How do I allow the player to zoom in while locked on?

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Hi, so I have this lock on script, and I’d like for players to be able to zoom in or out while locked on, basically it focuses your camera onto the target, but you cannot zoom in or out and I’d like for that to be possible. Thanks.

local Players = game:GetService("Players")
local UserInputService = game:GetService("UserInputService")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local RunService = game:GetService("RunService")

--Folders
local Remotes = ReplicatedStorage:WaitForChild("Remotes")

--Instances
local Camera = workspace.CurrentCamera
local SetLockedRemote = Remotes.SetLockedOn
local Player = Players.LocalPlayer
local Character = Player.Character

--Values
local Mouse = Player:GetMouse()
local Target = nil
local Range = 999999


--Create a Billboard GUI
local Billboard = Instance.new("BillboardGui")
Billboard.Size = UDim2.new(6,0,6,0)
Billboard.AlwaysOnTop = true

--Add an ImageLabel to the BillboardGUI that serves as a lock on market.
local ImageLabel = Instance.new("ImageLabel", Billboard)
ImageLabel.Image = "rbxthumb://type=Asset&id=7202706401&w=420&h=420"
ImageLabel.BackgroundTransparency = 1
ImageLabel.Size = UDim2.new(1,0,1,0)


--onInputBegan function
local function onInputBegan(input, gameProcessed)
	if gameProcessed then return end
	
	--If input is MB3 or L.
	if input.UserInputType == Enum.UserInputType.MouseButton3 or input.KeyCode == Enum.KeyCode.L then
		
		--If the target is not set, raycast from Head to MouseHit.
		if not Target then
			local MouseHit = Mouse.Hit
			
			local rayOrigin = Character.Head.Position
			local rayDirection = ((MouseHit.p - rayOrigin).Unit) * Range


			local raycastParams = RaycastParams.new()
			raycastParams.FilterDescendantsInstances = {Character}
			raycastParams.FilterType = Enum.RaycastFilterType.Blacklist
			local raycastResult = workspace:Raycast(rayOrigin, rayDirection, raycastParams)
			
			--SetTarget function.
			local function setTarget(newTarget)
				--Set camera.
				Camera.CameraType = "Scriptable"
				--Set target, set the Billboard GUI's Parent and fire the Lock On remote.
				Target = newTarget
				Billboard.Parent = Target.PrimaryPart
				SetLockedRemote:FireServer(newTarget.Name)
				wait()
				spawn(function()
					
			
					while Target and Target:IsA("Model") do
						local X = 12

						local PartPosition = Target.HumanoidRootPart.Position
						local SelfPosition = Character.HumanoidRootPart.Position

						local Offset = Vector3.new(5,2,0)

						local V = PartPosition + ((SelfPosition + Offset) - PartPosition).Unit * ((SelfPosition - PartPosition).Magnitude + X)
						Camera.CFrame = CFrame.new(V, PartPosition)
						Character.PrimaryPart.CFrame = CFrame.lookAt(Character.PrimaryPart.Position, newTarget.PrimaryPart.Position)
						RunService.RenderStepped:Wait()
					end
				end)	
			end
			
			if raycastResult then
				
				--If the raycast result is a player or a dummy, lock onto them.
				local hitPart = raycastResult.Instance

				if hitPart.Parent.Parent == workspace.Dummies and hitPart.Parent:FindFirstChild("Humanoid") then
					setTarget(hitPart.Parent)
				elseif hitPart.Parent.Parent == workspace and hitPart.Parent:FindFirstChild("Humanoid") then
					setTarget(hitPart.Parent)
				end
			end
			
		--If target exists then unlock.
		elseif Target then
			Target = nil
			Billboard.Parent = nil
			Camera.CameraType = "Custom"
			SetLockedRemote:FireServer(false)
		end
	end
end

--Detect userinput.
UserInputService.InputBegan:Connect(onInputBegan)

Players.PlayerRemoving:Connect(function(plr)
	--When player leaves, unlock.
	if Target ~= nil then
	if plr.Name == Target.Name then
		Target = nil
		Billboard.Parent = nil
		Camera.CameraType = "Custom"
		SetLockedRemote:FireServer(false)
		end
		end
end)
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