If you have recently been out purchasing a new smartphone or even a photography drone, you may have come across terms such as Image Stabilization. This is the process by which modern camera sensors compensate for camera shake, so that picture taken by the camera is smooth and clear.
Image stabilization is important because even small movements like the shaking of your hand when holding a smartphone can result in a blurry picture. Image stabilization remedies this by using a complicated suite of sensors and processors.
We have already talked about Optical Image stabilization in a previous blog post, which you can read here. In today’s blog post, we will be looking at Electronic Image Stabilization. We look at how it works and whether it is better than OIS.
How EIS works?
EIS takes help from complicated sensors to ‘sense’ the movement of the camera. These sensors send information to the camera’s processor about the camera speed, angular velocity, and position. The processor then adjusts the position of the image to compensate for the motion.
Typically, EIS uses sensors such as accelerators and a gyroscope to detect the movement of the camera. Think of these sensors as the eyes and ears of the processor, telling the processor in real-time how the camera is being moved. Once the processor has received information about the movement of the camera, it adjusts the image to counter the movement.
How EIS is different from OIS?
While both EIS and OIS are types of image stabilization. EIS works on the image after its captured, altering it digitally afterward. OIS on the other hand uses electromechanical means to move the camera sensors before and during image capture.
In essence that makes OIS better because it has more data to work. But that comes at the cost of OIS-enabled sensors being more expensive to implement.
This is why OIS is commonly found in high-end cameras, drones, and smartphones. While EIS is usually found in the budget to low-end smartphones and cameras. Some devices use both OIS and EIS to get the best of both worlds and provide the best possible stabilization.
Best Tips for Astrophotography
Billions of stars decorate the sky during the night. Astrophotography is the art of photographing the beauty of the night sky. This includes photographing all kinds of astronomical objects and events like stars, planets, and even comets.
Getting that perfect Astro photograph can be tricky. In today’s blog post, we will be looking at some tips you can use to get the best photographs of the night sky. Also, as the majority of astrophotography is done during the night, our tips for shooting in low-light conditions also apply here.
1.Get away from light pollution.
The first thing you need to do is to get as far away from the city as possible. This is because light pollution from the city will make it virtually impossible for you to take a good shot of the night sky.
Head out to the countryside or the mountains, basically anyplace remote. Your goal should be a location with a minimal amount of light pollution, so your camera can get the best view of the night sky.
2.Try out different exposure times.
Different exposure times determine how your photographs turn out. Longer exposure times result in star trails. This is because of the rotation of the earth about its axis. So in the pictures, it looks as if the stars are moving and leaving behind trails.
Shorter exposure on the other hand reduces star trails. But the downside is you don’t capture enough light for a detailed photograph. So you have to balance both things put for the perfect picture.
3.Focus Focus Focus!
A simple tip when photographing the night sky in low light conditions is to use manual focus instead of autofocusing.
Manually focusing on brighter stars or even very distant sources of light. Autofocus has a hard time in low light conditions and the result is blurry pictures.
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Sweden, one of the jewels of the Scandinavian belt is known for its scenic northern beauty, stunning inland lakes, thousands of small and beautiful islands, and medieval architecture.
To the north of Sweden, you will find open wilderness of Sweden, while the south is the most populated. The buildings in most major cities are a mix of modern, Romanesque, and Viking architecture.
Let’s look at the must-go places in Sweden.
Sweden’s third largest city, Malmo is full of both modern and contemporary buildings linked with cobblestone roads. A must-see attraction in Malmo is the castle, Malmohus Slott. The beautiful castle surrounded by a protective moat is almost 600 years old.
The Turning Torso, a masterpiece of modern architecture, is also located in Malmo. Other than that, the city is full of museums and cultural hotspots like galleries.
Uppsala is the religious center of Sweden for almost 800 years. Located 44 miles north of the capital Stockholm, Uppsala has always been a holy place. Before Christianity, Uppsala was full of idols of Norse gods.
The Uppsala cathedral is the center of Uppsala and has been the seat of the archbishop of Sweden for centuries. River Fyris runs throughout the city, making it a serene view for anyone walking along it.
Uppsala is also home to the oldest university in Scandinavia, Uppsala Universitet. The largest attraction of Uppsala is botanical gardens, old churches, and dozens upon dozens of walking and hiking paths that allow you experience unfiltered raw Swedish beauty.
A visit to Sweden without exploring Stockholm is cruel, to say the least. Stockholm is a proper international metropolitan city as it is host to a lot of very important international organizations like various headquarters for UN programs like the United Nations Development Program and the United Nations High Commissioner for Refugees. This also attracts a lot of NGOs and research institutes to set up offices in the Swedish capital as well.
Stockholm is also sometimes called the Venice of the north because the city has a lot of waterways cutting through the city with a lot of different islands and peninsulas forming the city. Due to the international nature of the city, you will get to go to world-class museums, theaters, galleries, and other cultural attractions.
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