Remarques sur l'emploi des objectifs AF Nikkor grand-angle ou super grand-angle

Dans les situations suivantes, l'autofocus risque de ne pas fonctionner correctement lors de la prise de vue avec des objectifs AF Nikkor grand-angle ou super grand-angle.

EUne personne debout sur un fond éloigné

FUn champ couvert de fleurs

1.Quand le sujet principal dans les collimateurs de mise au point est relativement petit

Quand une personne debout sur un arrière-plan éloigné est placée dans le collimateur de mise au point, comme illustré à la Fig. E, l'arrière-plan peut être net, alors que le sujet est flou.

2.Quand le sujet principal est une scène ou un sujet possédant des motifs précis

Quand le sujet a des motifs précis ou est à faible contraste, par exemple un champ couvert de fleurs,

comme indiqué sur la Fig. F, la mise au point Fr automatique peut être difficile à obtenir.

Solutions face à ces types de situations

(1)Mettez au point sur un autre sujet équidistant de l'appareil, appliquez la mémorisation de la mise au point, recomposez et déclenchez.

(2)Réglez le mode de mise au point de l'appareil photo sur la mise au point manuelle et effectuez

manuellement la mise au point sur le sujet. Reportez-vous à la section « Optimisation des résultats avec l'autofocus » du Manuel d'utilisation de l'appareil photo.

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Nikon 2178 user manual Solutions face à ces types de situations
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2178 specifications

The Nikon 2178 is a versatile and innovative digital camera designed for both amateur and professional photographers alike. This model is part of Nikon's esteemed lineup, offering a blend of advanced technology, ease of use, and outstanding image quality.

One of the standout features of the Nikon 2178 is its impressive image sensor. It comes equipped with a high-resolution CMOS sensor that delivers stunningly detailed images, even in challenging lighting conditions. This sensor enables users to capture sharp images with vibrant colors and minimal noise, providing exceptional performance in various situations ranging from bright sunlight to low-light environments.

In terms of speed, the Nikon 2178 boasts a fast autofocus system that enhances the shooting experience. With a multitude of autofocus points, including cross-type sensors, capturing moving subjects has never been easier. The camera's continuous shooting mode allows for rapid-fire capturing at impressive frames per second, making it an ideal choice for sports and action photography.

The camera also integrates advanced image processing technology which optimizes image quality and enhances overall performance. The EXPEED image processing engine ensures quick data handling, resulting in minimal shutter lag and faster image processing times. This technology also contributes to the camera’s excellent noise reduction capabilities, further improving images taken at higher ISO settings.

Another notable characteristic of the Nikon 2178 is its user-friendly interface. It features a tilting touchscreen LCD that enhances accessibility and allows for intuitive control over camera settings. This ensures that both novices and seasoned photographers can easily navigate and utilize the camera’s vast array of functions.

The Nikon 2178 is also equipped with 4K video recording capabilities, allowing users to create high-resolution videos with cinematic quality. The camera offers various frame rates and resolutions, enabling filmmakers to unleash their creativity and capture stunning footage with ease.

Additionally, connectivity features such as built-in Wi-Fi and Bluetooth allow for seamless sharing of images and remote control of the camera via smartphone or tablet. This level of connectivity is crucial for today’s content creators who often need to share their work instantly on social media platforms.

Overall, the Nikon 2178 is a remarkable digital camera that combines cutting-edge technologies with user-friendly features. Whether you are capturing breathtaking landscapes, intimate portraits, or action-packed sports, this camera is designed to meet the demands of a diverse range of photographic situations. Its reliability and performance make it an excellent investment for anyone looking to elevate their photography skills.
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