Dude, read carefully too. i said that because of your point 7,
anything wrong saying Hoya related to a few companies (kenko and tokina)?
anything wrong saying all the 3 companies hoya, kenko and tokina using the same hoya glass(quoted from your point 7) ?
you dont have to feel stupid or useless if you think newbie cannot understand your statement, but you may have to learn to be more polite.
If you feel frustrated teaching a newbie who may not be able to understand you, you can simply dont come to this thread. i am sure there are lots of bro can do your job to answer my question too.