In nowadays DSLR camera is the most popular camera. There is no professional videographer who has not a DSLR . DSLR is a very common gear to start learning professional cinematography . The main benifit of a dslr camera is in dslr camera you can detouch or change the lenses according to your needs. By this feature you can change the lens according to your light variations or the distance of your subject . For taking a landscape frame you need a wide angle lens , for taking wildlife cinematography you need a telephoto lens for taking shot from far away. If you want to take all shots with 1 camera by changing lenses .
If we are focus on the mechanism of a dslr camera we can see that there is one mirror in between light source and image sensor. But while we use the view finder then the light pass 2 mirror .
Each mirror is in 45° angle as we can see in the picture first mirror take the light source and transfer it to the another and we all knows that light can spread in a straight path.
The history of DSLR cameras traces back to the pioneering days of film photography. The transition to digital brought about a revolution, and DSLRs emerged as the forefront of this transformation. Canon, Nikon, and other manufacturers introduced DSLRs with advanced features, revolutionizing the way images were captured and shared.
At the heart of every DSLR lies its optical system. The single-lens reflex mechanism, comprising a mirror and prism, allows photographers to preview the scene through an optical viewfinder, providing a clear, real-time image of the subject. This direct optical view offers unparalleled precision, enabling photographers to compose their shots with utmost accuracy.
One of the defining characteristics of DSLRs is their ability to interchange lenses. This versatility allows photographers to adapt to various shooting scenarios, from wide-angle landscapes to close-up portraits. The extensive range of compatible lenses provides endless creative possibilities, empowering photographers to explore different perspectives and styles.