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Thread started 12 Dec 2015 (Saturday) 14:03
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T5i vs XSi [High ISO]

 
booju
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Post edited over 3 years ago by booju.
     
Dec 12, 2015 14:03 |  #1

I have an XSi and considering buying a T5i for its high ISO availability in low-light situations.

How useable are the images from ISO 3200+...lots of grain?

Could you provide sample photos please.

Thanks!


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MalVeauX
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Dec 12, 2015 15:02 |  #2

booju wrote in post #17816530 (external link)
I have an XSi and considering buying a T5i for its high ISO availability in low-light situations.

How useable are the images from ISO 3200+...lots of grain?

Could you provide sample photos please.

Thanks!

Heya,

I have a couple of XSi's and a T4i (same thing as the T5i, so identical ISO performance and pattern) and EOS-M. The sensor of the T4i/T5i/EOS-M is significantly better at higher ISO than the XSi. Both clean up well. But you can easily use the T5i at ISO 3200 without worry assuming you expose properly. I can use the XSi at ISO 1600 (max for it) just fine too, with proper exposure for high ISO. But having more ISO availability is a very good thing. I shoot at ISO 12,800 if I have to, and it's still quite fine with proper exposure & clean up. But I tend to keep it around ISO 3200~6400 if possible, and I regularly shoot at ISO 1600 all the time with the T4i/T5i sensor. I also use my EOS-M at ISO 3200~12800 too. Same sensor as the T4i/T5i again. Identical ISO and pattern.

So again, T4i, T5i and EOS-M all have the same sensor, same ISO performance, same pattern. Doesn't matter which you use in terms of looking at the ISO.

Some examples:

ISO 3200 (no significant clean up used):

IMAGE: https://farm4.staticflickr.com/3922/14721630317_45c8713aa4_z.jpg
IMAGE LINK: https://flic.kr/p/oqUc​Nn  (external link) IMG_0170 (external link) by Martin Wise (external link), on Flickr

IMAGE: https://farm9.staticflickr.com/8641/16803759281_cbf9c5f8fc_z.jpg
IMAGE LINK: https://flic.kr/p/rATE​cB  (external link) IMG_3386 (external link) by Martin Wise (external link), on Flickr

IMAGE: https://farm6.staticflickr.com/5687/20537644313_9772c93521_z.jpg
IMAGE LINK: https://flic.kr/p/xhQN​8K  (external link) IMG_8712 (external link) by Martin Wise (external link), on Flickr

ISO 1600 (I shoot at ISO 1600 all day, no significant clean up):

IMAGE: https://farm8.staticflickr.com/7286/16803768902_be59ef678e_z.jpg
IMAGE LINK: https://flic.kr/p/rATH​4u  (external link) IMG_3431 (external link) by Martin Wise (external link), on Flickr

IMAGE: https://farm9.staticflickr.com/8675/15755036859_fa4e54dd93_z.jpg
IMAGE LINK: https://flic.kr/p/q1dF​yx  (external link) IMG_1953 (external link) by Martin Wise (external link), on Flickr

IMAGE: https://farm6.staticflickr.com/5703/22131238210_88eb86ea35_z.jpg
IMAGE LINK: https://flic.kr/p/zHEo​5A  (external link) IMG_9007 (external link) by Martin Wise (external link), on Flickr

ISO 12,800 (I will shoot at this if I have to, cleaned up a little):

IMAGE: https://farm1.staticflickr.com/398/20447200175_722c26146a_z.jpg
IMAGE LINK: https://flic.kr/p/x9Rf​f4  (external link) IMG_8153 (external link) by Martin Wise (external link), on Flickr

IMAGE: https://farm8.staticflickr.com/7456/15827447143_3520fcbc78_z.jpg
IMAGE LINK: https://flic.kr/p/q7BN​BH  (external link) IMG_7103 (external link) by Martin Wise (external link), on Flickr

Very best,

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mikepj
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Dec 12, 2015 15:22 |  #3

I had an XSi and have an EOS M (which as mentioned has the same sensor as the T5i). You'll probably get about 1 stop better light performance out of it (so 3200 would look about the same as 1600 on the XSi). Keep in mind that you have 18 megapixels to work with as well though… Since noise reduction will remove some of the sharpness, it's useful to have the extra pixels to help offset that effect. I was comfortable using my XSi up to ISO 800 and only used 1600 when there was no other option. With the EOS M, I usually feel fine working between 1600 and 3200 without any hesitation.

With respect to ISO, the nice thing about the T5i is the ability to push it higher. ISO 6400+ doesn't look great, but it's there when you need it. You'll also have better video focusing and other features, of course.


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Dec 12, 2015 16:28 |  #4

There are some good techniques for post processing, such that you can also get usable 6400 shots some of the time. It is there should you need it, and with the right tools, you can make use of it in challenging situations.


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booju
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Dec 12, 2015 16:35 as a reply to  @ TeamSpeed's post |  #5

I appreciate all the replies gentlemen!

And if the T4i is same sensor as the T5i...Best I look for a used T4i and save me a bit of money.

Thank you very much you folks and have a great Holiday Season!!!


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groundloop
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Dec 14, 2015 11:54 |  #6

booju wrote in post #17816688 (external link)
I appreciate all the replies gentlemen!

And if the T4i is same sensor as the T5i...



Not only do they use the same sensor, for all practical purposes they're the same camera as well. The only difference is an updated mode dial on the T5i.

And I'll back up what everyone else has said about the higher ISO capabilities of the T4i/T5i. I used to have a pair of XSis, and have since upgraded them to T4is. I can easily get clean photos at 3200 with just a bit of noise reduction in Lightroom (or DPP), and 6400 isn't all that bad. You'll also like having more pixels to allow a bit more freedom with cropping photos.




  
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booju
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Dec 14, 2015 14:07 as a reply to  @ groundloop's post |  #7

I appreciate your input very helpful.
Thank you!:-)


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T5i vs XSi [High ISO]
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