Nikon Nikkor T ED 800mm f/12

Nikon Nikkor-T-ED 800mm f/12 is the ED-glass extreme-telephoto LF lens at 800mm — for 4×5 + 5×7 + 8×10 distant subject isolation.

Key features

• Mount: Copal 3 shutter (1s to 1/125, X-sync at all speeds)
• Focal length: 800mm (effective)
• Maximum aperture: f/12
• Image circle: ~380mm at f/22 — covers 8×10 with movements
• Optical formula: ED-glass telephoto
• Multi-coating standard
• Heavy — Copal 3

Use case + rendering

The 800 T-ED is the 8×10 extreme-tele Nikkor — among the longest 8×10-coverage lenses. Used for distant wildlife, architectural compression. Direct competitor to Schneider Apo-Tele-Xenar HM 800.

Compatible cameras

• 8×10 view cameras with extended bellows + heavy-duty rail

Related lenses

• Nikon Nikkor-T-ED 600mm f/9 — wider T-ED sibling
• Nikon Nikkor-T-ED 1200mm f/18 — longer T-ED sibling
• Schneider Apo-Tele-Xenar HM 800mm f/12 — Schneider equivalent