1. twist

    twist

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    So what happens to all the dust thats in the camera and the next time the shutter opens?
     
  2. Radiohead

    Radiohead Mine sucks

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    3,750
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    Guy
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    Turns into extra pixels.
     
  3. f/2.8

    f/2.8

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    Tommy
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    I always do that too. There is a reason for doing it, but I can’t remember why.
     
  4. twist

    twist

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    Ooo little black blobby pixels
     
  5. decigallen

    decigallen

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    It makes it less likely the sensor can get damaged when changing lenses. It won't stop dust getting on the sensor nor would it claim to, I expect.
     
  6. jonneymendoza

    jonneymendoza

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    The shutter is actually More fragile then the sensor
     
  7. twist

    twist

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    Have you ever damaged a sensor changing a lens? If you did damage the filter wouldn't the cost be similar to replacing the damaged shutter?
     
  8. Raymond Lin

    Raymond Lin

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    Raymond
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    But on that argument, is the mirror box cheap to replace? Why isn't that flipped up when changing lenses in DSLR?

    I am sure in film SLR the mirror is down too and the shutter is down. What are they protecting? thin air? :D
     
    Last edited: Sep 12, 2018
  9. addicknchips

    addicknchips

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    386A663C-A5A9-49C4-8473-16801A67971E.jpeg 87FB963A-D65C-4122-B80F-B201916913EF.jpeg Will canon seems to be the main focus of this thread, I managed a couple of shots manually focusing with the 135mm. Epic sunset this evening while feeding the squirrels. Fingers crossed for another tomorrow.

    Couple of jpegs
     
    Diamonddec and woof woof like this.
  10. woof woof

    woof woof

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    I'll use my gear in rain and snow but one problem I rarely see mentioned (in fact probably never mentioned) is that water/snow can get on the lens and spoil the shot as you press the shutter. For me this has been a bigger problem than a lack of weather sealing as I've never had a weather related failure but I have had shots spoilt by snow or water landing on the front of the lens.

    Just for fun, a couple of before and afters...

    IMG_9305-1.jpg

    IMG_9305-2.jpg

    IMG_9310-1.jpg

    IMG_9310-2.jpg

    Both of these were ok when looking through the vf and the problem occurred as I took the shot :D

    Canon 20D and Tamron 17-50mm f2.8.
     
    Last edited: Sep 12, 2018
    razor777 likes this.
  11. woof woof

    woof woof

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    Last edited: Sep 12, 2018
  12. jonneymendoza

    jonneymendoza

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  13. nandbytes

    nandbytes

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    Typical :facepalm:
    So you don't want the cameras to get better
    Why are you against progress. Knowing weakness of your gear is as important as knowing it's strengths.
    I suppose you'd know that if you tried using your gear :p

    It's only an issue if the water seeps in through the battery door which has been shown in tear down and tests.

    Just because you guys can't see a use for it doesn't mean it's not necessary for everyone. I have used as wide as 21mm at macro distances for shooting flowers. Link my in signature.
     
  14. nandbytes

    nandbytes

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    Entire range of normal lenses. I don't see any PF or DO lenses.
     
  15. f/2.8

    f/2.8

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    Tommy
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    To be honest photos of flowers bore me
     
  16. nandbytes

    nandbytes

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    Ok but that's besides the point
     
  17. twist

    twist

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    Those are ef and f mount right? Enjoy them on your adapted 3fps milc. ;)

    Why haven't you bought your canikon yet? Found the weaknesses in them have you.
     
    Last edited: Sep 12, 2018
  18. JJ!

    JJ!

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    Just a quick question. The 70-200 GM makes some strange noise when I turn on the camera. Hard to describe the noise other than it’s a strange kind of vibration rattle buzz lol

    Normal?
     
  19. ukaskew

    ukaskew

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    3,174
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    Chris
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    OSS kicking back in I imagine, I have other lenses that do it. It's usually 'docked' when the camera is switched off to save the internals moving around in transit etc.
     
    twist likes this.
  20. twist

    twist

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    Probably OSS
     
  21. JJ!

    JJ!

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    Does it with OSS off too. It’s more or a slight buzz kind of noise.
     
  22. BigBudgie

    BigBudgie

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    Graham
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    Could be a horse fly trapped inside
     
  23. Andy82

    Andy82

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    This is pretty much the only thread I have been participating in recently. I keep getting notifications to my phone saying I have messages. 7 in total now. Yet I see no messages in my Inbox.
     
    jonneymendoza likes this.
  24. f/2.8

    f/2.8

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    Are you sure it isn’t the sensor cleaning sounds louder with a longer lens
     
  25. JJ!

    JJ!

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  26. f/2.8

    f/2.8

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    Tommy
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  27. SsSsSsSsSnake

    SsSsSsSsSnake

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    I don’t have this problem as I only have 1 lens :(
     
  28. Andy82

    Andy82

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    Haha I only have one lens for my sony at the moment. But I always turned my Nikon off when changing lenses
     
    SsSsSsSsSnake likes this.
  29. JJ!

    JJ!

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    Just thought it was best to check with other owners!
     
  30. nandbytes

    nandbytes

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    If transfer me £5K I'll happily do so.

    I am not made of money unfortunately. I rely on used market greatly. Same reason I still don't own a sigma 35mm ART.
     
  31. CharleyBird

    CharleyBird

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    Andy
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  32. JJ!

    JJ!

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    4,886
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  33. addicknchips

    addicknchips

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    Reminds me of the old sigma macro lenses image stabilisation noise.

    @Riz_Guru can you take yours out of the cabinet and box and attach it to your camera. See if makes the same noise.
     
    Riz_Guru likes this.
  34. Riz_Guru

    Riz_Guru

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    Riz
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    I will do :D
     
  35. JJ!

    JJ!

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    I'm sure its all fine, but be nice just to clarify! My mate has said his 70-200 F4 does it but maybe not as loud.

    But once you have located the key and unlocked the cabinet I would appreciate if you could let me know!
     
    Riz_Guru and jonneymendoza like this.
  36. Swiss Toni

    Swiss Toni

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    1,193
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    It'll make a groaning noise, like someone waking up from a long sleep! :LOL:
     
  37. Mr Perceptive

    Mr Perceptive

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    David
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    And thatis just opening the cabinet door :D:D:D
     
    addicknchips, twist and Riz_Guru like this.
  38. Riz_Guru

    Riz_Guru

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    5,969
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    Riz
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    :D
     
  39. JJ!

    JJ!

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    Guessing he is putting on the white gloves and putting the dust extractor on full before the cabinet is opened?!
     
    Riz_Guru and woof woof like this.
  40. woof woof

    woof woof

    Messages:
    18,108
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    Alan
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    I'd expect a nice shirt, tie, trousers and shoes and a decent hair cut too. In fact this event demands a full make over.
     
    Riz_Guru and twist like this.

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