![How do I fix the problem on my Nikon D3400 saying "lens not attached" for a Vivitar series 1 500 mm manual Telephoto lens? - Photography Stack Exchange How do I fix the problem on my Nikon D3400 saying "lens not attached" for a Vivitar series 1 500 mm manual Telephoto lens? - Photography Stack Exchange](https://i.stack.imgur.com/S7P9R.jpg)
How do I fix the problem on my Nikon D3400 saying "lens not attached" for a Vivitar series 1 500 mm manual Telephoto lens? - Photography Stack Exchange
![Capture NX-D, View NX-i, NEF Codec, Picture Control Utility updated with support for the Nikon D3400 - Nikon Rumors Capture NX-D, View NX-i, NEF Codec, Picture Control Utility updated with support for the Nikon D3400 - Nikon Rumors](https://nikonrumors.com/wp-content/uploads/2016/08/Nikon-D3400-camera-with-SnapBridge.jpg)
Capture NX-D, View NX-i, NEF Codec, Picture Control Utility updated with support for the Nikon D3400 - Nikon Rumors
![I want to use my Nikon d3400 as a Pc webcam. But for that I have heard I need to connect it via hdmi. But a hdmi won't fit in the lower I want to use my Nikon d3400 as a Pc webcam. But for that I have heard I need to connect it via hdmi. But a hdmi won't fit in the lower](https://preview.redd.it/7t4exxthk1c81.jpg?auto=webp&s=ba790fa93f4649bf664e7923e8b75d80aacd7f65)