Society for Popular Astronomy

Canon 5DSr
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Author:  David Frydman [ Wed Feb 11, 2015 7:38 pm ]
Post subject:  Canon 5DSr

. Anyone fancy one of these new 50.6 megapixel full frame digital SLRs?

It has 2 digic 6 processors, and has slots for SD cards and CompactFlash cards.

There are two models, I think one has a filter and one not.

Only £3200 for the body, although I don't know if that's the same price for both.

I just noticed this new camera today.

I think the full raw files might be 150 MB.
My friends Nikon TIFF files are 105 MB, and that only has about 36 or 38 megapixels.

Regards, David

Author:  Brian [ Thu Feb 12, 2015 7:05 pm ]
Post subject:  Re: Canon 5DSr

Dear David,

somewhat beyond my budget I'm afraid. Anyway, much of the imaging excitement seems centred on the Canon 7D Mk2 at the moment,


Author:  PRBenson [ Tue Aug 18, 2015 8:22 am ]
Post subject:  Re: Canon 5DSr

A lot depends on what you want from a DSLR of course. Personally I only dabbled with astrophotography using DSLRs and I have to say I was impressed with the low noise performance of my 5D mk2 compared with previous Canon models I have owned using the APS-C sized sensors. To me that showed the benefit of the full frame sensor.

When I upgraded my mk2 I checked out the options and decided to go with the 5D mk3. Mainly because a 2nd hand mk3 in virtually new condition became available at a 'too good to refuse' price. There is no doubt that the higher pixel count of the 5Dsr makes it the camera of choice for those who place greatest importance in detail level. However as far as I know the noise performance of the 5Dsr at higher ISO settings is not as good as the 5D mk3 which would be an issue for astrophotography.

When the price of the 5Dsr comes down a bit I will consider it as an upgrade for my mk3 but till then I'm quite happy with what I have.

Author:  PRBenson [ Wed Aug 19, 2015 8:56 am ]
Post subject:  Re: Canon 5DSr

Further to my post yesterday I have now read a few reviews about the 5Dsr and these confirmed that the low light performance is nowhere near as good as the 5D mk3.

The higher pixel count of the 5Dsr means the pixel size is inevitably smaller by as much as 2um. While recommended as a daytime landscape/nature/studio camera, the 5Dsr is clearly not designed for astrophotographers.

I read recently that Canon are going to introduce another model to their range which has an upper iso range running to about 4 million! With a price tag of around $30,000 it ain't cheap but you can take pictures in virtually total darkness!

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