Friday Sky Blue

I have two blue sky photos.

The first photo is a dry tree with a blue sky. My focus is on the dry tree.

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My second photo is the dome of the mosque that looks blue. I take this photo with bad lighting so the result is not good.

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Both photos above I took with the camera phone. I hope to have a DSLR to pursue this field of photography. Maybe you have a suggestion about a DSLR that is suitable for beginners. Thank you.