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Chrissie

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  1. Like
    Chrissie got a reaction from Thad E Ginathom in Wind Turbines waiting for Dawn   
    Now this is clearly becoming way off-topic, but I beg your patience.
    I just returned from walking the dog outside, for the night, and kept thinking about this exchange.
    It's no wonder, it took an "eastern" mind like @Thad E Ginathom's (from India) to make my "western" mind (Switzerland/Germany) aware of the fact, that "waiting" is primarily a state of mind, not of the body.
    As a dog-owner, or at least the husband of the real dog-owner 😉 , I see how we train the obedience of the dog by commandeering her to "Wait!", which goes along with her compelled physical inactivity. While invisibly to to the naked eye, her mind is very actively waiting to be released from this forced inactivity.
    Very interesting indeed. And again: thanks @Thad E Ginathom for broadening my mind like this.
  2. Like
    Chrissie got a reaction from Thad E Ginathom in Wind Turbines waiting for Dawn   
    Interesting thought! 8-)
    The mind may be waiting, while the body goes on with its monotonous activity. Very much possible, not only among wind turbines I'd say. Thanks for pointing this out.
  3. Like
    Chrissie reacted to Thad E Ginathom in Wind Turbines waiting for Dawn   
    Who knows what goes through the mind of  a wind turbine! Oh, wait... I forgot: you're an engineer.
    I love the picture too. That moon is the cherry on the cake. Super.
  4. Like
    Chrissie reacted to syncusoidal in Wind Turbines waiting for Dawn   
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  5. Thanks
    Chrissie got a reaction from BigEyedFish in Vizelex ND Filter Adapter   
    Sounds like you have "focus peaking" enabled. There is a color setting and an intensity setting for this in the menu.
  6. Like
    Chrissie reacted to Dondeando in Wasp At Work   
    A6000 w/24 1.8
     

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  7. Like
    Chrissie got a reaction from Alejandro Espeche in Zoom for sports / BIF   
    Definitely so.
    From an engineering point of view: it's the angular velocity with which you would have to turn your head/camera to track an object, which is significantly different between the two.
    The sparrow has a size (length) of maybe 0.15m, yet can attain a speed of up to 60km/h! If you want to shoot the sparrow such that it covers the full width of your sensor, it should propably fly by no further than 1 m from your lens. Let's take 5m, which is more realistic.
    The Boeing 777 has a length of 273m and has a landing speed of 272km/h. You could probably shoot the Boeing from 300m away and still fill the width of the sensor.
    The angular velocity with which to follow the sparrow is 60km/h (= 17m/s) at a distance of 5m.   17m/s  divided by 5m = 3.5/s.
    The angular velocity with which to follow the Boeing 777 is 272km/h (= 76m/s) at a distance of 300m.  76m/s divided by 300m = 0.25/s.
    (Note, that this is not the true unit of measurement, yet the relation between the two is unaffected. Actually one would have to divide by 2*PI to arrive at the unit "rotations per second")).
    So the sparrow requires at least the 15-fold angular velocity while tracking the bird, compared to the plane. And that's a benevolent estimation. It's probably much worse.
    Plus, tracking a tiny bird (little coverage of the sensor) against a cluttered background is much harder than to track a plane (huge coverage of the sensor) against a "clean" background.
    In a further addition: the direction of movement of a landing plane is very predictable, compared to BIF in the wild.
  8. Like
    Chrissie got a reaction from Thad E Ginathom in Bird In Flight -- share your BIF photos here!!!   
    In addition to the photographic merit, of course: as a biker, I like the way how this bird is doing a curved flight, yet keeping his head perfectly aligned with the horizon.
    Pretty much like motorcyclists do it, too.
     

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  9. Like
    Chrissie reacted to larrywongphotography.com in Bird In Flight -- share your BIF photos here!!!   
    Sony A9 with Canon 400mm F4 DO II and Metabones V adapter. (www.larrywongphotography.com)

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  10. Thanks
    Chrissie reacted to Alejandro Espeche in A7Riii, 200-600, BIF Issues   
    Hi, what I mean is that the bird always has to be in the center behind the flight direction but taking advantage of the best of the lens to get focus.

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  11. Like
    Chrissie got a reaction from Alejandro Espeche in Bird In Flight -- share your BIF photos here!!!   
    In addition to the photographic merit, of course: as a biker, I like the way how this bird is doing a curved flight, yet keeping his head perfectly aligned with the horizon.
    Pretty much like motorcyclists do it, too.
     

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  12. Like
    Chrissie got a reaction from DrJohn in Bird In Flight -- share your BIF photos here!!!   
    In addition to the photographic merit, of course: as a biker, I like the way how this bird is doing a curved flight, yet keeping his head perfectly aligned with the horizon.
    Pretty much like motorcyclists do it, too.
     

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  13. Like
    Chrissie reacted to wildlightphoto in Bird In Flight -- share your BIF photos here!!!   
    all: a7rIII, 600mm f/4 GM

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  14. Thanks
    Chrissie reacted to Alejandro Espeche in A7Riii, 200-600, BIF Issues   
    Hello Chrissie

    I'm sorry for my late reply, I don't enter the forum much. I come from the world Nikon and Canon for nature, always with prime lenses. It is the first time I use a zoom for photography.

    My experience with Nikon was very good with the duplex D800 + 300 f4 still with teleconverter (always talking about BIF) and absolutely disastrous with the D810. When I sold all my Nikon equipment, I switched to Sony but in nature I bought the 7D Mark II with the 400 f5.6. It gave me a very good result.

    When I left the A7R3 I bought it, at first I used the 400 canon with a beautiful adapter (Metabones V) for birds perched but impossible for BIF.

    The thing changed with the FE 100-400, I can focus BIF of birds that fly between trees, those that just take off, to track the ones that I already hooked flying, even with very low contrast. Always use AF-C with focus by zones (the second in the list) always at the center. Never shot less than 1/1600 because fast. The OSS is always on but I guess it will get better when it's off, I don't know and I'm not going to find out.

    For me the secret of the BIF is to always focus one step before, keeping the bird in the back of the direction where one moves.
  15. Like
    Chrissie reacted to piovanil in Condor   
    Here is a portrait of an Andean Condor (juvenile male), taken with a7R III, Sigma MC-11 and Sigma 150-600 Sport on the "camino de las altas cumbres", Cordoba province, Argentina

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    https://live.staticflickr.com/65535/49451148336_ea99a3577b_k.jpg
     
     
  16. Like
    Chrissie got a reaction from Thad E Ginathom in Computer build for editing   
    I haven't tried this myself, but you could also preview the images on a TV screen by means of the camera's built-in hdmi port. This requires a dedicated hdmi cable. I don't know if this will be any faster, but it's worth try, IMO.
     
  17. Like
    Chrissie reacted to Singingsnapper in Doha Waterfront   
    I had an extended stopover of 16 hours on my way from Seoul to the UK so utilised it by spending some time in the city.  Scouted around a bit ready for twilight, was feeling poorly due to a heavy cold, so didn't see as much as I would have liked.   Sony A7r4 FE 24 - 70 GM   Hello guest! Please register or sign in to view the hidden content. Twilight Across the Bay Doha by singingsnapper, on Flickr   Hello guest! Please register or sign in to view the hidden content. Doha Twilight by singingsnapper, on Flickr   Hello guest! Please register or sign in to view the hidden content. BW Islamic art gallery, Doha by singingsnapper, on Flickr
  18. Like
    Chrissie got a reaction from Thad E Ginathom in bad resolution pictures with sony a6000   
    Most of us are pretty lousy at guessing. Why don't you post a sample picture?
  19. Like
    Chrissie got a reaction from Thad E Ginathom in Power supply for dummy battery   
    To quantify the risk you're about to take:
    if you brick the body, that'll set you back by around 400 bucks. A cheap multimeter can be had for around 10 bucks.
    Edit:
    I googled that for you: the Sony A6000 uses a NP-FW50  battery, rated at 7.2 Volts. Remember, that any auxiliary power supply must match the rated voltage of the original power supply. Personally, I wouldn't go beyond a 10% deviation. 

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  20. Like
    Chrissie reacted to Thad E Ginathom in a6000 flashed with a6300 bios   
    The a6000 may be low-priced, but is it cheap enough to brick?
    Would it be possible to just load a different model's firmware? If it is, then Sony is more stupid than I think. It is pretty basic to check for model number, existing firmware version, etc.
    Would it be possible to hack it? Probably. I seem to remember reading that there is a method of changing the firmware model number, iirc, it was in the context of removing the 30-minute video limit (and may have been for a different camera). Would it be wise? Nope. With lots and lots of luck you might end up with menu options that don't do anything. With a little less, you might end up with a camera that doesn't do anything.
  21. Like
    Chrissie reacted to GundamRX91 in Common buzzard   
    Arriving to the perch.

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  22. Like
    Chrissie reacted to jamescooper in Astrophotography   
    A good beginning for Milky Way photography is:
    ISO 1600-3200,
    a shutter speed of 15-20 seconds,
    and the lowest (most wide open) aperture that your camera allows.
    As with most astrophotography, a decent wide angle lens may be a must for Milky Way photography. You’ll also want to use your camera’s noise reduction function to catch up on the high ISO.
  23. Like
    Chrissie reacted to BobLester in A7Riii, 200-600, BIF Issues   
    Chrissie, I did a little of what you recommended, turning off as many of the helpers as possible and when possible using DMF to focus and got much better results. A couple of days ago the sun came out and I had much better luck. I don’t think the A7Riii and 200-600 is as good as I thought it would be for fast birds. I am very new at this but I can see in a burst of shots that it catches focus and then loses it. I’m trying different combinations of tracking and focus lock but I’m finding that the best thing to do is use flexible spot and keep it on the target which works great on big birds like herons. For ducks or smaller birds I have had some luck with AF-C and wide and just held down the shutter while trying to keep the bird in the view finder. 
    Liveshots, I have trouble with motion blur on any movement if the SS is less than 1/1000. With BIF even 1/2500 can show motion blur. 
    Thanks for your comments. It would be nice if an A7riii user would comment.
  24. Like
    Chrissie got a reaction from Thad E Ginathom in A7Riii, 200-600, BIF Issues   
    Bob,
    sorry I can't comment on your specific equipment combination at all. What I'm giving is merely a general advice based on "applied physics". I wouldn't consider myself an experienced photographer at all.
    I have an a9 myself, and an sel100400gm. The body is considered to be "very fast", and the lens is of "GM" quality. Yet, I'm struggling with the very same issues you're experiencing.
    I know it is quite tempting to blame things on some kind of "faulty" equipment, and I feel this temptation all the time, too.
    I would really like to hear from someone, who has a track record of successful BIF shots, like @Alejandro Espeche, @edobg or @Ziggy, for instance, on how they did it and what to lookout for.
    Regarding your question as to cameras which perform better at low light:
    again, and on a very general note: each body has a "profile" of its capabilities and limitations. It's good to hear, that in bright sunlight conditions, BIF is performing very well for you. When pushing things to extremes, maybe one has to finally accept, that your body/lens combination is for bright light conditions only. If low-light is your benchmark, maybe a 2nd body like an A7 would be a welcome addition to your equipment?
     
  25. Like
    Chrissie got a reaction from Thad E Ginathom in New Photographer (two weeks) - Feedback on these pictures?   
    Thad, thanks for the praise which I feel is undeserved. Because, as a photographer, my experience is still very much limited. What I'm mostly talking about is "applied physics", or "common sense", with the "common-ness" may be a little biased with me being an engineer by education and profession.
    That said:
    What I DO like about the second shot is:
    it has a lot of "depth" in it, with the near range being very present at the left side of the picture.. That's definitely a Plus, imo.
    The picture does include the nearest range being out-of focus (for obvious reasons), also the near range, the mid-range and also the far range, again out of focus for the same obvious reasons.
    Again, I'm unable to detect which plane (distance) was supposed to be in-focus. I realize. that posting images here requires compromise in terms of size. But this 2nd picture still lacks focus overall, imho. What's really strange is, that I couldn't even advise to  focus more to the near or to the far range. I've highlighted the area which seems to be most "in-focus" to me.

    Hello guest! Please register or sign in to view the hidden content. So, to be frank, this seems to be a "point-and-shoot" type of shot to me. Nothing deliberate, where someone wanted to convey a specific message.
    Sorry I can't comment more favorably on this.
     
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