Butterfly

by Rodrigo

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4

From an image quality standpoint the 6D has a fairly significant advantage over any of Canon's current APS-C offerings. Since the 7D Mark II has been announced but not yet released and hasn't been in the hands of most reputable reviewers/independent testers yet, it is hard to judge the image quality. Suffice it to say it would need a totally revolutionary ...


4

The EOS 6D and the EOS 7d Mark II are very different cameras in so many ways making them hard to compare. The EOS 6D is the least expensive full frame DSLR from Canon and the 7D Mark II is their most expensive APS-C. You say you are into landscape and astrophotography and in my world buying a 7D Mark II over a 6D for that is crazy. The 7D Mark Ii is made ...


3

The support for the Canon 7D's RAW files was incorporated in Camera Raw 5.6 and the latest version of Camera Raw supported by Photoshop CS2 is 3.7 so there are no support for the .cr2 files created by the 7D in CS2. Unfortunately there is no way of opening these files in such an old version of Photoshop (unless there's a strange hack that I don't know of) ...


3

Let me start by saying there isn't a wrong answer. Either camera you suggested is a HUGE improvement over an entry level model and you are jumping pretty much clean over the mid-range models. I personally jumped from an xTi (400D) to a 5D Mark iii, but I made that large of a jump because I was starting commercial photography work on the side. I know you ...


3

You say the 550D is happily serving all your needs and that you're only looking to upgrade because "it is time". May I suggest keep your 550D. It's a great camera by all means and you're already enjoying it. You can put the money you were going to spend on the camera (both that you mention would set you back more than a thousand pounds) and instead invest ...


3

There are many reasons any given camera's images can become less sharp over time. I doubt you're going to get a solid confirmation, as it would be incredibly difficult to isolate this from other sources of sharpness reduction/variation, outside of perhaps a DxOMark laboratory (with controlled conditions, several brand new cameras, known-good lenses, etc). ...


2

7D owners, I hope this fixes your problem, don't waste your time resetting the camera, wiping battery contacts, putting it in the freezer, etc. I didn't mention in posts on other forums, I've been an instrument technician for more than 40 years and don't have a problem going into the camera and making the repairs, I've done so on other Canon cameras and ...


1

If your camera is exhibiting behavior other than what you should expect it to do under certain conditions and selected settings then your 7D needs to take a trip to the nearest Canon service center.


1

If this issue is progressively getting worse as you have stated, there is a good chance the autofocus sensor is in need of cleaning. If changing to a different focus zone provides better focus lock then this would tend to confirm a spec or two on the sensor. A general haze can develop on the focus sensor from condensation and/or airborne pollutants. As a ...


1

Since the Raspberry Pi is just an ARM-based computer you can run Linux distributions that compile on ARM (v6). There is a guide here where photographer David Hunt transforms his old broken battery grip (although this one was for a 5D mark II) into embedded computer that does what you're looking for among other things that can be useful for time lapse such as ...


1

You need two different heads for these two things. For the former, I don't have any direct experience, but you really need a tracking head that can counter the Earth's rotation. Such setups tend to be relatively pricey and rather unique to the field of astrophotography. For the later, I'm a huge fan of my Bogen Manfrotto 3046 base with 501HD head, which ...



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