40D Lenses

Discussion in 'Photography Equipment & Products' started by zbo2408, Jun 16, 2008.

  1. zbo2408

    zbo2408 TPF Noob!

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    A few days ago I started a thread about which Canon DSLR to get. I am pretty much locked onto the 40D... which looks like it uses EF & EFS lenses.. I think.?

    Now for lenses, I may not buy all these now, but could ya'll show me some lenses for :

    Macro
    Tele Photo / Zoom tele photo & (What is the difference between the two)?
    Wide Angle Lens
    Standard all purpose general lens if there is such a thing... I guess like an 18-75 or something....?

    I am almost 100% ignorant about lenses, so plz explain everything you can, Thanks!!
     
  2. Mav

    Mav TPF Noob!

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    If you click the FAQ link in my sig, there's a good link in there on Canon DSLRs and Lenses 101 that's definitely worth a read. There's also some huge index of threads with photo examples from just about every Canon lens ever made.
     
  3. keith204

    keith204 No longer a newbie, moving up!

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    What's your budget? Silly as it may seem, stick with the kit lens at first (the 28-135 IS). It's nothing real fancy - it has IS, and has a decent range, but it will get you started so you can find what more you desire.

    You can get a 40D w/ 28-135 IS shipped from Newegg.com for only $1,129. B&H is the same price + shipping I believe.
     
  4. Big Mike

    Big Mike I am Big, I am Mike Staff Member Supporting Member

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    I agree. Get the lens that comes packaged with the camera...which is usually the 28-135mm IS for the 40D. Or maybe look for a package with the 18-55mm IS lens.

    Use that one lens for a while and then you will have a better idea of where to go next.
     
  5. soylentgreen

    soylentgreen TPF Noob!

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    Start out with a good general purpose lens. The better deal is the EF-S 17-85mm f/4-5.6 IS lens. The 28-135 is too narrow and does not offer enough wide-angle, especially on a crop sensor like the 40D. It would equate to a 44-205mm. Use it for a bit and than decide what you need. It all really depends on that and your budget. If you like shooting flowers, than a tripod and macro lens is a good route. Like critters and birds, than the zoom is your need, etc, etc. Figure out your need than go from there.
     
  6. Phazan

    Phazan TPF Noob!

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    I second the 17-85mm kit. It's a better range IMO.
     
  7. zbo2408

    zbo2408 TPF Noob!

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    With the 17-85mm f4-5.6

    This means I could only use aperture settings of f4 & f5.6 correct?
    If thats the case I do not want this lens because I do not want to be that limited on my aperture settings.

    Also when a lens says autofocus lens, does that mean you have to use autofocus or can you manual focus as well?

    My P&S is 3x Optical how does that equate to the mm description on regular lenses?

    Also if ya'll could link me to a good macro lens and a good tele lens I woudl appreciate it and what is the diff between tele zoom & zoom? Is there a diff?

    I'm probably around a month away from buying anything and my budget is sort of up in the air right now. The camera is around $1,200 with a kit lens, so I may not be buying anything more than that for a few months. But if ya'll could show me the lenses I asked around around 100-400 each that would be a good range.

    Thanks
     
  8. sultan

    sultan TPF Noob!

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    No no no, you've got it all wrong. f/4-5.6 are the widest apertures possible. You can stop down to f/11 or f/16 or even f/22 with that lens. Also, when it says autofocus, it means you can autofocus it too but manual focusing is always there as an option and most prefer it for unusual scenes.

    Probably, your P&S will have a 35-105mm 35mm equiv, thats approximately like a 21-63mm on the 40d.

    Tele zoom means it is a zoom for small & far away objects. Ordinary zooms are for ordinary photography; the 17-85 is one. Ultra-wide zooms are for wide angle shots.
     
  9. zbo2408

    zbo2408 TPF Noob!

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    so what does the f/4-5.6 mean?

    I want to be able to take it all the way from 2.8 or even lower if possible all the way to f/22.


    Could you elaborate just a little more here for me?
     
  10. soylentgreen

    soylentgreen TPF Noob!

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    The larger the aperature (smaller f/stop) the more light a lens can let in. The more light, the faster the shutterspeed you can attain. Highly preferable for low-light situations, sporting events, wlidlife photog where a high shutterspeed is needed. Smaller aperature, f/4 and higher, are good all around lenses where there is decent light. You can use them in less than ideal light, but the shutterspeed will be slow if you do not use flash or higher ISO settings. If you want a f/2.8 in that range, you are looking at the EF-S 17-55 f/2.8 IS or 24-70 f/2.8L. Both $1K+ lenses. Large aperature lenses cost $$$. There are third party lenses by Tamron and Sigma that are cheaper, but sacrifice a bit of image quality.

    Zoom lenses are just that. Lenses that can zoom within the designated focal length. 17mm-85mm, 70mm - 200mm. etc. Prime lenses do not zoom. They have a fixed focal length 50mm, 300mm etc.
     
  11. zbo2408

    zbo2408 TPF Noob!

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    I understand aperture, shutter speed, ISO, Depth of Field... etc etc...

    My main question is...
    When a lens says it is a f4 f5.6 lens... does that mean I can only use those apertures? Or can I use what ever aperture I want???
     
  12. Tiberius47

    Tiberius47 TPF Noob!

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    The Tamron 17-50mm lens is good. It has a constant widest aperture of f2.8 all through the focal range. I have one and it lives on my camera.

    When a camera says f4-f5.6, it means they are the widest apertures you can use. The first number is the widest aperture you can have when the lens is zoomed out, and the second is the widest aperture you can have when the lens is zoomed all the way in. So in this case, if the lens is on the widest szoom setting, you have a widest aperture of f4. If you zoom all the way in, the widest aperture you can get is f5.6. The aperture narrows down to around f22 or so, and even further sometimes.
     

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canon 18-75 or 24-105 as general lens for 40d