Komuranon 90-250mm F/4.5 K·M·C
Telephoto zoom lens • Film era • Discontinued
- Announced:
- · 1980
- Production status:
- ● Discontinued
- Country of design:
- · Japan
- Original name:
- · KOMURA LENS MFG. LTD K·M·C KOMURANON MACRO 925 1:4.5 f=90~250mm
- Class:
- · Slow full-frame telephoto zoom lens
Model history (2)
| ■Sankyo Kohki Super-Komura 90-250mm F/4.5 [Unidapter Auto] | A | 13 - ? | 2.00m | ⌀67 | ● | |
| ■Komuranon 90-250mm F/4.5 K·M·C [Unidapter Auto] | A | 12 - 9 | 2.00m | ⌀62 | 1980 ● | |
Specification
| Optical design: | |
| 35mm full frame | |
| 90mm - 250mm [2.8X zoom ratio] | |
| F/4.5 across the focal length range | |
| 12 elements in 9 groups | |
| Interchangeable mount (Unidapter Auto) | |
| 27° @ 90mm - 9.9° @ 250mm (35mm full frame) | |
| Diaphragm mechanism: | |
Diaphragm type: | Automatic |
Aperture control: | Aperture ring (with or without Auto Exposure setting) |
| 6 (six) | |
| Zooming: | |
Zoom mechanism: | Manual |
Zoom control: | Zoom ring |
Zoom type: | Rotary |
Zooming method: | Extends while zooming |
| Focusing: | |
| 2m | |
| 0.60m @ 90mm (in MACRO mode) | |
| 1.36m @ 250mm (in MACRO mode) | |
| 1:4 @ 90mm (in MACRO mode) | |
| 1:4.6 @ 250mm (in MACRO mode) | |
Focusing modes: | Manual focus only |
Manual focus control: | Focusing ring |
| Physical characteristics: | |
| 990g | |
| ⌀71×198mm | |
| Accessories: | |
| Screw-type 62mm | |
| Built-in telescopic round | |
| Komura Telemore95 II 7·K·M·C → 180-500mm F/9 |
Source of data
- Manufacturer's technical data.
From the editor
A version with a modified optical formula and a macro mode, which is activated using a separate ring located on the lens barrel.
For a list of available interchangeable mount adapters, please refer to the page dedicated to the Komuranon 24-35/3.5.