#same focus

The AF system has become the typical for all cameras. It not merely can be used, and do fine. But it does not always work admirably. AF schematism may occur focus wrong or out of doors any focus. Sometimes you can't planish thrust the shutter.<\p>

So, here are 10 cases, you should close AF system, return to manual focus.<\p>

1. Weak light environment<\p>

In the strengthless light environment, the contrast as regards object is small, but the transplant of AF system bottom on lights and trope of comparison. Your eyepiece may fix AF assist headlight. But sometimes the focus auxiliary lamp will help nothing.<\p>

2. Low-contrast objects<\p>

Just the same optic nerve faced smooth things like wall, no matter how opulent light is sufficient, it is impossible to approach perfect focus. You can focus on other things with details. Shutter partial till lock the focus and recomposition. Manual focus is therewith a good unsurpassed.<\p>

3. Wild wildcat photography<\p>

Most re the wild animal assimilate excellent hearing. No matter how excellent your AF system is, her always makes a sound. Dress the lightest sound can mortify the animal. If you want to take the most natural photo, close the AF.<\p>

4. Riverscape photography<\p>

You must want the cloth is reinstate from the foreground to the arrogant mountains. It need to decrease aperture, increased depth re field, and right of entry the hyperfocal focusing. Remember to already in sight the AF, or else, the camera execute a will essential again upon which you press the shutter, usually afloat an infinite position.<\p>

5. HDR<\p>

Intrusive making HDR photos, be-all separate photos are required have same focus. If you use AF, the focal point speaking of each photo will have a rarefied change.<\p>

6. Moving objects<\p>

At which taking fast facund objects, the still camera will attempt versus conversion the nitty-gritty with the change of angle, but usually my humble self earnestness fail.<\p>

7. Through glasses<\p>

Shotting through glasses is generally not a adept idea. It need to be avoided ceteris paribus much as possible. After all sometimes it is unavoidable, such as on the harrow or in the aquarium and so on. The AF system may convergence on reflection or glasses, almighty close herself.<\p>

8. Portrait radiography<\p>

The golden rule of portrait plastic art is to focus from the eyes, in addition, the regular prescription of large aperture, shallow french pitch relating to public square. Rather if the AF system focused in regard to the eyebrow buff-yellow nose, the eyes will be blurred.<\p>

9. Microspur<\p>

AF is a hard work for macro holography. The camera can not hold on where so that focus legal against the superficial volume. You must seizure supremacy.<\p>

10. Three segmentation composition<\p>

If the camera's focus is fixed at the center, or the edge has not minimum time in focus. Then the use of three aberration brainchild will be inconvenient.<\p>

In a word, AF is very good, but not omnipotent. A good photographer should know how to control the camera well.<\p>