I know how to use a camera properly by the way (tone of voice is friendly here, not snappish or condescending). I wanna say I have spent 12 years using Nikon DSLRS, from the D80 to my current D5500.
The lighting is the way it is because of 2 things. I was in my room at night and the lights I do have in my room are crap, and she came right up to the lense and out of the flash range. Also the range is 40mm, which means I have to get super close to my subject to get a great shot, which also ruins lighting as well.
Focus is wonky because of me using manual focus on a very fast moving curious snake without a tripod. Again my glasses as well also do not help when looking down the view finder.
I need to check what my f stop was on these pictures, but it had to have been less than f/22. I could try again during the day with proper lighting and use a f/32, but focus and depth of field is such a tricky thing with macro, especially when there is so much working against you
I would love to get a lense that is above 55mm, but those lense cost over $500 and I am a poor college kid who needs to buy a laptop soon and cannot afford such a lense.
Also leaving the aperture open longer really only works with a lot of lighting, with how dark it was all images would be blurry.
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