Images of the Canon EOS Ra appear – UPDATE

canonnews

EOS RP
Dec 27, 2017
337
285
Canada
www.canonnews.com
Product images of the upcoming EOS Ra have appeared.  It’s very likely we’ll see this camera very shortly.
The EOS-Ra is an EOS R with a sensor modification that allows for h-Alpha wavelengths to pass through unimpeded by the IR cut filter that sits in front of the sensor.  Normally a stock IR Cut filter that digital cameras employ has around a 2-3 stop loss at the h-Alpha wavelength of 656.28nm.

Why is this good for astrophotography? Atypically emission nebulae emit this wavelength, and as well, the Sun’s atmosphere (take proper precautions if you try this!).  Letting more of this light to reach the sensor allows for better contrast and detail when it comes to nebulae and deep sky astrophotography.
Since the EOS Ra is modified to pass more light of the 656nm wavelength, white balance and colors will be a bit off for normal photography.  You can, however, use a hot mirror filter that screws on the front of your lens to correct the filtering for normal color photography...
Continue reading...
 
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3dit0r

EOS M50
Dec 4, 2017
47
10
This is a great announcement. It is the specialist elements of the Canon system which are about to bring me back from a few years with Fuji - the newer T/S lenses with more advanced movements and this astro-specific camera really show that Canon cares about the needs of every photographer. I really like the way they have thought about the new RF 2.8 zooms, like the 70-200 and lost a lot of size and weight making the most of mirrorless too. Bravo, bravo.
 
Aug 29, 2019
2
6
Also, the RF to EF adapter with a drop in filter is a great solution for IR-filtering instead of front filters for the EOS Ra. (only works for EF lenses though, but for all of them).
Is this drop in IR filter something that already exists or are you saying it would be logical to offer it that way? If that’s all you meant, then I totally agree.
 

tron

EOS 5D SR
Nov 8, 2011
4,059
359
I would like to see a sample from an Astro camera taking regular shots. Just curious as the look. If it more or camera looking or something else.
Reasonable request. At the Adorama site they mentioned:

"With a 30.3-Megapixel, full-frame CMOS sensor and Digic 8 image processor, the EOS Ra produces stunning image results, day or night."

Which looks like marketing to me. Nothing concrete.
 

uri.raz

EOS 80D
Jan 5, 2016
149
101
I think this model makes sense.

The EOS 60Da was released in 2012, seven years after the 20Da. Seven years & a new mount later, I'm not surprised there's another astronomy model coming out.

My guess is Canon makes good money on a very little investment in those models (probably very little beyond the IR filter, e.g. change model number in ROM), and leaving customers who shoot astronomy without an upgrade path when their camera goes out of maintenance is bound to piss them off and lead to negative PR.
 

TominNJ

I'm New Here
Mar 14, 2015
19
11
they made the camera now how about a coma corrected lens? I think this camera is aimed (heh) at telescope users rather than night sky shooters but still...
 
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BeenThere

EOS 6D MK II
Sep 4, 2012
850
184
It will be interesting to see just how correctable to “normal” color this camera can be with a drop in filter. If pretty close with a standard post processing prescription, then it could end up in more kits than seems to be expected.
 

KirkD

EOS T7i
Nov 23, 2017
67
41
Canada
kirkdurston.wixsite.com
There may be a lot of universities and collages, not to mention advanced amateur astronomers, interested in this. My own alma mater had a small store room filled with telescopes, and other equipment including a few cameras, that students could book out or use for astronomy assignments.
 

gruhl28

Canon 70D
Jul 26, 2013
67
4
Looks like Adorama has removed the page, I'm getting a "404 Not Found" error clicking the link. Likely they accidentally put it up before they'd intended it to be public.
 

Hector1970

EOS 6D MK II
Mar 22, 2012
1,093
270
For some one who has never done deep sky astrophotography (but has had a lifetime interest in space). What would you ideally use this with?
Any recommendations on a suitable telescope with tracking ability? (auto alignment if possible).
 

Joules

EOS RP
Jul 16, 2017
317
236
Hamburg, Germany
Any recommendations on a suitable telescope with tracking ability? (auto alignment if possible).
It is not required to go full out on astro gear to capture deep sky images. I got myself a Fornax Lightrack II portable tracking mount and use my Sigma 150-600mm lens, which is still a combination I could take out into the field when I want to escape the light pollution. I haven't done that yet, but I'm pleased with the results so far.

For less extreme focal lengths, a more inexpensive tracking mount like a Skywatcher Star Adventurer or something from iOptron are good choices as well. If you really want advice in a telescope, I'm not sure I would seek it in this forum. It's a pretty niche topic and I believe there are more fitting forums for it.
 
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