Having just bought this camer as you know with AFS Nikkor VR 70-300mm ED 1:4.5-5.6 G
A, AF-S Nikkor VR 18-55mm 1:3.5-5.6 G DX
A, AF-S Nikkor VR 18-105mm, 1:3.5-6 G DX
Forgot, Tamron AF 18-200mm F/3.5-6.3 (IF) Macro 62 A14 (Tamron for Nikkor AF)
Now the
ED 70-300mm version was the one I got when buying the bundle, (tried to fob me off with a Tamron origionally which I allready have)
Question 1: Why is it a ED and not DX Like the other ones? Was I given the wrong version with the ED?
Question 2: Trying to buy longer lenses but can no way afford the Nikkor range but also finding that I can''t use convertors with the D90 as it needs to be an F2.8 at least.
What can I use with the D90 to get that extra mm's. I wanted a 170-500mm or 150-500mm but sadly, these are not compatible. Or up to 400mm with a convertor.
Not looking for absolute pin sharp pictures. I understand that is not acheivable with this camera unless I'm only about 10 foot from the subject.

So, without having to pay a fortune, what convertors can I use that are compatible with these lenses and/or camera?
I prefer auto focus as my eyes are pretty bad. But not that important. I could get by, just.
I was also planning on getting the D7000 but not sure if I can't get the lenses or convertors to work like I'm finding out with
the D90.
Maybe I can take the bundle back and just get A D3000 or higher. Can I return the whole bundle and get the Nikon camera which has lenses that are compatible with convertors and so on?
Appreciate any sound advice apart from
buy the Nikkor range.