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Showing posts from January, 2021

Review of the Sigma 10-20mm F3.5 EX DCH SM

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Review of the Sigma 10-20mm F3.5 EX DCH SM  The sigma 10-20mm f3.5 EX DC HSM is a wide-angle lens existing in the already highly competitive world of wide-angle zoom lenses. There are many wide lenses available and it's sometimes difficult to sort through them all. Perhaps this through saturation is the reason that the sigma 10-20mm F3.5 was completely unknown to me even though it was initially released in 2009. As primarily a landscape, adventure, and nature shooter, the majority of my work is shot using focal lengths less than 50mm. So I was extremely interested to get my hands on a relatively lesser-known wide-angle lens to see how it would perform. The sigma 10-20mm f3.5 is intended for cropped sensors cameras (APS-C, DX) targeted for those who need a wide-angle landscape lens or for times when a borderline super wide-angle perspective is needed. The relatively fast F3.5 aperture capability means that the lens can handle fast shutter speeds in relatively low light situations wi...

International Trade & Taxes

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 International Trade & Taxes Definition:  Taxes on international trade include import duties, export duties, profits of export or import monopolies, exchange profits, and exchange taxes. Description:  The map below shows how Taxes on international trade (% of revenue) varies by country. The shade of the country corresponds to the magnitude of the indicator. The darker the shade, the higher the value. The country with the highest value in the world is Benin, with a value of 41.22. The country with the lowest value in the world is Croatia, with a value of -0.02. Limitations and Exceptions:  For most countries central government finance data have been consolidated into one account, but for others only budgetary central government accounts are available. Countries reporting budgetary data are noted in the country metadata. Because budgetary accounts may not include all central government units (such as social security funds), they usually provide an incomplete pictur...

Climate change

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 C limate change: The definition of climate states that the word “climate’ is used to refer to long term periodic variations in the weather patterns that are observed over centuries. Ever since the Earth was created, it is going through many changes simultaneously, and this leads to climate change. Climate change happens cyclically, it had started from a colder ice age, and at the very present, it is much warmer than it was two million years ago. All these millions of life forms we see today on Earth is because of the non-stop energy received from the Sun, which is the ultimate source of energy, which is continuously fuelling the weather system. To jot down a few notable changes, the world is experiencing arbitrary droughts, unexpected weather patterns and sudden rainfall and snowfall, there is a constant fluctuation in the temperatures leading to disasters like a forest fire, and the weather is no longer predictable enough. The changes are random, and it is getting stressful day b...