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Hello everyone, I'm looking to get back into the hobby but need to replace my DSLR Sony A55, which is fast approaching 10 years old by this point. I don't want to throw down on lenses when I already have some, so I'd like to get another sony as to save money on this front. I just wondering what you would recommend for deep sky imaging. I want to try to get good at this, specifically with long duration exposures and stacks of galaxies and nebula's. So far the A7 II/III have gotten my attention, albeit the III being a bit steeper in price but the more megapixels is enticing, and I'd like to get some thoughts and opinions on these, or any other camera from sony that you'd recommend. In the meantime thanks for the help.  |
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| Hello! I am a sony lover as well. Just wanted to chime in the A55 and A7 series have different mounts, unfortunately. A55 has an A mount and the A7II/III has an Emount. Deep sky is possible with the all the sony dslrs, but you could probably still take great images with the A55, hooked up to a telescope or longer lens (lenses will be cheaper with Amount, a lot of minoltas will fit the A mount). The 'deep sky' stuff depends firstly on a nice tracking mount, autoguider, etc. Save up for those first! I need to do the same on that front. I had an A58 I upgraded to A7II. Both great cameras, and the A7II definitely better for family photos, etc. But my A58 got excellent deep sky images with a cheap 300mm lens. Just some thoughts. Clear skies! |
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Hello! I am a sony lover as well. Just wanted to chime in the A55 and A7 series have different mounts, unfortunately. A55 has an A mount and the A7II/III has an Emount. Deep sky is possible with the all the sony dslrs, but you could probably still take great images with the A55, hooked up to a telescope or longer lens (lenses will be cheaper with Amount, a lot of minoltas will fit the A mount). The 'deep sky' stuff depends firstly on a nice tracking mount, autoguider, etc. Save up for those first! I need to do the same on that front. I had an A58 I upgraded to A7II. Both great cameras, and the A7II definitely better for family photos, etc. But my A58 got excellent deep sky images with a cheap 300mm lens. Just some thoughts. Clear skies! Yes, I was just looking into a-mount and e-mount compatibility, so I may need to either get an adapter or new lenses. My A55 has sensor damage so it absolutely needs to be replaced as it's basically useless for regular day time photography now. I already have the telescope, tracking mount, guide scope, autoguider etc, so all I need is a proper camera to finally start the hobby back up. I would get a nice astro CCD for around the same price of the A7 but since the A55 is toast for regular photography I might as well get a new DSLR that can do both regular daytime photography and astrophotography well. Thanks for the input! |
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| I had an A55 I used for astrophotography 8 years ago. I have gone through a few Sony cameras in that time. The cameras I use now are the A7III and A7RIII. The A7III probably has a little bit less noise at high ISO’s of the two cameras. Both the A7II and A7III have the same number of megapixels. I can tell you the A7II has far less noise than the A55, and the A7III has less noise than the A7II. Sony’s full frame cameras are very good for astrophotography. There are adapters that work quite well with Sony A type lenses and E type cameras. I have one and still use it. |
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I'm using a7 for full format and a5000 for APSC. The last is bought used and full spectrum modified. Both can be used with the telescope via T2-NEX adapter and with my collection of vintage M42 lenses. The beauty of the E is that almost anything can be adapted. A warning note about a3000, a5000 and a5100; they must be patched for astro photo, else they will automatically do a dark frame of equal time as light frame and do severe noise reduction. The menus lack the setting to turn this off. |
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Something you might consider is migrating away from Sony. Sony's noise spatial algorithm (star eater) still exists in a manner that is detrimental to star color, so much so, I am working to get rid of my Sony gear and heading to Nikon. That said, this predominantly shows up in tracked images, so if you aren't tracking, this isn't much of an issue. Ironically, the sharper the lens, the worse it gets (my stars from a Sony A7Riii and the Sigma 40mm are really, really bad). My A7iii isn't as bad, but it still has wonky star color (mostly green). I also don't expect it to be very bad if you are using it on a scope, but I have never had mine on a scope to test. But if you are really wanting a Sony, I have a HA modded A7iii for sale ;-) Good luck! |
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| *Also I suspect you can adapt your glass to Z mount. |
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Here's a small summary of the Sony "star eater" problem: http://www.markshelley.co.uk/Astronomy/SonyA7S/sonystareater.html |
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I do not give up on my Sonys. Now using them with RC8". Beautiful cameras for astro! Star eating?? You get more stars than you ever need. |
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Hello everyone, I'm looking to get back into the hobby but need to replace my DSLR Sony A55, which is fast approaching 10 years old by this point. I don't want to throw down on lenses when I already have some, so I'd like to get another sony as to save money on this front. I just wondering what you would recommend for deep sky imaging. I want to try to get good at this, specifically with long duration exposures and stacks of galaxies and nebula's. So far the A7 II/III have gotten my attention, albeit the III being a bit steeper in price but the more megapixels is enticing, and I'd like to get some thoughts and opinions on these, or any other camera from sony that you'd recommend. A7III all the way, I've used one for a couple years now and its great! II has an issue with the star eater, but the III does not have it at all in my experience. |
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| A7III is a great low noise camera that I have used a lot early on in my astro journey before I got dedicated cooled astro cameras. It did not eat stars at all. Being full frame it was a challenge at the corner of frames to get round stars with my 8" F5 Newtonian. Lack of experience didn't help. I connector mine to an MGEN3 autoguider which worked great, dithered and plate solved and fired the camera. No laptop needed. I just had to modify the camera cable to work with the Sony. I also had to buy a cheap time delay for long exposure control. I don't need MGEN now as I use PHD with the astro cameras. |
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Gustav Lundby: *** How did you connect your camera, what type of connector?*** |
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I have used my Sony A7 series cameras for years. As far as the star eater issue goes, I have never been able to see anything like that happening. You might have to spend a lot of time blowing up your photos to gigantic sizes to see any difference. I have gotten images I really liked with my Sony cameras. The biggest issue as I see it is not the dreaded star eater issue, it’s the thermal noise you get with any uncooled camera. I got a cooled astronomy camera not because it takes better images but because I get far fewer hot pixels in the summer. |
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Gustav Lundby: |
