TECH­NIQUE AS­SESS­MENT

Is our stargazer ready to cap­ture some night skies? Alyn shares point­ers for set­ting up his eos Dslr...

Photo Plus - - The Apprentice -

LIGHT Up THE night

for night photos when you’re far from city lights, you need to get as much light as pos­si­ble into your lens and onto your Canon DSLR’S sen­sor. To do this, shoot in Man­ual mode, and open the aper­ture to max­i­mum on your wide-an­gle lens – e.g. f/2.8 or f/4 – and set your ISO re­ally high to around 3200 (de­pend­ing on light pol­lu­tion in the sky). Also set a shut­ter speed around 20-30 sec­onds. Take a test shot, and if your scene and the stars in the sky are still too dark, in­crease your ISO to 6400. More on ISO be­low…

High iso To ITS Lim­its

“You’ll need to shoot at a high ISO when you want to cap­ture the stars at night. Push your Canon DSLR’S ISO per­for­mance to its lim­its. My trusty 6D is very good at pre­serv­ing de­tail at high ISO set­tings up to 6400,” Alyn says, “I ac­tu­ally think the high ISO per­for­mance is bet­ter on the 6D than on the new 6D Mk II.” Thomas’s top-of-the-tree pro Canon 1D X Mark II cap­tures fairly noise-free images up to ISO10000. But switch off the Long Ex­po­sure Noise Re­duc­tion in your menu, as it will take a sec­ond ex­po­sure as long as your first to merge with your orig­i­nal. At ISO1600 and over, this set­ting can ac­tu­ally make images look grainier. Af­ter­ward you can re­duce the noise of your Raw images in photo pro­cess­ing soft­ware like Pho­to­shop and Light­room.

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