Kowa Prominar 25mm f/1.8 Lens for Micro Four Thirds
Kowa Prominar 25mm f/1.8 Lens for Micro Four Thirds
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- Standard Focal Length for MFT Format
- f/1.8 and T1.9 Max Aperture and T-Stop
- 9-Blade Circular Iris
- 8 Lens Elements in 8 Groups
- 9.8" Minimum Focusing Distance
- Dual Link Iris (Silent / Click-Stop)
- Floating Mechanism System
- Aluminum Alloy Body
- Made in Japan
The wide angle manual lens “KOWA PROMINAR 25mm F1.8” has a large field of view and bright F-stop. A greatly reduced TV distortion value of just 0.59% and a minimum focusing distance of 2m ensures high quality close-up pictures with a wide angle.
Dual Link Iris
A dual Link Iris system makes it possible to choose silent or click aperture adjustment. Aperture settings can be changed in an instant
Circular Aperture
The construction of the aperture blades with 9 elements makes it possible that the diaphragm shows a circle at all f-stops, creating a more natural impression.
Aluminium Alloy Body
All internal parts are protected by a solid and rigid aluminium housing.The body feels reassuringly well made with good balance and weightiness in the hand and when attached to a camera body.
Floating Mechanism System
The floating mechanism system is effective in preventing malfunction and increasing the life of the lens. High optical performance was achieved in all photographic subject distances.
Made in JAPAN
From design to inspection, these Kowa lenses benefit from our concept “Made in Japan”. At the forefront of technology, the lenses where designed and developed drawing on over 60 years of Kowa optical heritage.
Standard Package
Master Lens, Lens Hood, Objective Cap, Mount Lens Cover, Soft Case.
| Angle of View | 40.9° (H) x31.1° (V) x50.2° (D) |
| F/T-number | F1.8/T1.9 |
| Filter thread | 55mm (attach to lens hood) |
| Focal Length | 25mm |
| Iris | 9 (Circular Aperture) |
| Lens Construction | 8 Elements in 6 Groups |
| Max Diameter x Length | 60x94mm (excluding the lens hood) |
| Max Reprojection Ratio | 1 : 6.5 |
| Min Foucsing Distance | 0.25m |
| Weight | 400g (excluding the lens hood) |
- Kowa PROMINAR MFT 25mm f/1.8 Lens
- Lens Hood
- Objective Cap
- Mount Lens Cover
- Soft Case
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The wide angle manual lens “KOWA PROMINAR 25mm F1.8” has a large field of view and bright F-stop. A greatly reduced TV distortion value of just 0.59% and a minimum focusing distance of 2m ensures high quality close-up pictures with a wide angle.
Dual Link Iris
A dual Link Iris system makes it possible to choose silent or click aperture adjustment. Aperture settings can be changed in an instant
Circular Aperture
The construction of the aperture blades with 9 elements makes it possible that the diaphragm shows a circle at all f-stops, creating a more natural impression.
Aluminium Alloy Body
All internal parts are protected by a solid and rigid aluminium housing.The body feels reassuringly well made with good balance and weightiness in the hand and when attached to a camera body.
Floating Mechanism System
The floating mechanism system is effective in preventing malfunction and increasing the life of the lens. High optical performance was achieved in all photographic subject distances.
Made in JAPAN
From design to inspection, these Kowa lenses benefit from our concept “Made in Japan”. At the forefront of technology, the lenses where designed and developed drawing on over 60 years of Kowa optical heritage.
Standard Package
Master Lens, Lens Hood, Objective Cap, Mount Lens Cover, Soft Case.
| Angle of View | 40.9° (H) x31.1° (V) x50.2° (D) |
| F/T-number | F1.8/T1.9 |
| Filter thread | 55mm (attach to lens hood) |
| Focal Length | 25mm |
| Iris | 9 (Circular Aperture) |
| Lens Construction | 8 Elements in 6 Groups |
| Max Diameter x Length | 60x94mm (excluding the lens hood) |
| Max Reprojection Ratio | 1 : 6.5 |
| Min Foucsing Distance | 0.25m |
| Weight | 400g (excluding the lens hood) |
- Kowa PROMINAR MFT 25mm f/1.8 Lens
- Lens Hood
- Objective Cap
- Mount Lens Cover
- Soft Case
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