Comparing hashing with different encoding and also transferring bytes, C#

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Text;
using System.Security.Cryptography;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {            
            string key = "072e77e426f92738a72fe23c4d1953b4";
            string text = "{super duper long string}";
            
            System.Text.UTF8Encoding encoding = new System.Text.UTF8Encoding();

Byte[] keyBytes = encoding.GetBytes(key);
            Byte[] textBytes = encoding.GetBytes(text);
            
            System.Text.ASCIIEncoding encoding2 = new System.Text.ASCIIEncoding();

byte[] ascTextBytes = encoding2.GetBytes(key);
            byte[] textBytes2 = encoding2.GetBytes(text);
            
            
            Console.WriteLine("Strings");            
            Console.WriteLine(BitConverter.ToString(keyBytes));
            
            
            Console.WriteLine(BitConverter.ToString(ascTextBytes));
            
            Console.WriteLine("Hashes");
            
            Byte[] hashBytes;
            
            Byte[] hashBytes2;
            
            using (HMACSHA1 hash = new HMACSHA1(keyBytes))
                hashBytes = hash.ComputeHash(textBytes);
            
            Console.WriteLine(BitConverter.ToString(hashBytes));
            
            using (HMACSHA1 hash2 = new HMACSHA1(ascTextBytes))
                hashBytes2 = hash2.ComputeHash(textBytes2);
            
            Console.WriteLine(BitConverter.ToString(hashBytes2));
            
            Console.WriteLine(Convert.ToBase64String(hashBytes));
            Console.WriteLine(Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(BitConverter.ToString(hashBytes))));
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,16 sec, absolute running time: 0,11 sec, cpu time: 0,11 sec, average memory usage: 14 Mb, average nr of threads: 3, absolute service time: 0,32 sec