Nikon FX and DX lenses refer to the format of image sensors on which the lenses are intended to operate. The full frame sensor is the larger of the two. It is the size of a 35mm film frame — 36mm x 24mm.
The field of view how much of a scene you can see through the viewfinder is smaller when using the same lens on an APS-C format camera than it would be on a full frame camera. Nikon DX cameras include the DS and lower camera lines. The Nikon DS is the only current DX format camera with less than four numbers in the model number.
The times when you might want to consider a DX lens over an FX lens for a DX format camera are when you consider wide angle options.
Due to the crop factor discussed above, wide angle DX lenses are generally cheaper than equivalent wide angle FX lenses because of the design. Due to the crop factor, the common kit lenses also look different in terms of price and focal lengths for each format.
Kit lenses for DX cameras are typically lenses like the mm and mm lenses. Advanced users may prefer to spend more money on a higher quality FX format lens to use with a DX format camera due to the overall quality of glass in the lens; however, that is a discussion for another day. Essentially, DX Crop Mode avoids the heavy vignetting that we would otherwise experience when using a DX lens on an FX camera by only recording the image using a smaller section in the center of the sensor.
Of course, this results in an image with a reduced resolution. Not a bad trade-off at all. Nikon DX lenses are generally smaller and lighter than Nikon FX lenses because less glass and a smaller lens barrel is required to produce an equivalent field of view for a lens that goes on an DX camera, like the Nikon D and D lines, when compared to a full frame camera.
Additionally, as mentioned above, the DX line of lenses are generally more affordable. Hopefully, you are now aware of which Nikon lenses are compatible with your camera. As to which lens you should buy, my suggestion is to buy the one that fits your needs. Quality DX lenses hold their resale value just fine. Buy the lens that fits your needs now.
If that means you want a massive FX telephoto lens, then go ahead. If you upgrade to a full frame camera later, it will work fine as well. Generally speaking most 50mm prime lenses are made for FX or full frame cameras, whichever brand.
With a Nikon camera, except the series, series and a few others like the D will work with the Nikon 50mm f1. Its resolution is superb and on a DX camera it equates to a 75mm f1.
Mostly Nikon includes kit lenses of 18 — 55 and 55 — AFS lenses which have a built in focus motor in the lens, so they will work with those cameras mentioned before, whereas the AF 50mm f1.
I have a couple of Ds and they have built in focus motors which is what you need to use any straight AF lenses. Great for wildlife!! And here's why. Each lens is designed to cast an image circle on the camera's sensor. The circle cast by a DX lens is smaller and corresponds to the size of a DX sensor. Non-DX lenses cast a larger image circle corresponding to an FX-format sensor.
On an FX-format camera with a DX lens mounted, the camera will automatically engage its built-in DX crop mode, thus recording an image only from the center section of the sensor. By clicking Sign Up, you are opting to receive educational and promotional emails from Nikon Inc. You can update your preferences or unsubscribe any time.
Understand the differences between the formats to determine which is the one for you. Search Articles. Glossary Off On. Featuring Diane Berkenfeld. More Like This More articles like this. Article Collections. DX lenses are developed and manufactured with the user in mind.
The importance of convenience cannot be overstated. These lenses are sharp, but not as sharp as high-end pro lenses designed primarily for working photographers. The DX lenses are primarily meant as kit lenses for less experienced users, rather than luxury lenses. The concave curvature of the FX lens results in a larger image circle.
With higher sensitivity and lower noise, these lenses have the sensors in a rectangular shape that also results in the images in a rectangular shape. Multiple lenses have been created to fit various active sensor types.
DX cameras feature smaller sensors, hence corresponding DX lenses have been produced that are suited for usage with the DX sensor.
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