what is the difference between FX and DX cameras
1247172
FX refers to a full frame camera. DX is the smaller format where the lens size is multiplied by 1.5 to get the resultant size. An FX camera needs to use an FX lens to get the full effect. The 7100 is a DX camera and I think it is great.
1247173
FX and DX refer to the size of the image sensor. FX is larger - about the size of a physical 35mm frame - and is thus capable of less noise and greater resolution, all other things being equal. But all other things are NOT equal - an FX camera costs considerably more than a comparable DX, and frankly, if you have to ask that question then you're probably not going to notice the difference. Modern DX cameras like the D7100 are capable of more than excellent results, and you would have to be a pro or shooting very specific and difficult subjects to really notice the difference.
1247174
FX is full frame which is 36 x 24 mm sensor (old 35mm film area) . DX is 1/2 the area is approx. 24 x 16 mm sensor also know as aps-c film size. to get the same size print you have to multiply the DX format x 1.5 times..
1247175
FX(D800/D610/D600...) is full frame and DX (D7100/D7000/...) is crop. Full frames have larger sensor, hence lower signal to noise ratio which can result in better quality at same resolution. Usually FX family has better lens, body and over all feature set and made for semi pro who are looking for quality in RAW images, while DX are more for photography enthusiasts who think camera should be packed with features they may never use. D7100 is packed with many features but AF is not working properly (Read my review).
963338
I wouldn't put this on a DX camera. Lenses like this always contain compromises and the compromises made in this lens - some of which make this a $1000 lens - are optimized for FX. I'm very happy with it on my D750, but for DX I'd look more towards the 18-200, which covers a similar equivalent zoom range on DX.
706999
Yes it is compatible but your not going to get the full 180. Get rid of the DX and get an FX camera. Problem solved.
190575
Just the smaller sensor DX. When I changed to full frame I switched to a Tamron 28-300 it was about the same price and does just fine
516201
DX lenses are designed for non-full frame DSLR cameras. They basically have a smaller window that is the same size as the sensor. On a DX camera you can use either DX or FX (full frame) lenses however it isn't a great idea to use a DX lens on an FX camera (or a film camera).Here is a better explanation http://www.nikonusa.com/Learn-And-Explore/Nikon-Camera-Technology/g588ouey/1/The-DX-and-FX-Formats.html and here is a list of DX cameras http://en.wikipedia.org/wiki/Nikon_DX_format.
1468274
Somewhere I read that the DGX version has better anti-reflective coatings than the DG version...supposedly better for digital cams. Whether that is true or not I do not know...
185368
Note that while this lens will work on all Nikon DSLR's, because it is a FX lens, it will have a different effective focal length for DX cameras like your D40x, which introduces a 1.5x crop factor. That means the 50mm FX lens on a DX camera will provide a 75mm (50mm x 1.5) view because the DX sensor is smaller than the full frame FX sensor. That being said, this 50mm lens is still great for a DX camera and will be an excellent first lens for a FX camera when you upgrade (otherwise, you would have to buy another lens to use the full FX sensor).
692071
the dx unless you plan on moving up to a full frame camera in the future. if you're not going to go full frame don't waste the $ on the fx lens. I have both these lenses, the dx I got first when I first started out, then recently the fx when I got a full frame camera. I've used the fx version on my d7000 (dx body) and honestly I see no real difference between the dx and fx lens on a dx body. even after pixel peeping quite a bit I was really at a loss as to which one was better, they both looked really good.
886541
I recommend using only full frame aka FX camera. The cheapest is d600. If you can get a good deal for a used d700, that would be great too.
1977442
the difference is the size, type 3 is for FX sensor and type 2 for DX, which is what you need.
692070
I would personally go with the DX since this one is designed for a full frame sensor so it will be cropped to like 55 or 56mm
1016560
I'm not sure what FX or DX is. YOu should be able to find out all you want about the K20D at www.dpreview.com/reviews/pentaxk20d Good Luck
921825
Actually, Nikon FX cameras have a setting for lens type which can automatically select the area of the sensor for each lens type -- full for FX and partial for DX. Overriding the setting will result in vignetting with a DX lens on a FX body. The 80-400 zoom on a DX body will have an equivalent focal-length range of 120-600 mm.
1866245
There is a version for DX, the Tokina 11-17 F2.8, that is highly regarded. I have it and can use it on a full-frame camera, but had I known I was going to get a full-frame so quickly I would have purchased the FX version. The issue is that your camera relies on a focus motor in the lens, as I recall. If auto-focus is important to you, be sure you purchase a lens with a motor.
1887986
DX lenses are designed for non-full frame DSLR cameras. They basically have a smaller window that is the same size as the sensor. On a DX camera you can use either DX or FX (full frame) lenses however it isn't a great idea to use a DX lens on an FX camera (or a film camera). Here is a better explanation http://www.nikonusa.com/Learn-And-Explore/Nikon-Camera-Technology/g588ouey/1/The-DX-and-FX-Formats.html and here is a list of DX cameras http://en.wikipedia.org/wiki/Nikon_DX_format.
10431
Some people suggest 8mm fisheye, which is cheaper instead since you don't care the distortion mainly outside DX sensor. But if distortion is your concern, check some sample pictures taken from 8mm fisheye + DX cameras.
107209
To answer the question, YES, DX lenses can be used in FX mode. You can turn off the auto DX crop and assign it to the func button if you want to. You can crop the picture later if you want. Even though the corners of some lenses will be shaded, you can get a neat looking square crop. You can have a lot of fun experimenting. On my Tokina 12-24mm F4, I can use it as wide as 17mm without vignetting. However, on my Tamron 17-50mm F2.8, it vignettes at all focal lengths.