Short Exposure of 4 secs Reveals the Magnificent Core of Milky Way Galaxy with a Sony A7s III as Seen from Dark Sky® Alqueva
Alqueva´s Dark Sky Reserve | By Year: 2024 | Milky Way & Infrared
Sometimes we get people (visitors and students) thinking that they might need an astro modified camera to capture the Milky Way….but, it’s totally wrong! You simply don’t!! As well as you don’t need a star tracker and you don’t need to stack images! So I took this recent shot to prove why you don’t need any of this. The image is just a single short exposure of 4 seconds taken from one of the best skies in the world, our lovely @darkskyalqueva reserve in Portugal. I used a normal Sony A7sIII which has only 12 megapixels at ISO 2500, with a great lens the 50mm G Master at f1.2 So what do you really need? In my opinion the answer is a Great Sky and a Great Lens, everything else nowadays is not essential. Of course a good camera will help special if it has a nice performance in low light conditions but with the first two conditions met, ISO 2500 is more than enough if you don’t want to burnout the image! An astro modified camera would just add a bit of more reddish hues in Lagoon nebula, still visible in top central edge of the image with a none modified camera as this one. So if you are not a professional or not intend to make deepsky, you probably don’t need a modified camera for a nice summer views and the Milky Way! Invest on good lenses first and go hunting for the darkest skies on Earth!
PT: Por vezes, temos pessoas (visitantes e estudantes) que pensam que podem precisar de uma câmara astromodificada para captar a Via Láctea… mas é totalmente errado! Você simplesmente não precisa!! Além disso, não precisa de um startracker e não precisa de empilhar imagens! Por isso, tirei esta foto recente para provar porque é que não precisa de nada disto. A imagem é apenas uma curta exposição de 4 segundos tirada de um dos melhores céus do mundo, a nossa adorável reserva Dark Sky® Alqueva, em Portugal. Utilizei uma Sony A7sIII normal que tem apenas 12 megapixeis a ISO 2500, com uma grande lente a 50mm G Master a f1.2.Então, o que precisa realmente? Na minha opinião, a resposta é: um Grande Céu e uma boa objectiva, tudo o resto hoje em dia não é essencial. É claro que uma boa câmara ajudará especialmente se tiver um bom desempenho em condições de pouca luz, mas com as duas primeiras condições cumpridas, ISO 2500 é mais do que suficiente se não quiser queimar a imagem! Uma câmara astro modificada apenas acrescentaria um pouco mais de tons avermelhados na nebulosa da Lagoa, ainda visíveis na margem central superior da imagem com uma câmara não modificada como esta. Portanto, se não é um profissional ou não pretende fazer céu profundo, provavelmente não precisa de uma câmara modificada para ter uma bela vista de Verão da Via Láctea! Invista primeiro numas “boas lentes” e vá à caça dos céus mais escuros da Terra!
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