bedir than
Full Moon Storyteller
I love the spyglass. But in 5e it's a 1,000 gp device. There aren't really any rules that explain that cost. Per DnDBeyond, the spyglass just enlarges objects to twice their size. That's not overly powerful. Certain backgrounds might make sense to start with a spyglass -- Sailor/Pirate (though they don't), Navigator (unofficial), Astronomer (Sage variant?), and my own Caravanserai.
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The only reason to not give a spyglass is because of the money. Even in a no-magic-shop world you can still boost the party with significant armor upgrades if your character doesn't care about their background. I try to get around this by suggesting that it is an heirloom, handed down from the family (of choice or blood, whatever).
Still, there are those who min/max starting equipment.
How big a deal would this be at your table?

The Caravanserai – a 5th edition D&D Background
Before you were a hero you were a Caravanserai, a keeper of an outpost that is inn, trade center, waypoint, and safe haven all at once. The traditional western trope of an innkeeper is provided as …

The only reason to not give a spyglass is because of the money. Even in a no-magic-shop world you can still boost the party with significant armor upgrades if your character doesn't care about their background. I try to get around this by suggesting that it is an heirloom, handed down from the family (of choice or blood, whatever).
Still, there are those who min/max starting equipment.
How big a deal would this be at your table?