Is there a noticeable advantage in f/1.8 over f/2?

I have a bit of a complicated question.
On short notice I will be photographing a greyhound race, at night in a moderately lit track.
I currently have a Nikon D7000 with kit 18-105 3.5/5.6 and a 60mm f/2.8D.
I would like to get a faster lens as I'm concerned f/2.8 on the 60mm might be too slow to achieve shutter speeds that won't blur.
I might be able to get some $$ for a 50 1.4 but I doubt it.
so 35mm f/2, 35mm f/1.8

What DSLR cameras are similar to Nikon d90?

I was wondering what dslr cameras are similar to Nikon d90 whether it is cheaper or more expensive.

What settings should I use to get a picture of the moon?

Shutter speed, f-stop, exposure time, iso speed…
And if you know how, how do I change these settings on a Nikon D3000.

What fisheye lens can I use on my Nikon D5000 18-55mm?

Hi! I'm looking to purchase a fish eye lens for my camera but I don't know what size to buy that will fit onto my 18-55mm lens. Help would be much appreciated!

Could you tell me EXACTLY what I need, everything and anything about it.

Is the Nikon D3000 lenses compatible with the D5000?

I've got a Nikon D3000 and am looking to change up to a Nikon D5000. I've got what I hope is a compatible lens, just wondering what people think.

Lens: Nikon 18-55mm 1:3.5-5.6G VR AF-S DX NIKKOR

I've heard there might be a problem with a focus motor, but I think the AF-S means it should work with the D5000?

Any ideas/suggestions/explanations would be great.

What's the difference between the Nikon D5000 and the D90?

I've been looking at the specification, and they don't seem much different, but the D90 is quite a bit more expensive! Why is this?

Advice on what camera to buy?

I would like some advice on what camera to buy. These are my options.

1.canon EOS 60D, lens: CANON EF-S 17-85mm F/4-5.6 IS USM.

2.canon EOS 60D, lens: CANON EF-S 18-135mm F/ 3.5-5.6 IS.

3. NIKON D7000, lens: Nikon AF-S DX VR 18-105 mm f/3.5 - 5.6 G ED.

Can anyone shed some light as to which one Is superior?

Review on Nikon D3100?

How do you feel about the Nikon d3100 SLR camera?
is it worth the price?
is there good clarity?
any useful info/tips on this camera?

Best, reasonably priced, Nikon DSLR?

I'm buying a new DSLR, and i don't want to pay more then £750 for it (Camera body AND lens). I'm currently looking at the D90, but anymore suggestions would be appreciated. There are a few things that are a MUST, it must have HDR(photo bracketing), compatable with alot of lenses and filters, easy to use, good image quality (really not bothered about video quality) etc etc.
A good camera for taking all different kinds of photo's, mainly portrait, landscape and macro shots.
Also, anyone with a Nikon D90 or A Nikon D3100, can you tell me what you think of these cameras?

A good travel tripod for DSLR?

I want to get a a light weight travel tripod for my Nikon D60. Looking at a few travel tripods on amazon and their reviews, i got the feeling light weight ones don't often support DSLRs. Is there any reliable light weight ones that are reliable?
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Arts & Humanities > Visual Arts > Photography