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Thread: comments and advise on taking pix of fishes

  1. #1
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    comments and advise on taking pix of fishes

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    been shooting some B maculatus and discovered my focusing isn't on the whole fish... is there a way to take a clear shot? also I noticed, it always happen on smaller fishes [] or it is just me

    see the examples below.. here are some info Tv 1/40-1/50, Av 5.6, ISO 800

    please refer to my imagestation folder for full picture...














  2. #2
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    [] Maybe u should try Iso 200 or 400 flim instead. Might be the shuttle speed too fast but I am not expert in cameras. Those people skilled in cameras and negative would be able to offer more sound advice.

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    ----------------
    On 11/20/2003 12:31:35 AM

    [] Maybe u should try Iso 200 or 400 flim instead. Might be the shuttle speed too fast but I am not expert in cameras. Those people skilled in cameras and negative would be able to offer more sound advice.
    ----------------


    ISO 200 is a big no no in this instance. Lower the ISO, you have to open the shutter to compensate. ISO describes how sensitive the film is to light. A slow shutter doesn't help in this case, I believe.

    Perhaps, simon should try spot metering on the camera. It may help

    Benny or Choy may like to make some comments on this.
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    if you're saying you're not getting enough depth of field, then you need to decrease aperture/stop down.
    try f5.6 f8 or even f11. (that means more flash or higher iso)

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    i think I need a tripod... shakey hands doesn't do too well in macro

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    I do two things:
    lazy way: a chair with rollers + arm rests. use TV at 1/100 or 1/120 for that.

    tripod with ballhead. (the model I have) is fairly cheap and effective.

    --
    I've tried TC2x with the 100mm macro.. camera shake becomes very noticable. but I got some decent 2:1 size shots of cory eyeballs etc.. heh.

    busy with the photoshopping..

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    for a moving subject, a tripod may not work.
    not that easy to manipulate a camera mounted on a tripod, unless you have a ball head.
    you can try a monopod.
    thomas liew

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    chris, hahahaa.. we have similar lazy method :P.. mabe taking shots of maculatus is a challenge.. they never seem to stop

    thomas, I go back and try

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    there are three reasons why you might not get a sharp picture over the whole fish:
    • DOF (Depth of Field) - you a need a deeper DOF so that more of the fish is within the focused zone. As someone already explained you should go for the highest possible apperture number f/16 or f/32 even (meaning the apperture is the smallest) which also mean a better chance of catching your fish within the zone.
    • Shutter speed - unfortunately a high apperture means you get less light through to the CCD/film. Using high ISO is not ideal as it simply introduces noise. This means your shutter speed must slow down (FOR A GIVEN AMOUNT OF AVAILABLE LIGHT). When you do this at anything below 1/100 you risk blurring from shaky hands, to fidgety fish and even bubbles streaming by! So you need to raise your shutter speed and the only way to do this is LET THERE BE LIGHT (now you know why Benny has 3 × SpeedLite 550EX?)
    • Orientation - whether the fish is parallel to your focusing plane, fish are very uncooperative subjects and and macro distances their protruding fins and writhing bodies can cause havoc with focusing. The only way is to shoot more and by increasing the DOF.

    So the bottom line is GET MORE EXTERNAL FLASHES!
    why I don't do garden hybrids and aquarium strains: natural species is a history of Nature, while hybrids are just the whims of Man.
    hexazona · crumenatum · Galleria Botanica

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    simon, can't see enough details even in imagestation, do you have the unreduced ones? I can only notice some OOF around the snout for pic 1.
    why I don't do garden hybrids and aquarium strains: natural species is a history of Nature, while hybrids are just the whims of Man.
    hexazona · crumenatum · Galleria Botanica

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    they are at home.. upload later

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    boraras are slow.

    wait till you try DANIO's.

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    ----------------
    On 11/20/2003 7:05:51 PM

    boraras are slow.

    wait till you try DANIO's.


    ----------------
    absolutely! I simply fire away and hopefully I can 2-3% hit rate. [:0]
    why I don't do garden hybrids and aquarium strains: natural species is a history of Nature, while hybrids are just the whims of Man.
    hexazona · crumenatum · Galleria Botanica

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    chris, maybe mine more active than yours []

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    try shooting very late at night, they're more lethargic then… [:]
    why I don't do garden hybrids and aquarium strains: natural species is a history of Nature, while hybrids are just the whims of Man.
    hexazona · crumenatum · Galleria Botanica

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    i usually start firing around 11pm... 1/2hour before lights off

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    keep your lights on, and CO2 running (maybe helps to make them drowsy?) 0100 onwards is a good time!
    why I don't do garden hybrids and aquarium strains: natural species is a history of Nature, while hybrids are just the whims of Man.
    hexazona · crumenatum · Galleria Botanica

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    best method: transmore the whole tank.. haha

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    -.- there is something new to learn here every time I come in..: P...and always corrected by someone *glub*

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    err… what is "transmore"?
    why I don't do garden hybrids and aquarium strains: natural species is a history of Nature, while hybrids are just the whims of Man.
    hexazona · crumenatum · Galleria Botanica

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