Representative products of SLR cameras

Nikon D90

Since the Nikon D90 was launched on August 27, 2008, equipped with the 720P camera function for the first time, several leading players in the digital SLR industry have successively launched digital SLR videos. Technical updates in the shooting function. Canon itself occupies a place in the film and television equipment industry. Its EOS lens group can be used on most cameras. It launched the 5DmarkII in November 2008. With its own full-frame image sensor The first full-frame camera due to the advantages of 21.1 million high-pixel hardware has set off a digital SLR high-definition video revolution in the SLR camera industry. Many photographers are slowly getting started and trying to use cameras to take pictures. Even some Hollywood blockbusters will use the SLR high-definition camera function because of their shallow depth of field and high image quality. Nikon's SLR camera functions are not achieved in one step like Canon's, but a step-by-step process. Since the picture quality of SLR photography changes with the hardware of the camera itself, a full-frame, high-pixel, high-sensitivity CMOS image sensor with excellent processing performance and a powerful optical lens group are very important.

In April 2009, Nikon released the D5000, with effective pixels of 12.3 million, 1280×720, and 24fps/s high-definition video shooting capabilities. The most eye-catching feature is its first use of a reversible 2.7-inch camera. The LCD screen provides user-friendly convenience for multi-angle shooting, but like the D90, it does not have an autofocus function when shooting.

The D300S released in July 2009, because the model is positioned as a professional machine, there is not much improvement in the camera function, but in video shooting, it can compare and detect the required points in the picture automatically. To focus, you can also purchase an additional microphone to pick up sound, and the sensitivity is adjustable.

The D3S, released in October 2009, is Nikon's first flagship camera capable of full-frame photography. Its innate ability to process high-sensitivity grains and fine details allows it to adjust high-sensitivity camera modes. The camera function is the icing on the cake, but unfortunately it is still 1280×720, 24fps/s, and does not have the 5DmarkII in place. It may be considered a flagship camera, and the focus should be on the photography function.

The D3100, released in August 2010, broke through the effective pixels of previous entry-level models, improving to 14.2 million. The original D3000 using 10.2 million pixels and CCD image sensor was improved to a 14.2 million pixel CMOS image. Sensor, high-sensitivity noise reduction capability and image quality have been greatly improved, reaching 1920×1080 and 24fps/s full HD video shooting capabilities for the first time. It also adopts H.264/MPEG-4 advanced video compression code for the first time, changing the dynamics that have been used in the past. JPEG video compression format (dynamic JPEG video compression format is conducive to small compressed video files, and is supported by all non-linear encoding systems, but the image quality is relatively poor). This H.264/MPEG-4 advanced video compression code can Provide high-quality video images at low bit rates.

The D7000 released in September 2010 has reached a new level in terms of photography, which can be said to usher in a new era. In addition to reaching 1920×1080 and 24fps/s, it can achieve smooth effects in panning and panning. , can auto-focus, and can have an external microphone, and the shooting length can reach more than 20 minutes (Note: Since the tariff of cameras in the European market is higher than that of cameras, if the video shooting time exceeds 30 minutes, it is considered a camera tariff standard, so most manufacturers set this setting for production standards).