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When taking a landscape photo with a deep depth of view, the image is not sharp, especially the further away it is. Up close sharpness is fine but not far away. I am using the correct aperture and have a sturdy tripod.

I am currently using a Canon EOS 4000D with its 18-50mm kit lens. I believe this camera has crop sensor, and I am looking for a upgrade that will give me better quality, whether its upgrading the body, lens, or both.

Is it true that full frame sensors have better quality than cropped sensors?

What would be the best thing to do in this situation? (As in upgrading and upgrading to what?)

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    Hi Kieran. "looking for an upgrade that will give me better quality" is kinda vague. What's actually disappointing you about your current photos? – osullic Jun 15 '20 at 15:18
  • Hi! Its when its taking a landscape photo of deep depth of view, the image is not sharp especially the further away it is. Up close sharpness is fine but not far away. I am using the correct aperture and have a sturdy tripod. – user91798 Jun 15 '20 at 16:08
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    "Correct aperture" is hard to understand. There can be many correct apertures depending on the ISO selected and shutter speed. What aperture and ISO are you using? – Eric S Jun 16 '20 at 1:48
  • the image is not sharp, especially the further away it is What exactly does that mean ? You quite possibly are expecting something that is not possible, as more distant objects will generally not be very detailed simply due to e.g. atmospheric haze or dust. There are a lot of other factors. A crop frame DSLR is unlikely the issue and modern kit lenses are by no means bad lenses. – StephenG Jun 16 '20 at 10:49
  • @KieranBrown What aperture settings are you typically using? What lens (and, if a zoom, at what focal length)? How is the camera being stabilized? How is the lens being focused? How are you judging "sharpness? Looking at the entire image at a typical display size or "pixel peeping" at 100% on a large monitor that make the part of the image you are seeing a small piece of the equivalent of a 60x40 inch or 150x100 inch enlargement? – Michael C Jun 16 '20 at 12:44
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In the absence of details as to what you are doing now, we can only assume what your current shooting technique is. There are many possible shooting technique related causes of the issue you describe.

There can also be issues of unrealistic expectations, even when using the best gear available. All gear has limits, no matter what the marketing departments may say about their latest, greatest, most expensive new lens or camera.

This answer to Zoom or Prime Lens(es) for Wildlife Photography on Limited Budget (Nikon D500) says:

The truth is there are a lot of things many photographers would like to do that no camera/lens has the capability of doing. The thing that separates the great 'Photographers' from the complainers who always blame the limitations of their gear for their work that doesn't meet their lofty expectations based on the marketing hype machine of the camera makers is that the 'Photographers' learn to push the limits of the gear at their disposal while also finding ways to work just within those same limits.

You asked:

What would be the best thing to do in this situation? (As in upgrading and upgrading to what?)

Upgrade neither until you are sure you don't need to upgrade your photographic technique first.

Please don't misunderstand this as flippant or taking a cheap shot at a budding photographer. It isn't. It is an encouragement to decide to put in the learning and practice to develop the technique and compositional skills that better images truly require, rather than chasing better image quality through endless GAS (Gear Acquisition Syndrome).

It's covered in much greater detail in this answer to How to improve image sharpness on Canon 700D? and it would be a bit redundant to repeat that entire answer here, though most of it would probably apply to your current situation. We'll hit a few of the highlights:

How sharp your images turn out usually has a lot more to do with proper technique than with the gear you use. On the hardware side of things, the lenses you are using will affect sharpness a lot more than the body/sensor you are using. If you are using only lower end consumer grade zoom lenses, no camera body will make any difference until you upgrade the lenses and practice proper technique first.

Most new photographers benefit far more from improving their knowledge and skill than they do from an incremental or even quantum upgrade in the gear they use.

This answer to When should I upgrade my camera body? applies equally to lenses, lights and modifiers, etc. as it does to camera bodies. Until you can identify what is causing your images to fall short of what you wish them to be, you're not ready to identify what solution will be most likely to allow you to reach your goal.

As the accepted answer to Is replacing all my Fujifilm gear with this Canon zoom lens an upgrade? says:

While it is true that better gear won't make you a better photographer, it is equally true that any photographer is limited by the capabilities of the gear being used.
There's an old saying that has been around photography for a very long time:
Gear doesn't matter.
It's certainly true, but it is only half the truth. The rest of the truth is this:
Gear doesn't matter - until it does.
When the technical capabilities of your gear are not up to the task for the shots you want to capture, then and only then will the gear matter.

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Better results would be obtained by switching the lens rather than the body but for even more improvement you can upgrade both.

The kit lens just never gets very sharp. It starts off extremely soft and becomes more reasonable stopped down but it reaches the diffraction limit quickly which reintroduces softness. A better lens, either a high-quality constant aperture zoom or a prime lens easily produces better results. Because of quality is limited by the lowest factor, getting a better camera will not significantly improve sharpness without changing the lens.

There are far better lenses from Canon and third-party manufacturers. Sigma makes extremely sharp lenses, often for cheaper than the first-party equivalent, plus some unique offerings. Keep in mind that the better lens for you will depend if you keep the camera, change to another camera with the same sensor-size or to one with a larger sensor.

Upgrading to a larger sensor will lead to a more significant jump in image-quality. In this case you should highly consider other systems because many can produce sharper results because they omit an anti-alias filter and have lower noise-levels. So, yes, a larger sensor will give better results than you current cropped-sensor DSLR.

Keep in mind that full-frame cameras and Medium-Format ones are not only larger themselves but their lenses are too, plus heavier, so be prepared to carry that extra bulk to capture the landscapes you want. Mirrorless can save you some size, mostly in the body because lenses themselves are not significantly smaller compared to SLR ones for the same sensor size.

The best image-quality I have even seen is from the Fujifilm GFX-50R with the Fujinon 23mm F/4R. It is huge and heavy but that's what I would recommend if you don't mind the bulk and price. Going smaller and saving a good amount of money, I was extremely pleased with the Nikon Z6. It's a full-frame mirrorless with few native lenses but they are superb and the sensor is very sharp with extremely low noise.

You can actually read the review of the Nikon Z6 that I published on my site. There is also a review of the Fujifilm GFX-50R and both have a gallery of full-resolution images you can see to for real-world examples of their image-quality. There are certainly many options in between depending on your budget and desired print sizes.

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  • If OP uses F16-22 with high ISO on a camera with AA filter, switching lenses would not necessarily result in improvement. But the same lens with appropriate settings on a camera without AA filter would improve results. – xiota Jun 16 '20 at 1:11
  • @xiota Why would anyone use "f16-22 with high ISO" on any camera though? – Semaphore Jun 19 '20 at 9:25
  • @Semaphore That's the point... fix technique will improve results, but keep using F16-22, and it almost doesn't matter what lens is used. – xiota Jun 19 '20 at 10:51