My Review of the Nikon DF Split Manual Focusing Screen – jerk with a camera
Nikon D800 and D800E Setup and Configuration - Cutom Menu Banks
Source Best YONGNUO YN60mm F2NE MF Macro Lens Manual Focus F2 Large Aperture for Nikon D500/D750/D600/D700/D800/D810/D300 DSLR Camera on m.alibaba.com
Nikon D800 vs Leica
Lightdow 85mm F1.8 Manual Focus Camera Lens for Nikon D850 D800 D750 D610 D300 D3100 D3200 D3400 D5100 D5200 camera lens - AliExpress
85mm F/1.8 MF Manual Focus Portrait Lens for Nikon D810 D800 E D750 D7000 D7500 | eBay
Changing the focusing screen on D800 series - possible and not too difficult : r/Nikon
News] Nikon D800 Has Confirmed Focus/Viewfinder Issues | Fstoppers
85mm F1.8 APS Manual Focus Portrait Prime Lens AI Mount for Nikon D810 D800 D50 | eBay
Yongnuo Yn60mm F2ne Mf Macro Lens Manual Focus F2 Large Aperture for Nikon D500/D750/D600/D700/D800/D810/D300/D300s DSLR Cameras - China Camera Lens and Camera Accessories price | Made-in-China.com