The video shows how to fix (F- - ) error. The error occurs when AF Extension Tube is attached with Nikon Entry level DSLR like Nikon D3100.
The original article is here - [ Ссылка ]
![](https://i.ytimg.com/vi/vfF_tC8BaR0/maxresdefault.jpg)
The video shows how to fix (F- - ) error. The error occurs when AF Extension Tube is attached with Nikon Entry level DSLR like Nikon D3100.
The original article is here - [ Ссылка ]