minecraft-assets/assets/minecraft/models/item/spyglass_scoping.json

{
    "parent": "item/generated",
    "textures": {
        "layer0": "item/spyglass"
    },
    "display": {
        "thirdperson_righthand": {
            "rotation": [ 155, -45, -25 ],
            "translation": [ 5, -3.5, -2.5 ],
            "scale": [ 0.8, 0.8, 0.8 ]
        },
        "thirdperson_lefthand": {
            "rotation": [ 155, 125, 25 ],
            "translation": [ 3, -3.5, -2.5 ],
            "scale": [ 0.8, 0.8, 0.8 ]
        },
        "firstperson_righthand": {
            "scale": [ 0.0, 0.0, 0.0 ]
        },
        "firstperson_lefthand": {
            "scale": [ 0.0, 0.0, 0.0 ]
        }
    }
}