Nikon DX format

Source: Wikipedia, the free encyclopedia.
CMOS image sensor of the Nikon D90
The Nikon D40 is a DX-format camera. Here, the DX-sized image sensor is exposed.
Comparison of image sensor sizes, including Nikon DX.

The Nikon DX format is an alternative name used by

35mm format. The format was created by Nikon for its digital SLR cameras, many of which are equipped with DX-sized sensors. DX format is very similar in size to sensors from Pentax, Sony and other camera manufacturers. All are referred to as APS-C, including the Canon
cameras with a slightly smaller sensor.

Nikon has produced 23

Nikon FX format sensor that is the size of the 135 film
format.

In 2013, Nikon introduced a high-end compact camera with a DX-sized sensor, the Nikon Coolpix A, featuring an 18.5 mm lens.[1]

Implications

The 1⁄3 smaller diagonal size of the DX format amounts to a 1⁄3 narrower

FX format), using a lens of the same focal length. Strictly in angle-of-view terms, the effect is equivalent to increasing focal length by 50% on a 135 film camera, and so is often described as a 1.5x focal length multiplier
.

This effect can be advantageous for telephoto and macro photography as it produces a tighter crop without the need to increase actual focal length. However it becomes disadvantageous for wide-angle photography as a wide-angle lens for 135 film effectively becomes a normal lens for the DX format (e.g. 28 mm x 1.5 = 42 mm 135 film equiv.). This has led to the increased development of the DX format-specific lenses for the Nikon F-mount. Since these lenses do not need to cover the 135 film area, they are smaller and lighter than their 135 format counterparts of equal angle-of-view. The production of DX-specific lenses has also enabled the production of affordable wide-angle lenses for the format (e.g., 12 mm), whereas costly ultra-wide-angle lenses from the 135 format were formerly required.

When DX format lenses are used on 135 format cameras, vignetting often occurs, as the image circle does not cover the entire area of the 135 format.

Vignetting produced by using a DX-format lens on a full-sized 35mm frame.

Active sensor size

Nikon uses DX format sensors with slightly different active areas, which is the area where the image is captured, although all of them are classified as APS-C. Image sensors always have additional pixels around the active pixels, called dummy pixels (unmasked, working pixels) and optical black pixels (pixels which are covered by a mask used as a black-level reference). The size differences are minuscule and not noticeable in practice:

Camera Active width

(mm)

Active height

(mm)

Horizontal

pixels

Vertical

pixels

Megapixels
Nikon D1 23.7 15.5 2,012 1,324 2.7
Nikon D1H 23.7 15.5 2,012 1,324 2.7
Nikon D1X 23.7 15.5 3,008 1,960 5.9
Nikon D2H 23.7 15.5 2,464 1,632 4.2
Nikon D2Hs 23.7 15.5 2,464 1,632 4.2
Nikon D2X 23.7 15.7 4,288 2,848 12.3
Nikon D2Xs 23.7 15.7 4,288 2,848 12.3
Nikon D40 23.7 15.5 3,008 2,000 6.0
Nikon D40x
 23.7 15.6 3,872 2,592 10.1
Nikon D50 23.7 15.5 3,008 2,000 6.0
Nikon D60 23.6 15.8 3,872 2,592 10.1
Nikon D70 23.7 15.5 3,008 2,000 6.0
Nikon D70s 23.7 15.5 3,008 2,000 6.0
Nikon D80 23.6 15.8 3,872 2,592 10.1
Nikon D90 23.6 15.8 4,288 2,848 12.3
Nikon D100 23.7 15.5 3,008 2,000 6.1
Nikon D200 23.6 15.8 3,872 2,592 10.1
Nikon D300 23.6 15.8 4,288 2,848 12.3
Nikon D300S 23.6 15.8 4,288 2,848 12.3
Nikon D500 23.5 15.7 5,568 3,712 20.9
Nikon D3000 23.6 15.8 3,872 2,592 10.1
Nikon D3100 23.1 15.4 4,608 3,072 14.2
Nikon D3200 23.2 15.4 6,016 4,000 24
Nikon D3300 23.5 15.6 6,000 4,000 24
Nikon D3400 23.5 15.6 6,000 4,000 24
Nikon D3500 23.5 15.6 6,000 4,000 24
Nikon D5000 23.6 15.8 4,288 2,848 12.3
Nikon D5100 23.6 15.6 4,928 3,264 16.2
Nikon D5200 23.5 15.6 6,000 4,000 24
Nikon D5300 23.5 15.6 6,000 4,000 24
Nikon D5500 23.5 15.6 6,000 4,000 24
Nikon D5600 23.5 15.6 6,000 4,000 24
Nikon D7000 23.6 15.6 4,928 3,264 16.2
Nikon D7100 23.5 15.6 6,000 4,000 24.1
Nikon D7200 23.5 15.6 6,000 4,000 24.2
Nikon D7500 23.5 15.7 5,568 3,712 20.9
Nikon Coolpix A * 23.6 15.7 4,928 3,264 16.2

* Coolpix A is a fixed-lens,

compact camera
.

Lenses

Nikkor DX lenses are marked with the DX logo.
Main article: Nikon F-mount
Main article:
List of Nikon F-mount lenses with integrated autofocus motors

Lenses for Nikon DX format

  • 10.5mm f/2.8G ED AF DX Fisheye
  • 35mm f/1.8G AF-S DX
  • 40mm f/2.8G DX Micro-Nikkor
  • 10-24mm f/3.5-4.5G ED AF-S DX
  • 12-24mm f/4G ED-IF AF-S DX
  • 16-85mm f/3.5-5.6G ED-IF AF-S DX
  • 17-55mm f/2.8G ED-IF AF-S DX
  • 18-55mm f/3.5-5.6G ED AF-S DX
  • 18-55mm f/3.5-5.6G ED AF-S II DX
  • 18
    -
    55mm f/3.5-5.6G AF-P DX
  • 18-70mm f/3.5-4.5G ED-IF AF-S DX
  • 18-135mm f/3.5-5.6G ED-IF AF-S DX
  • 55-200mm f/4-5.6G ED AF-S DX
  • 55-300mm f/4.5-5.6G ED AF-S DX
  • 70-300mm f/4.5-6.3G ED AF-P DX

Current Vibration Reduction (VR) lenses in DX format

  • AF-P DX NIKKOR 10-20mm f/4.5-5.6G VR
  • AF-S DX NIKKOR 16-80mm f/2.8-4E ED VR
  • AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR
  • AF-S DX NIKKOR 18-55mm f/3.5-5.6G VR
  • AF-S DX NIKKOR 18-55mm f/3.5-5.6G VR II
  • AF-P DX NIKKOR 18-55mm f/3.5-5.6G VR
  • AF-S DX NIKKOR 18-140mm f/3.5-5.6G ED VR
  • AF-S DX NIKKOR 18-105mm f/3.5-5.6G ED VR
  • AF-S DX NIKKOR 18-200mm f/3.5-5.6G ED VR II
  • AF-S DX NIKKOR 18-300mm f/3.5-5.6G ED VR
  • AF-S DX NIKKOR 18-300mm f/3.5-6.3G ED VR
  • AF-S DX NIKKOR 55-200mm f/4-5.6G ED-IF VR
  • AF-S DX NIKKOR 55-200mm f/4-5.6G ED VR II
  • AF-S DX NIKKOR 55-300mm f/4-5.6G ED VR
  • AF-S DX NIKKOR 55-300mm f/4.5-5.6G ED VR
  • AF-P DX NIKKOR 70-300mm f/4.5-6.3G ED VR
  • AF-S DX Micro NIKKOR 85mm f/3.5G ED VR

See also

References

  1. ^ "Nikon COOLPIX A". nikonusa.com.


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