Spyglass
minecraft:spyglassThe Spyglass is a zooming tool crafted from an amethyst shard and two copper ingots that narrows the field of view to magnify distant objects. Using it applies a square vignette overlay and slows the player's movement, and it can also be found as loot in some generated structures.
FAQ
How do you craft a Spyglass?
Combine one amethyst shard with two copper ingots in a crafting table.
Does the Spyglass let you see farther than normal render distance?
No. Objects and mobs too distant or hazy to render normally remain unrendered even when viewed through the spyglass.
Can you stack Spyglasses in your inventory?
No, the spyglass occupies a single inventory slot and cannot be stacked.
Are there advancements tied to the Spyglass?
Yes, including "Is It a Bird?" for viewing a parrot, "Is It a Balloon?" for viewing a ghast, and "Is It a Plane?" for viewing the Ender Dragon through it.