Im a beginner looking for Star tracker for 200-250$

[lethal stag]

Hello I hope someone will be able to help me firgure out if i can get a star tracker for around 200-250$ i have a sony A6700 camera with a good tripod and am buying a 300mm lens for it soon im spending money on the lens thats why i wont be able to go for more on the star tracker. all help will be appreciated

[cunning laurel]

TeSeek Nano might be worth looking into, not 100% sure though.

You won't get very long exposures though, they say a conservative estimate of 30" on 450mm FF equivalent