Fujifilm - Fujinon GF 250mm ƒ/4 R LM OIS WR
- Art: Festbrennweite
- Brennweite: 250 mm
- Lichtstärke: ƒ/4
The Fujinon GF 250mm ƒ/4 R LM OIS WR is a formidable telephoto prime lens meticulously crafted for the Fujifilm GFX Medium Format system. Designed to deliver unparalleled image quality, this lens combines advanced optical engineering with robust construction, making it an indispensable tool for professional photographers specializing in portraiture, wildlife, sports, and landscape photography where distant subjects demand exceptional clarity and detail. Its fast ƒ/4 maximum aperture provides excellent low-light performance and allows for profound subject isolation with beautifully rendered bokeh, characteristic of medium format systems.
OPTICAL PERFORMANCE AND IMAGE QUALITY
The optical design of the GF 250mm ƒ/4 R LM OIS WR is nothing short of exceptional, featuring a sophisticated arrangement of 16 elements in 10 groups. This intricate configuration incorporates two Extra-low Dispersion (ED) elements and one Super ED element, which work synergistically to suppress chromatic aberration across the entire focusing range, ensuring images are rendered with pristine color accuracy and remarkable contrast. Furthermore, one Super ED element is specifically employed to minimize spherical aberrations, resulting in enhanced sharpness from edge to edge, even at wide apertures. The lens maintains outstanding resolution, fully leveraging the high pixel count of Fujifilm GFX sensors to produce images with exquisite detail and micro-contrast.
AUTOFOCUS SYSTEM
Equipped with a powerful linear motor, the autofocus system of the Fujinon GF 250mm ƒ/4 R LM OIS WR is engineered for speed, precision, and near-silent operation. This sophisticated motor drives the focusing elements with incredible efficiency, enabling rapid acquisition of subjects, even in dynamic shooting scenarios. The internal focusing mechanism ensures that the lens length remains constant during focus adjustments, contributing to its balanced handling and sealing integrity. The swift and quiet AF performance is crucial for photographers who require discrete operation, such as in wildlife or event photography.
OPTICAL IMAGE STABILIZATION
A highly effective 5.0-stop optical image stabilization (OIS) system is integrated into the GF 250mm ƒ/4 R LM OIS WR, offering a significant advantage for handheld shooting, particularly in challenging lighting conditions or when slower shutter speeds are necessary. This advanced OIS mechanism detects and compensates for camera shake across multiple axes, allowing photographers to achieve critically sharp images without the need for a tripod in many situations. The 5.0-stop effectiveness ensures greater flexibility and creative control, empowering users to capture moments that would otherwise be lost to motion blur.
BUILD QUALITY AND ERGONOMICS
Constructed to withstand the rigors of professional use, the GF 250mm ƒ/4 R LM OIS WR boasts a robust, weather-resistant design. The lens barrel is sealed at 18 points, providing thorough protection against dust and moisture, making it ideal for use in inclement weather conditions or challenging outdoor environments. An additional fluorine coating on the front element repels water, dirt, and smudges, simplifying cleaning and protecting the optical surface. The lens is also designed to operate flawlessly in temperatures as low as -10°C (14°F). Its ergonomic design includes a comfortable grip and strategically placed controls, ensuring intuitive operation and a balanced feel when mounted on a GFX camera body.
ADDITIONAL FEATURES
The lens is equipped with a focus limiter switch, allowing photographers to restrict the autofocus range to either "full" or specific distance ranges. This feature can significantly improve autofocus speed and accuracy when shooting subjects that are either consistently far away or within a closer proximity. Additionally, a focus preset button enables the lens to quickly recall a previously saved focus position, which is particularly beneficial for fast-paced scenarios or repetitive shots. The lens is also compatible with the Fujinon GF 1.4x TC WR Teleconverter, extending its focal length to a 350mm (277mm equivalent in 35mm format) while maintaining excellent image quality and full autofocus functionality.
CLASSIFICATION
The Fujinon GF 250mm ƒ/4 R LM OIS WR unequivocally positions itself as a professional-grade telephoto prime lens within the medium format ecosystem, meticulously engineered to meet the exacting demands of discerning photographers. It excels in delivering a harmonious blend of exceptional optical performance, robust build quality, and advanced features. With its impressive ƒ/4 aperture and 5.0-stop optical image stabilization, it stands as an elite choice for capturing subjects at a distance with unparalleled clarity, whether in the realm of portraiture where subject isolation is paramount, wildlife photography requiring rapid and precise focus, or landscape photography where intricate details across vast expanses are crucial. Its weather-resistant construction ensures reliability in diverse and challenging environments, solidifying its status as an indispensable professional tool. The lens's capability to integrate seamlessly with the GF 1.4x TC WR teleconverter further extends its versatility, enabling photographers to adapt to even more specialized long-range assignments without compromising on optical integrity. This lens is clearly segmented for photographers who require the absolute highest quality and reliability from their medium format system, making it a cornerstone for serious photographic endeavors.
