digital camera nikon d40?

Question

what is the diamater of the nikon d40 lens? i am looking to buy fitlers for mine and have forgotten what it is. i want to say 50 or 52mm.

Answer 1

You've already got good answers on the filter size, but I wanted to weigh in on the UV/Skylight filter question.

I always put a filter on the end of every lens. So far, it's clearly saved two lenses from damage (one was damaged with the lens cap on.) The money I've spent on filters has easily been offset by the money I've saved on broken or damaged lenses.

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EDIT: I see from other answers that this, too, is a controversial photography subject. While the claim can be made that adding a filter to a lens somehow reduces image quality, it cannot be said that this is the equivalent of washing your feet with your socks on.

My camera rolled out of the back of a rented SUV one day, while on an assignment. It was in a camera bag with the lens cap on. The camera hit the ground lens first. The lens cap was crushed into the filter, and the glass of the filter split right up the middle. The lens survived without a blemish.

Another time I moved a little too quickly to get a shot, and as I turned, I scraped the open end of the camera lens on the corner of a brick overhang. Damage: scratch to the filter, no damage to the lens.

No one has ever refused to hire me, or stopped payment on a check because I used a filter on a lens.

Sometimes being a purist can go beyond the bounds of common sense, in my opinion.

Answer 2

It's a great entry level camera. The quality of the images are just amazing. You have much more control over the settings than you would get with any point & shoot camera, so it's a really good starting point if you want to learn more about photography. The lens limitation is NOT that bad. Because the camera body doesn't have a lens motor, you can only use Nikkor DX lenses, unless you want to focus manually. There are plenty of lenses you can use with this camera, so you will NOT be limited. The D40 kit comes with an 18-55 mm lens, which should be sufficient for most beginners/amateurs. Overall, the D40 is a great camera.

Answer 3

On the D40, the filter thread will be on the front of the kit lens. Just to tell you now, the thread on the kit lens is 52mm. To help you in any future situations, the thread will be on the front of the lensor, and on the inside of the lens cap.

Just as a note, most filters are uncessary. Just a guess, but you're probably thinking about buying a UV filter to protect your lens, right? Just like the guy at the store said, right?

Let me just say, a cheap UV filter is the biggest waste of money in photography. It is bought mostly to protect the main element of the lense from scratches. This is ignorant. First off, glass does not scratch as easily as most people think. Secondly, a cheap UV filter significantly degrades the image quality, greatly increasing ghosting, and destroying the contrast and sharpness. These cheap filters range from $10-$20, but the best filters are in the hundreds. Back to the UV filter. In any sense the UV filter destroys the lens quality. And yet, there are even more problems. If a photographer is clumsy enough to scratch their lens, this is why the lens cap was invented. A nice lens hood will work even better. In the end, the only thing you should be worried about is dropping the lens, which the the UV filter will not help anyway.

The only filters I would suggest are the polarizing filter, a ND filter, and a square slit ND filter. Other than that, the effects can easily be replicated on the computer.

Hope this helps.

Answer 4

Nikon D40 Kit Lens

Answer 5

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For an entry level DSLR yes I would recommend this camera. I have a D50 and D80 and I love them both. As for lens compatibility, this is just something you need to be aware of. Basically up until now all Digital SLR cameras from Nikon have had an auto focus motor inside them. This motor drives the auto focus on the lens. Some lenses also have their own focus motor allowing them to focus more quickly. In the drive to make more advanced cameras cheaper and more accessible Nikon removed the auto focus motor from the D40. Many people seize on this as an issue citing it as a deficiency in the D40. In the modern era there are a nice selection of lenses that have this auto focus motor in them, starting with the 18-55mm 'kit' lens that sells commonly for not much more than $100 going through to some of the most advanced "VR" lenses made. The only time this would be an issue would be if you already owned older lenses which would have to be manually focussed with the D40. These lenses are designated as either AF-S (Silent Wave Motor) or AF-I (Internal Focus Motor). If you buy a D40 you will just need to take care to get one of these types of lens. Should you later decide to upgrade to a more advanced Nikon Camera, these types of lenses will still work on your new camera body, so there is nothing lost and in fact a lot to be gained in upgrading this system. Nikon cameras are a professional system that will work well for you and grow with you as you gain more experience in photography. Enjoy your new D40!

Answer 6

My daughter's 18-55mm lens has a 52mm filter size. Other than a protective 1a or UV filter (some debate on this), I'd only recommend a polarizer and the HB-22 lenshood. Some dealers will try to sell you many unnecessary filters, but current DSLR cameras and their software can provide the white-balance and color changes you would desire.

Hope this is helpful.

p.s. The Nikon 55-200mm lens also takes a 52mm size.

Answer 7

The standard 18-55mm kit lens for the D40 has a 52mm filter size.

The only filter I would recommend buying for starters is a circular polarizer, to intensify colors, make more intense blue skies or reduce glare/brightness.

Just about any other filter (UV, skylight, etc.) will simply reduce contrast without helping your photo.

Absent a particular effect (i.e. for B&W photos or graduated neutral density for landscapes with sky), filters aren't much good.

As for lens protection: use a lens hood and lens cap. Much more effective.

Answer 8

It's 52mm.

I have the Nikon D40 and prefer a UV filter over the polarizing filter. It acts as a good lens protector but also removes haze.

Answer 9

I agree 100% with JBT. I, too, have had a lens saved by a UV filter.

I've had a Skylight or UV filter on every lens I own since the day I got them. The only lens I own that faces the world naked is my 16mm 180 degree full-frame fisheye.

If you buy quality - TIFFEN, HOYA, B+W - there will be no discernable loss of image quality.

Answer 10

Here's the specs on the Nikon D40:

http://reviews.cnet.com/digital-cameras/nikon-d40-w-18mm/4507-6501_7-32156779.html?tag=specs