Landscape photography at night generally allows for longer exposures, so the high ISO response of a camera body is much less critical. Low light capabilities only really come into play when you want to take fast exposures - e.g. of people or moving objects.So in short: a second hand camera (including lens) that is good in low light conditions.
Sorry, you can't delegate your purchase decision to someone else.. you need to decide for yourself and you need to decide how you're going to balance your budget between body and lens. I imagine the 700D is a decent enough camera, but I haven't used one and don't plan on looking up reviews of it (try DPreview and Amateur Photographer).Canon 700D?
This was taken with a 600D, at iso 100*. It's not TOO noisy... but as soon as it got much darker I lost the ability to recover any meaningful detail from shadows... it's just noise. (Will see if I can find an example). It wasn't great for "low light" - especially if you tried to autofocus on anything... that just didn't work, at all.
Going to disagree with you here, I find the 600D very good for low light or even night shooting. Most of my use takes place early morning, late evening or at night and rarely have reason to fault the camera. Granted there is not a lot of dynamic range to recover if you do a lot of manipulation in post processing, not something I tend to do.
Here is a night shot which should illustrate the point and yes I did use autofocus
Pool Of Light by Steve Bennett, on Flickr
And here a link to my photostream showing all the shots I remembered to tag as being taken with the 600D
https://www.flickr.com/photos/steveblackdog/tags/canon600d/
That's a lovely image, Steve
I *do/did* try to do a fair bit of manipulation in post processing, which is where the lack of DR started to frustrate me
AF works fine - depending on what you're doing. Moving subjects in poor light - not so much I don't mean to be hard on the 600D. It's a great little camera, just not up to the job of what I was starting to want from it.
Here are two images of similar subjects - one's a 600D and one's from a 6D. Granted, they are different beasties entirely, but all I'm trying to get at is what you lose if you do try to push the shadows more (which is what I was doing)
View attachment 53849 View attachment 53850
Yep... I wouldn't know what to suggest. 2nd hand if you can get a good one at a price you can afford, that'd be my choice, anyway.