![]() ![]() Also, I advise you to look at the page where it is described The structure of the mirror of the modern central hall. I believe the developers might not have disabled LCD display behind the focusing screen, and use the battery power of the system timer, but most likely they had serious reasons to resort to such measures. ![]() But I noticed a peculiarity that cameras with a pentamirror do not have this property. Which Nikon cameras have this feature - I can't say. When you insert the battery back into the camera and look into the viewfinder, you can see how all the visual elements of the LCD display are initialized and turn off again, leaving only the framing grid if the latter was included in the camera menu. LED backlighting most likely only works when the camera is on. You don’t have to worry about the battery charge the transparent display consumes very, very little energy. Most likely, this circumstance is due to the fact that when the power is turned off, the transparent liquid crystal LCD display turns off and loses its normal ability to transmit light due to the specific features of liquid crystals. 'Viewfinder is dark - Install fully charged battery' In the instructions to Nikon D700, in the troubleshooting section, the following is indicated: The same can be seen in the instructions for other cameras, for example, Nikon D90, D700. When a fully charged battery is inserted, the viewfinder screen returns to normal. 'If the battery is completely discharged or not installed, the viewfinder screen becomes dim. Here is what is written in the camera manual Nikon D80 (18 page) But cameras such as Nikon D80, D90, D700, D3 when the battery or battery pack is removed, they lose all normal ability to sight through the optical viewfinder. This is contrary to common sense, because the viewfinder is a completely mechanical device that should not consume the power of the camera and show the real image that the lens forms. Some Nikon cameras have very strange feature: When the battery is removed from the camera, the viewfinder becomes very dark, dirty and grainy. ![]()
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