Hello, can someone tell me exactly when I should put the lens hood on the camera.
For example, I'll be photographing a football match soon, but half of it will be at dusk/dark, meaning only floodlights. Does it make sense to use the GeLi at that time or not?
Thanks in advance.
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As the name says: Counter lightdazzling
So in situations where you photograph contrasted to strong light sources, e.g. towards the sun or night direction street lamps or headlights.
I would have them for safety, even if the lamps are very far up, it can come to Lensflares depending on the angle of exposure.
In principle, a counter-light diaphragm is always sensible, and it has no disadvantages, so you are well advised to leave it on.
A floodlight or any other light source can also cause flares. In addition, a counter-light diaphragm also serves as an objective protection if you touch the lens somewhere, not scratching the lens.
Good lenses are not really susceptible to scattered light, but if the lens gets problems like unwanted flares or contrast problems, then it has to get up. Otherwise, you can always leave it on, especially if the lens (glass) is not deep in the lens and this is usually the case. Protects from scratches too.
The name counterlight diaphragm is somewhat too short, actually it is a scattered light diaphragm. It reduces the incidence of scattered light into the lens, which is otherwise wildly scattered around in the lens and thus creates a light barrier. This improves the contrast. The effect is particularly striking when one has a strong light source just outside the field of image, i.e., counterlight, and therefore also the designation. Basically, it is therefore almost always good to use a counterlight diaphragm. An additional effect is that the counterlight diaphragm protects the front lens against mechanical damage without changing the optical properties.
I’ve always got a scattered light. A small Rempler and already the thread has a Macke on the front. Then prefer to sacrifice the more flexible blend. Although it does not help against all inconvenience, I think the typical inattentivenesses are alleviated.
The counter-light diaphragm does not help with direct counter-light which prevents obliquely incident side light from reflexing on the objective.
And it prevents you from accidentally hitting the front lens somewhere and scratching the optics.
I always let her down if she wouldn’t throw shadows in close-ups.
Or if it doesn’t fit into the bag.
The name of the diaphragm already reveals it. Counterlight should be avoided. So it is especially suitable for low standing sun. Flood light usually comes from above and since the game takes place on the ground, the spotlights are not very disturbing.
I’ve got the flashlight on it.
The term is misleading. Against counterlight (i.e. light sources that are visible in the picture) does not bring anything – as well? It’s a
Sludge,
the light from the side that appears on the front lens shades. Scattered light reduces the image quality more or less. So always on when there’s strong light in the game.
Or even always because the diaphragm also prevents, for example, that you have contact with the front lens to objects or fingers.