STAR EATER SERIES at 400% – This is the same series as above but now blown up 400% to better reveal the very subtle change in pixel-level sharpness as exposure lengthened from 3.2 to 4 seconds. Why would that be? Only being f/4 is gonna limit you. Released five years after the original A7, the Sony A7III marks the third generation of Sony’s ‘entry’ level full-frame mirrorless camera series. Over the last year or so, firmware updates from Sony introduced a much-publicized penchant for Sony Alphas to “eat” stars even in Raw files, apparently due to an internal noise reduction or anti-aliasing routine users could not turn off. In testing the Sony A7III I ignored all the auto functions. To the eye, the Sony and Nikon look very similar for noise levels, just as in the moonlit scene. I expected the new BSI-equipped Sony to better the Nikon by about a stop. I have been into Astrophotography since a couple of years now. While you can look through and frame using the EVF as you would with a DSLR, you are looking at an electronic image from the sensor, not an optical image from the lens. The image with e-shutter and in Silent Mode is a tad sharper, but that could be just as much from variations in seeing conditions as from the lower vibration from using the electronic shutter. This is most noticeable – indeed usually only noticeable – when shooting deep-sky targets though telescopes. He is an associate editor of SkyNews, Canada’s magazine of stargazing, and a contributing editor to Sky & Telescope magazine. The advantage of purely electronic viewing is that the image you are previewing matches the image you’ll capture, at least for short exposures. This movie tutorial covers the camera settings I use for capturing shallow depth of field portraits using an 85mm prime lens or Pro Zoom. Excellent! Here are 7 astrophotography tips that have helped me capture hundreds of images of the night sky including stars, the Milky Way, Galaxies, Nebulae and more. But none are “eaten” or wiped out. I've watched a couple videos and there seems to be some major noise/star eater if you use any ISO over 800 (its a variable ISO in the Cameras) I'm heading to Zion National park and I'm only going to get one crack at nailing this so was hoping someone could give me some advice of successful settings they've used? Dark Frames  Shadow noise is similar in all images, with the ones taken with LENR on showing elimination of colored hot pixels, as they should. What’s up guys, Sagi here and welcome to another Tech Gear Talk. Good luck and fingers crossed for clear skies! For those who think this is normal for LENR use, the Nikon D750 shows nothing like this – frames taken with LENR on are free of all hot pixels and do not show more shot or read noise, nor deterioration of shadow detail from lower bit depths. The Nikon had the Sigma 14mm Art lens; the Canon and Sony used the same Rokinon 14mm SP lens. This lens balances nicely when paired with the Sony A7III and has a sturdy feel. All cameras show an equal number of stars recorded. Camera Settings 2 > Live View Display > Setting Effect ON. I was using the wired Vello intervalometer. The other Live View function that works well, but also needs assigning to a C button is the Camera Settings 1 > Focus Magnifier. Both are very good – indeed, among the best performing cameras for high-ISO noise levels. Wow! Still, this is a neck- and back-saving feature for astrophotography. Stars are not smoothed out in long exposures.Â. But this is a tough call. Canon really needs to improve their sensors to keep in the game. Whether you are pursuing DSLR telescope astrophotography or simple using an astrophotography tripod , there are certain tricks and techniques you must follow. For this purpose I … This makes it so easy to frame nightscapes and deep-sky fields. SONY FIELD ILLUMINATION #2 – Another example taken in twilight to accentuate frame illumination shows the same shadow vignetting and the slight magenta amp glow at the left. As versatile as a mirrorless camera is for lens choice, making use of that versatility requires buying the right lens adapter(s). Adam owns a production company that specializes in corporate marketing and brand strategy. Your cameras are getting worse for astrophotography while Sony’s are getting better.Â. But the Nikon did show more image artifacts in the “odd-numbered” ISOs of 640 and 500. CANON: The 6D MkII’s lack of an ISO invariant sensor rears its ugly head in underexposed shadows in dark-sky nightscapes. Which means higher iso. Is the A7III as good for low-light video as the Sony a7s models, with their larger 8.5-micron pixels? Really Canon? Instead, you have to go to the Camera Settings 2 page, then select Still Image–Custom Key. This is good news, as astrophotography requires fast, high-quality lenses, and the Sony allows more choices. I would assume not, but not having an a7s (either Mark I or II) to test I can’t say for sure. Bright Monitoring does not appear in any of the in-camera menus you can scroll through, so you won’t stumble across it. The demands of nightscape and deep-sky fields for long-exposure deep-sky imaging they could be designed not do! Guys, Sagi here and welcome to another Tech Gear Talk for nightscape and. Earlier in 2018 f/12 using a Barlow lens has enjoyed rave reviews its. Of wide-angle lenses, and the Sony A7III offers 4K ( or more precisely UltraHD ) video recording for of. 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