Canon 17-40 f4 for astro

Discussion in 'Photography Beginners' Forum' started by Evertking, Aug 15, 2019.

  1. Evertking

    Evertking How do I turn this thing on? Supporting Member

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    I am going on a camping trip soon and wanted to try some night photography and my wide lens is only a f4. Will I be wasting my time and need a faster lens?
    Thanks


     
  2. Original katomi

    Original katomi No longer a newbie, moving up!

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    I have used the canon 70 200 f4 for star shots. As you are camping you will have torches, have a play with light painting
     
  3. photoflyer

    photoflyer TPF Supporters Supporting Member

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    I have gotten some nice astro shots with my 24-105 f4 L on a full frame. What are you mounting this to? A full frame will normally enable you to shoot higher ISO with less noise but even with APS-C you should be able to get some decent shots. Go for it.
     
  4. Evertking

    Evertking How do I turn this thing on? Supporting Member

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    I will be using a Canon 6D
    I also have a nifty 50 I guess if it comes down to it.
     
  5. photoflyer

    photoflyer TPF Supporters Supporting Member

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    Definitely bring the 17-40.

    At 17mm you'll be able to take nice long exposures.

    This was shot with the 24-105 f4 on a 6D Mark II at 24mm F8, 20 seconds ISO 3200.

    Share what you take in this thread.

    20190525232309_IMG_2303-02-2314x1543.jpeg
     
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  6. Evertking

    Evertking How do I turn this thing on? Supporting Member

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    Well, thanks and that answers my question.
    love the image
     
  7. Grandpa Ron

    Grandpa Ron No longer a newbie, moving up!

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    You can have a lot of fun with f4, a tripod, slow shutter and high ISO. The biggest issue is clear skies.

    A sutter delay and dropping the mirror before taking the picture helps reduce vibrations.

    I also bought a telescope adapter, but that's another adventure.

    Good luck
     
  8. Jeff15

    Jeff15 TPF junkie!

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    I look forward to seeing your results................
     
  9. Grandpa Ron

    Grandpa Ron No longer a newbie, moving up!

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    Evertking,

    The direct answer to you question is yes.

    Provided you have clear skies, there is the big dipper, f5, 30 sec, 1600 ISO, 18mm.




    IMG_0328.JPG
     

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