I've been using my 50D in all sorts of situations for a few weeks, always in RAW and not noticed any cast. I always have the camera set with the Faithful picture style.
Update: there is definitely a magenta cast in my 50D body when compared to both my 5D2s. With further testing, I've determined that images shot with my particular 50D require an adjustment of Color Tone: 176 / Saturation: 26 using the WB fine tuning control in DPP.
For JPEGs it is possible to reduce this cast using the in-camera WB Shift (+3 green seems to help), but for RAW, this shift is applied only to the "as-shot" settings in DPP. If you apply a DPP WB preset the shift is lost. Therefore, it's probably simplest to just correct the RAW file in post.
This may be worth a phone call to CPS to see what's up.
I've just done a e shoot with my 5d and 50d and there is a diff differed on the skin tones. I've jsut come across theis thread http://www.birdsasart-blog.com/2009/03/29/canon-eos-50d-set-up/, he a bird photographer and he changes in in camera Sat and tone to neautralise the cast. Haven't tryed it myself yet but worth a shot.
I've been tweaking a lot of RAW files in Aperture from my 10D, 20D, 40D, 5D and 50D. No cast whatsoever from the 5D, 40D and 50D files. However the 20D has a tendency for a slight magenta cast under certain circumstances.
I wonder if the guys with the magenta shift are using a skylight or UV filter? Both impart a slight magenta cast to images.
Gochugogi wrote:
I've been tweaking a lot of RAW files in Aperture from my 10D, 20D, 40D, 5D and 50D. No cast whatsoever from the 5D, 40D and 50D files. However the 20D has a tendency for a slight magenta cast under certain circumstances.
I wonder if the guys with the magenta shift are using a skylight or UV filter? Both impart a slight magenta cast to images.
I have UV filters on some and Neutral Clear filters on others, all seem to have the slight cast on both 40D bodies I used and my 20D too. I would say the 20D was probably more pronounced and happened more often. But the same lenses/filters had perfect color with no cast at all for me on the 5D.
I have a Canon 50D and need to be able to process sRaw in ACR because I shoot at high ISO and the noise is just too much with the full Raw format in camera. The noise in sRaw is comparable to my 20D. I called Canon and they said that Adobe Camera Raw/Lightroom does not properly support the Canon sRaw format at this time. We all have to wait for enough people to complain to Adobe before they make a codec to support this format. I did read on an Adobe forum that Lightroom will be coming out with an update that should support the Canon sRaw format. The post was written by an Adobe employee.
Aimea1 wrote:
I have a Canon 50D and need to be able to process sRaw in ACR because I shoot at high ISO and the noise is just too much with the full Raw format in camera. The noise in sRaw is comparable to my 20D.
Maybe I am confused, but why would sRAW have less noise? Are you viewing at 100% or something? You should view them at the same size - make a large print and check the difference ...
I don't need to any info on this subject. All I do all day is process raw files and when I shoot at 1600+ ISO on my 20D, the noise is manageable. Full Raw on my 50D at 1600 ISO is unusable when processed with presets in ACR. sRaw on 50D at 1600 is manageable and comparable to 20D noise. But, sRaw comes up dark magenta with less info in shadows in ACR. Adobe please make a codec!
Aimea1 wrote:
I don't need to any info on this subject. All I do all day is process raw files and when I shoot at 1600+ ISO on my 20D, the noise is manageable. Full Raw on my 50D at 1600 ISO is unusable when processed with presets in ACR. sRaw on 50D at 1600 is manageable and comparable to 20D noise. But, sRaw comes up dark magenta with less info in shadows in ACR. Adobe please make a codec!
Wow. Sorry if my replies seemed "short," but I was replying from my phone. I am only intending to help.
If you don't want help, then I'll stop. But at equivalent print sizes using standard RAW the 50D will outperform the 20D at any ISO any day. That's a fact that has been well covered here by many senior members. If you don't think so, you should sell your 50D and buy 5 used 20Ds
I think where we are missing each other is in the way I process my Raw files. Using presets in ACR pushes and pulls the lights and darks in abnormal ways (I believe) because an unprocessed Raw file has less noise than the same image processed with presets. I have done a million tests with all kinds of combos and the 50D at full Raw at ISO 1600+ is unusable with ton of noise.
Aimea1 wrote:
Oh, no offense taken. I appreciate your input.
I think where we are missing each other is in the way I process my Raw files.
Cool. That makes sense, I guess I was arguing about the camera and you were arguing about the processing. Sorry about that. I use Aperture, so I'm not too familiar with ACR. Plus OS X has native RAW support, so I guess I am usually using Apple's RAW converter.
Back to the OP, I have seen magenta casts on both the 20D and 40D with even JPEGs, so who knows. I think it is somewhat an issue with the cameras as well since I see it in JPEGs. I have examples where I pulled out my Nikons (which often throw a green cast) just to test the difference and it's night and day. I need something between the two that has less of a magenta cast AND less of a green cast
P.S. I used a T1i extensively and found ZERO strange color casts. That little camera is fantastic.
Ha ha!. I actually sent my 50D to CPS Irvine after my original discoveries on this thread, and it came back from them "all good", even though the magenta cast was still present.
Glad to see that Canon corporate has taken notice, however.
Has anyone noticed any 'hidden' improvements in the new firmware update, as I haven't noticed the magenta cast? Just trying to see if I have any reason to do the update. Thanks!
DBPhotography wrote:
Has anyone noticed any 'hidden' improvements in the new firmware update, as I haven't noticed the magenta cast? Just trying to see if I have any reason to do the update. Thanks!
Scott
Yeah, now my 50D is reported in EOS Utility as an EOS 40D
I've only had the firmware installed for about 24 hours and have noticed no "hidden improvements". However, I can happily report that the magenta cast is gone from my body. Files from the camera may still not match those from the 5-series for tonal quality, but the preset WB settings are now way closer.
