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  1. #131
    DPP Member Emerson D. Onte's Avatar
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    Re: Nissin Di-622 mark II



    As mentioned by sir david on his review, Di622 does not calculate for sensor size differences. Whats the effect of this on the photo? is it a big deal?.. if your using an fx lens on dx camera, the flash zoom will be correct, am i right sir? :-)

  2. #132
    Super Moderator David Tong's Avatar
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    Re: Nissin Di-622 mark II

    Emerson: No not really, the only issue is minor inefficiency.

    Think of it this way. When you mount a 50mm on a cropped body (D90 in your case), the Nissin will adjust its beam pattern to fill a 50mm lens' field-of-view.

    But since you have a crop sensor, your effective field of view is actually of a 75mm lens (narrower), so you'll be wasting a little light because the beam is wider than it's required.

    Made a simple graphic for you to visualize.


    In short, there's always a little excess light unused when you use the Di622 MKII on a crop camera.

  3. #133
    DPP Member Emerson D. Onte's Avatar
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    Re: Nissin Di-622 mark II



    Sir david thank you very much for this representation. its much clear for me now.Before , i thought of it the other way around. I thought the flash will be weaker if used in cropped sensors.. The flash zoom will always be based on the field of view of the sensor regardless if you use an FX or DX lens

  4. #134
    Super Moderator David Tong's Avatar
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    Re: Nissin Di-622 mark II

    Yes it'll be weaker.

    As the beam goes wider, it can't reach as far... Just as if the beam is narrower, it can't spread as wide...

    Think of a garden hose with a nozzle attachment... A 'stream' will shoot the water farther but the 'spray' will cover more ground. You can't have both wide and far at the same time without more water pressure (or in this case, more flash power).

  5. #135
    DPP Member Emerson D. Onte's Avatar
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    Re: Nissin Di-622 mark II

    Another thing sir david, when you tilt/swivel the head of this flash the flash zoom will always be at 50mm...what if used wirelessly, full manual, is it also at 50mm?

    Again, thanks sir david!.. your website is full of interesting topics which greatly help newbies like me.
    :-D

  6. #136
    Super Moderator David Tong's Avatar
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    Re: Nissin Di-622 mark II

    No, if it's detached from the camera, the zoom defaults to 24mm.

  7. #137
    DPP Member robert reyes's Avatar
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    Problem with Nissin DI622 Mark 2's Startup ( need help )

    "recently i just bought a new 622 Mark 2.

    i noticed that when i turn in on , the loading time take forever.

    the pilot red LED never turn Green, occasionally it does and its random.

    i tried turning on and off and kept trying for a week already but still it wont work.


    Theres nothing wrong with the batteries, cos they are brand new,

    i am not sure what is the cause of the problem.

    I've owned a few flashed previously, but this is my first time encountering this.


    i know normally we have to let it warm up but it seems like the flash is faulty now.

    I never dropped it before and it is still in mint condition.


    What could be the problem?


    Can someone enlighten me?

    Thanks "







    Guys.. i had a similar problem with this guy from SG, with my nissin DI622 External Flash, i already tried 3 new battery sets... it still doesn't work.. is there a repair shop here in manila? thank you in advance.

  8. #138
    DPP Member TonPineda's Avatar
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    question regarding Nissin DI622 MKII

    I recently bought a Nissin DI622 MKII and i just want to ask one thing..

    If the pilot led takes too long to turn green during startup does it mean that the batteries are exhausted?
    Canon EOS 500D


  9. #139
    DPP Member VincentArnuelPalomar's Avatar
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    Re: question regarding Nissin DI622 MKII

    low battery. green = recharged and ready to fire.
    I shoot just for the heck of it....

  10. #140
    DPP Member TonPineda's Avatar
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    Re: question regarding Nissin DI622 MKII



    Quote Originally Posted by VincentArnuelPalomar View Post
    low battery. green = recharged and ready to fire.
    thanks a lot !
    Canon EOS 500D


 

 

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