We often see pictures, and we thought to get to those results need to do high post in programs with Adobe Photoshop.
True that we often simulate various effects in post-production, but there are many accessories that you can, and should, use to have less work or even not need to “fix” after, as for example, diffusers, tripods, and the … filters!
Today you will learn more about the photographic filters: what are they, what are their types, which your utility and how to use them.
What are photographic filters?
They are accessories that, coupled to the cameras, create special effects on pictures by changing the controls of light, color, or even as a protection for the lens. They are made of gelatin, glass, Crystal or plastic and most often are circular.
To realize the importance of a photographic filter from securitypology.com, test: take a picture with a filter and one without, you’ll see clearly the difference. Noting that with the protection filter you will not see any difference, because it has only one purpose, that will be mentioned below.
Despite favourable, your use is not mandatory. Each filter has a specific function, but is it possible to make good photos without them.Many photographers do not use any filter and are not favourable to the use, sharing reviews with other professionals who are adherents to the filters, mainly for protection.
What are the types of photographic filters?
There are several types of filters. That’s why we willkeep the main, which will be addressed below.
Protection filters: as its name says, serve to protect the lens against breakage, scratches, dust or fingerprints. Must be used with each use and serve only as protection, not changing at all your photos. Can you imagine photographing a children’s birthday party? Kids running, a lot of people in a small space and your newly purchased equipment there at the mercy of a beat, break or fall. In this case, you will not want to risk and, therefore, can buy a protective filter.
UV Filters: filters are also with the purpose of protection, but with an additional interesting: prevent the capture of the ultraviolet rays through the lens of the camera. Prevent this type of beam reach the sensor or photographic film, as well as ruin them, you can change the colors of the landscape in photography. Ultraviolet filters do not alter any other property, but in pictures on the coast and in the mountains, for example, make the difference. Imagine a photo session made on the beach: the wind you can splash water drops on the lens, not to mention the amount of sand that will fly to your precious camera.With a protective filter, at the end of the photos, the lens of your camera is protected and you can rinse the filter, leaving – clean again.In addition to protection, as already mentioned, the colors in your picture will be much more real.
Polarizer: this is a more advanced filter, and soon we will treat him with a unique article. Ideal to take the reflection in photographs taken in Windows, glass or Windows. The polarizing filter also gives us the opportunity to increase the color intensity in landscapes. Imagine you photograph a rural landscape and be able to make the sky more blue, for example? With this filter you can. It increases the contrast between sky and sea, noting what you prefer in the photograph. So if you like photographing landscapes or external scenes and wants to buy a filter, choose the polarizer. The photos with polarizer are very easy to see the difference of that don’t have, because what is lost with the reflections, if WINS in contrast and color saturation. I’m sure your pictures will be sharper and brighter colours.
ND filters or neutral: neutral density and have change the amount of light that enters the lens of the camera. If you want to shoot with longer exposure time, is interesting to reduce the amount of light. This filter has the purpose of reducing and, with it, you will be safe in making pictures with long exposures, without risk of burning your photos. We say that the camera has an attached accessory: sunglasses, because they act on the cameras so similar to solar glasses in the eyes of a person.
This is an example of photo with and without ND filter which is on the site of the filters Lee .
How to use photographic filters?
Remember to always use filters with good quality in your photographs, so that really make a difference and achieve the desired goal. You should buy a filter compatible to your lens diameter, since it will be threaded on it. It is easy to find, look for a number expressed in mm, usually on the front of your machine. Some filters are not threaded, and Yes docked at the base. The advantage of fitting is the fast exchange of filters, depending on the need of use.
As mentioned earlier, some photographers prefer to use cameras without filters. This is because changes can be made in image editors. The advantage of using a filter is that you’ll see soon changes, having to make fewer changes in editions.
There is no filter for my camera?
These days you won’t find hardly filters, as they are manufactured according to the mm lens and not all lenses follow the same pattern, you can search for adapters, the “step up” and “step down”.
Some camera models sell filters specific to them, and then they are only good for that lens of that model, as in the case of some bridges (superzoons) and mirrorless.
And to strengthen, make comparisons between brands and, if possible, search forums who has already used the model you want to buy and primarily keep an eye on the equipment using the filter.
I say this because when I wanted to buy a polarizing filter, an American friend who at the time used a State-of-the-art equipment, including advanced lenses, used a polarizer to u $4.00 with no problems, but I found out the difference sometimes those of u $4, oo to the U $80,00, can be just the optical quality that could adversely influence the optical quality of the lens that wasn’t top like his!
And to give a “plus” in this article, I made this video classes on how to simulate the Polarizer and ND filters in Photoshop to correct excess sky light on a photo, so you can better understand how they work, or even decide if you want to simulate them instead of using them
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