. Unless you prefer to shoot at 35mm and not wider. My recommendation, get the 16-85mm. It is definitely my go to lens with my D7100. I love it. I also bought a 28mm 1.8 to handle low light. Probably down the line when I go full frame Ill upgrade to the 24-120.
1836661
Yes. Any full frame lens will work on a crop sensor. The reverse is untrue. A crop sensor lens will not work on a full frame body. This is true in every case.
2078419
i'm sorry to tell you that this is not compatible with the full frame sensor. you can use it in dx mode, otherwise the image will leave a lot of black border on the image. someone of the lens user, cut off (very difficult operation) the petal hood (that is fixed) to enlarge the covered area on the full frame sensor, and obtain an image area above 180 degrees
1848177
Based on the fact that it is meant for a crop sensor (DX format), there would be vignetting at wide angles, then less noticeable at 50mm. The extent of vignetting would have to be viewed personally, but it should be significant at 17mm.
175990
I have this lens for my full frame Canon 5D Mark III. I had the 18-270 equivalent, Tamron for my crop sensor Canon camera. I believe it will work, but the lens would become something like a 50 to 450 (1.6 times) lens so if you were wanting it for the 28 mm range, you wouldn't get that.
2251895
This is a wide angle lens for a full frame camera. On a crop sensor it will be about 36mm. It will not autofocus on a camera that doesn't have a focus motor.
313958
I have no idea what this means: "Because it is built for the APS-C sensor, it doesn't get the focal length benefit that comes with using EF or full frame level lenses." It is not lenses that are full frame, it's the sensor in the camera. And whether you use EF or EF-S lenses, the crop factor for non-full-frame cameras is exactly the same. On Canons, the crop factor is 1.6, meaning that a 100mm lens on a full-frame camera will be like a 160mm lens when used on a crop-sensor Canon, like the Rebel line. So you're not losing any "focal length benefit," whatever that is; your lens will perform like it's even more of a telephoto. I have no idea what this means: "Because it is built for the APS-C sensor, it doesn't get the focal length benefit that comes with using EF or full frame level lenses." It is not lenses that are full frame, it's the sensor in the camera. And whether you use EF or EF-S lenses, the crop factor for non-full-frame cameras is exactly the same. On Canons, the crop factor is 1.6, meaning that a 100mm lens on a full-frame camera will be like a 160mm lens when used on a crop-sensor Canon, like the Rebel line. So you're not losing any "focal length benefit," whatever that is; your... » Read More I have no idea what this means: "Because it is built for the APS-C sensor, it doesn't get the focal length benefit that comes with using EF or full frame level lenses." It is not lenses that are full frame, it's the sensor in the camera. And whether you use EF or EF-S lenses, the crop factor for non-full-frame cameras is exactly the same. On Canons, the crop factor is 1.6, meaning that a 100mm lens on a full-frame camera will be like a 160mm lens when used on a crop-sensor Canon, like the Rebel line. So you're not losing any "focal length benefit," whatever that is; your lens will perform like it's even more of a telephoto. « Show Less
832290
I think that refers to the macro feature. True macro would be 1:1 meaning a one inch object would be one inch on the sensor/film. So this lens would have a one inch object being .36 inches on the sensor. Which is quite good given the sensor size. The zoom is as rated (12-50 with a 2x crop)