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Thread: one qn about nikon d40x AF function

  1. #1

    Default one qn about nikon d40x AF function

    hiz...

    i am still very new to the dslr world, and is thinking of getting a dslr. for my 1st dslr, i am still comparing between the nikon d40x and canon eos 400d.

    actually one of my concerns is the autofocus thing. after reading the stuff from www.dpreview.com, it appears that the nikon body lacks a AF motor in its body and needs the newer type of nikkor lenses (AF-S) to do AF.

    my qn is that suppose i buy a Tamron AF18-250mm F/3.5-6.3 Di II LD Aspherical (IF) lens, will i still be able to do autofocus with the nikon body?

    thanks...

  2. #2

    Default Re: one qn about nikon d40x AF function

    Quote Originally Posted by sodiumcynide View Post
    my qn is that suppose i buy a Tamron AF18-250mm F/3.5-6.3 Di II LD Aspherical (IF) lens, will i still be able to do autofocus with the nikon body?
    Tamron lens unable to be used on Nikon D40 bodies as the bodies lack the drive motor to perform auto-focus function with Tamron lenses. You need Nikon AF-S lenses or Sigma HSM lenses.

  3. #3
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    Default Re: one qn about nikon d40x AF function

    Quote Originally Posted by Squid View Post
    Tamron lens unable to be used on Nikon D40 bodies as the bodies lack the drive motor to perform auto-focus function with Tamron lenses. You need Nikon AF-S lenses or Sigma HSM lenses.

    I second that! I'm a D40 user myself... if you want to get any other lenses that does't have AF-S, HSM then you just have you manually focus it..
    ...seeking angles in a new definition...
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  4. #4

    Default Re: one qn about nikon d40x AF function

    ok... hhmm...

    another question... in nikon lenses, some have VR function in them to aid the user to get better pictures. in canon's case are there any equivalent functions available to help the user?

  5. #5

    Default Re: one qn about nikon d40x AF function

    Quote Originally Posted by sodiumcynide View Post
    ... in nikon lenses, some have VR function in them to aid the user to get better pictures. in canon's case are there any equivalent functions available to help the user?
    In Canon, the function is known as Image Stabilizer (or IS)

  6. #6

    Default Re: one qn about nikon d40x AF function

    Quote Originally Posted by sodiumcynide View Post
    ok... hhmm...

    another question... in nikon lenses, some have VR function in them to aid the user to get better pictures. in canon's case are there any equivalent functions available to help the user?
    Yes, in Canon's case it's the IS lenses.

    Or you can get a Sony/Pentax/Olympus with AS built-in the body.

  7. #7

    Default Re: one qn about nikon d40x AF function

    hhmm...

    in that case, then by comparing a nikon d80 and eos 400d would be a better chose. as such, both models offer almost equal degree of freedom to choose whatever type of lens the user requires (with respect to the AF issue)...

    so the qn now boils down to the cost of the body and future cost of buying lenses rite??

  8. #8

    Default Re: one qn about nikon d40x AF function

    Quote Originally Posted by sodiumcynide View Post
    hhmm...

    in that case, then by comparing a nikon d80 and eos 400d would be a better chose. as such, both models offer almost equal degree of freedom to choose whatever type of lens the user requires (with respect to the AF issue)...

    so the qn now boils down to the cost of the body and future cost of buying lenses rite??
    Yup. I suggest looking in the "Marketplace" section. Lots of good deals there now on both these bodies.

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    Senior Member zac08's Avatar
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    Default Re: one qn about nikon d40x AF function

    Quote Originally Posted by sodiumcynide View Post
    hhmm...

    in that case, then by comparing a nikon d80 and eos 400d would be a better chose. as such, both models offer almost equal degree of freedom to choose whatever type of lens the user requires (with respect to the AF issue)...

    so the qn now boils down to the cost of the body and future cost of buying lenses rite??
    Dun forget to consider the other aspects such as flash, cards, and other support, etc...
    Michael Lim
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  10. #10

    Default Re: one qn about nikon d40x AF function

    Quote Originally Posted by Squid View Post
    Tamron lens unable to be used on Nikon D40 bodies as the bodies lack the drive motor to perform auto-focus function with Tamron lenses. You need Nikon AF-S lenses or Sigma HSM lenses.
    looking at the sigma 18-200mm f3.5-6.3 DC OS lens, the company website

    http://www.sigmaphoto.com/lenses/len...24&navigator=6

    under the corresponding AF mounts, it says nikon HSM available. does this mean that i can use bodies that lack drive motor to perform AF function??

    or they just simply mean that it can do autofocus when fixed into nikon bodies WITH drive motor?

  11. #11

    Default Re: one qn about nikon d40x AF function

    Quote Originally Posted by sodiumcynide View Post
    looking at the sigma 18-200mm f3.5-6.3 DC OS lens, the company website

    http://www.sigmaphoto.com/lenses/len...24&navigator=6

    under the corresponding AF mounts, it says nikon HSM available. does this mean that i can use bodies that lack drive motor to perform AF function??

    or they just simply mean that it can do autofocus when fixed into nikon bodies WITH drive motor?
    afaik...if it says HSM, u can use auto focus on the D40

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    Default Re: one qn about nikon d40x AF function

    Quote Originally Posted by sodiumcynide View Post
    looking at the sigma 18-200mm f3.5-6.3 DC OS lens, the company website

    http://www.sigmaphoto.com/lenses/len...24&navigator=6

    under the corresponding AF mounts, it says nikon HSM available. does this mean that i can use bodies that lack drive motor to perform AF function??

    or they just simply mean that it can do autofocus when fixed into nikon bodies WITH drive motor?
    the AF works for d40x.

  13. #13

    Default Re: one qn about nikon d40x AF function

    Quote Originally Posted by zac08 View Post
    Dun forget to consider the other aspects such as flash, cards, and other support, etc...
    with regards to the flash, how does eos 400d , nikon d40x and nikon d80 compare?
    what are the stuffs in the flash i need to look out for?

    i done some searching online, it appears that the eos 400d and nikon d40x body are almost equally priced at around SGD$880, a friend of mine said that the d40x flash is better than the eos 400d one. how is this so?

  14. #14
    Senior Member zac08's Avatar
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    Default Re: one qn about nikon d40x AF function

    Quote Originally Posted by sodiumcynide View Post
    with regards to the flash, how does eos 400d , nikon d40x and nikon d80 compare?
    what are the stuffs in the flash i need to look out for?

    i done some searching online, it appears that the eos 400d and nikon d40x body are almost equally priced at around SGD$880, a friend of mine said that the d40x flash is better than the eos 400d one. how is this so?
    Nikon boasts one of the best flash system for DSLRs...
    Michael Lim
    My Flickr Site

  15. #15

    Default Re: one qn about nikon d40x AF function

    Quote Originally Posted by zac08 View Post
    Nikon boasts one of the best flash system for DSLRs...
    I think Nikon, Sony and Olympus have good flash systems.

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    Default Re: one qn about nikon d40x AF function

    Quote Originally Posted by Rashkae View Post
    I think Nikon, Sony and Olympus have good flash systems.
    I wouldn't say the rest aren't good, but at the colour reproduction and iTTL standards, Nikon is definitely hard to beat on the flash system.
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    Default Re: one qn about nikon d40x AF function

    Quote Originally Posted by sodiumcynide View Post
    with regards to the flash, how does eos 400d , nikon d40x and nikon d80 compare?
    what are the stuffs in the flash i need to look out for?

    i done some searching online, it appears that the eos 400d and nikon d40x body are almost equally priced at around SGD$880, a friend of mine said that the d40x flash is better than the eos 400d one. how is this so?
    I believe the 400D is slightly more expensive, haven't seen any first-hand ones under $1000 yet. As for the built-in flash on the cameras, they are pretty much similar amongst all brands as far as built-in flashes. They are effective only up to around 3m or so and don't expect significant benefits from iTTL or ETTL on these flashes.

    Personally, I don't judge favourably on the D40x simply because of the lens issue. You will be missing AF on a lot of Nikon's best lenses which don't have AF-S on them. Despite what some people claims, it's difficult (not impossible) to manually focus better and FASTER than AF systems these days.

    Maybe you can look at the D80 if your budget can be stretch, the kit itself is quite a good value pack. Of course, you have to decide base on whether photography is going to be a long-time interest or not to justify the spending.

  18. #18

    Default Re: one qn about nikon d40x AF function

    Quote Originally Posted by sodiumcynide View Post
    looking at the sigma 18-200mm f3.5-6.3 DC OS lens, the company website

    http://www.sigmaphoto.com/lenses/len...24&navigator=6

    under the corresponding AF mounts, it says nikon HSM available. does this mean that i can use bodies that lack drive motor to perform AF function??

    or they just simply mean that it can do autofocus when fixed into nikon bodies WITH drive motor?

    I am using the Sigma OS HSM 18-200mm on my D40X, which AF well.
    Nikon D40X + Sigma 18-200mm OS HSM

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