Key facts
- Brand
- Nikon
- Model
- 4 IF
- Category
- Other device
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-08
Start here
Nikon Medical-Nikkor 120mm f/4 IF Instruction Manual
This manual provides step‑by‑step instructions for installing the Medical‑Nikkor 120mm f/4 IF close‑up lens on a Nikon camera, connecting either AC or DC power units, and selecting the appropriate sync cord for your camera model. It also covers setting the ASA/ISO film speed, focusing, exposure measurement, and using the built‑in ring‑light flash.
Additional sections describe grounding requirements, optional accessories such as a leatherette compartment case and 3 m power cord, and detailed technical specifications of the lens, power units and performance characteristics.
Nikon 4 IF specifications
| Focal length | 12–24 mm |
|---|---|
| Maximum aperture | f/4 |
| Lens construction | 11 elements in 7 groups (3 aspherical, 2 ED) |
| Picture angle | 99° – 61° |
| Closest focusing distance | 0.3 m (1 ft.) at all zoom settings |
| Diaphragm | 7‑blade |
| Weight | Approx. 465 g |
| Dimensions | ≈ 82.5 mm dia. × 90 mm |
| Attachment size | 77 mm (P = 0.75 mm) |
All Nikon 4 IF documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the closest focusing distance?
The closest focusing distance is 0.3 m (1 ft.) at all zoom settings.
What accessories are included with the lens?
The lens comes with a 77 mm snap‑on front cap (LC‑77), a bayonet hood HB‑23, and a rear cap LF‑1.