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http://indianaquariumhobbyist.com/community/ :: View topic - Camera phones and P&S
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Camera phones and P&S
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rasikanayak
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PostPosted: Sat Apr 02, 2011 11:14 am Post subject: Re: Camera phones and P&S Reply with quote

 Saurabh,
 
 Beautiful  picture  of  the  moon.  Real  great  details  in  the  first  picture  for  a  P&S   Clapping  
 
 Regards,
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saurabh_m
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PostPosted: Sat Apr 02, 2011 12:48 pm Post subject: Re: Camera phones and P&S Reply with quote

 Thanks  Nayak,
 This  was  the  best  shot  of  many  shots  attempted  of  moon  on  the  Holi  eve.
 And  thanks  for  shifting  the  posts.
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rasikanayak
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PostPosted: Thu Apr 07, 2011 2:09 pm Post subject: Re: Camera phones and P&S Reply with quote

 Hi  Saurabh,
 
 I  think  you  have  to  thank  a  anonymous  mod  or  admin  who  shifted  your  thread.  I  only  loaded  your  moon  pics  into  Picasa  Smile  
 
 To  continue  the  P&S  journey....
 
 Now  to  take  pics  of  fast  fishes.  I  do  not  know  about  you.  But  when  set  on  low  shutter  speed,  I  have  taken  tons  of  pics  of  blurred  pics  or  the  most  humiliating  situation  of  them  all....empty  canvas  with  no  subject.  The  fish  had  scooted  away.
 
 To  avoid  this  as  well  as  take  group  pics  of  fishes  and  their  interaction  we  need  Shutter  speed  priority  or  sports  or  pet  modes  in  our  camera.
 
 Examples:
 
 In  slow  shutter  speed.
 
 Camera-Sony   DSC   H-5     
 Date:   04-April-2011     
 Flash:  Used   EV:   0.0  
 Focal   length-   6.0mm     
 Exposure:   1/13(0.0769)Sec
 F   number:   f/2.8     
 White   balance-   Auto     
 Metering   mode:   Center   weight  
 Exposure   program:   Aperture  Priority        
 ISO:   100
 
 In  fast  Shutter  speed
 
 Camera-Sony   DSC   H-5     
 Date:   04-April-2011     
 Flash:  Used   EV:   0.0  
 Focal   length-   6.0mm     
 Exposure:   1/1000(0.001)Sec
 F   number:   f/2.8     
 White   balance-   Auto     
 Metering   mode:   Center   weight  
 Exposure   program:   Shutter  Priority        
 ISO:   100
 
 See  the  difference?
 Here  is  another  example...
 Pic1  in  slow  Shutter  speed
 
 Camera-Sony   DSC   H-5     
 Date:   04-April-2011     
 Flash:  Not  Used   EV:   0.0  
 Focal   length-   7.7mm     
 Exposure:   1/5(0.2)Sec
 F   number:   f/3.2     
 White   balance-   Auto     
 Metering   mode:   Center   weight  
 Exposure   program:   Aperture  Priority        
 ISO:   100
 
 Pic2  in  high  Shutter  speed
 
 Camera-Sony   DSC   H-5     
 Date:   04-April-2011     
 Flash:  Used   EV:   0.0  
 Focal   length-   14.2mm     
 Exposure:   1/400(0.0025)Sec
 F   number:   f/4.0     
 White   balance-   Auto     
 Metering   mode:   Center   weight  
 Exposure   program:   Shutter  Priority        
 ISO:   100
 
 Which  when  cropped...
 Pic1:
 
 Pic2:
 
 
 Regards,
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jerin111111
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PostPosted: Sat Apr 09, 2011 1:12 am Post subject: Re: Camera phones and P&S Reply with quote

 good  initiative  bro...........
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Shankar
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PostPosted: Sun Apr 10, 2011 1:51 am Post subject: Re: Camera phones and P&S Reply with quote

 Wild  Aponogeton  flower
 
 
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Arnab
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PostPosted: Mon Apr 11, 2011 11:05 pm Post subject: Re: Camera phones and P&S Reply with quote

 Nayak.
 
 The  bubbles  were  great  for  demonstrating  effects  for  various  shutter  speeds.  
 
 The  fish  picture  is  not  fair  as  the  fish  was  stationary  and  the  light  conditions  were  also  different  (Ambient  Vs  Flash).  The  flash  picture  has  good  detail  for  the  head  of  the  fish.
 
 An  update  from  my  end.  I  have  made  a  new  tank  top  and  light  is  now  72  W.  This  has  given  me  a  great  advantage.  I  think  I  have  gained  close  to  two  stops  although  still  not  good  enough  for  fast  fish.  Two  examples:
 
 
 ExposureTime  -  1/40  seconds
 FNumber  -  3.20
 Flash  mode  -  Not  fired
 ISO  Value  -  80
 
 
 ExposureTime  -  1/20  seconds
 FNumber  -  3.5
 Flash  mode  -  Not  fired
 ISO  Value  -  80
 
 I  think  it  might  be  a  good  idea  to  have  additional  lights  in  the  hood  meant  for  taking  photographs  only.  I  am  thinking  of  a  bank  of  LEDs.  Does  anyone  have  any  experience  with  these?
 
 Warm  regards.
 Arnab.
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rasikanayak
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PostPosted: Tue Apr 12, 2011 10:14 am Post subject: Re: Camera phones and P&S Reply with quote

                                                   
jerin111111  wrote  (View  Post):                
good  initiative  bro...........                

 Thanks  Smile  
 
 
                                                 
Shankar  wrote  (View  Post):                

 Wild  Aponogeton  flower
 
 
                 

 Beauty,  Shankar.
 
 
                                                 
Arnab  wrote  (View  Post):                

 Nayak.
 
 The  bubbles  were  great  for  demonstrating  effects  for  various  shutter  speeds.  
 
 The  fish  picture  is  not  fair  as  the  fish  was  stationary  and  the  light  conditions  were  also  different  (Ambient  Vs  Flash).  The  flash  picture  has  good  detail  for  the  head  of  the  fish.
 An  update  from  my  end.  I  have  made  a  new  tank  top  and  light  is  now  72  W.  This  has  given  me  a  great  advantage.  I  think  I  have  gained  close  to  two  stops  although  still  not  good  enough  for  fast  fish.  Two  examples:
 
 
 ExposureTime  -  1/40  seconds
 FNumber  -  3.20
 Flash  mode  -  Not  fired
 ISO  Value  -  80
 
 
 ExposureTime  -  1/20  seconds
 FNumber  -  3.5
 Flash  mode  -  Not  fired
 ISO  Value  -  80
 
 I  think  it  might  be  a  good  idea  to  have  additional  lights  in  the  hood  meant  for  taking  photographs  only.  I  am  thinking  of  a  bank  of  LEDs.  Does  anyone  have  any  experience  with  these?
 
 Warm  regards.
 Arnab.
                 

 First  of  all,  beautiful  pictures  of  Dario  dario.  My  favorite  fish  Very Happy  
 
 I  agree  on  the  fish  picture  not  being  fair.  That  was  the  point  I  was  trying  to  make  by  highlighting  flash  used  and  not  used  Chuckle  
 Also  Betadevario  ramachandrani  is  never  really  stationary.  It  continuously  has  jerky  movements,  might  be  because  of  its  swim  bladder  not  being  perfect  as  a  species.  Hence  the  distortion  in  a  a  Aperture  priority  and  sharpness  in  Shutter  priority.
 
 In  Auto,  Semi  auto,  Aperture  priority,  ISO  modes  we  can  take  picture  without  flash.  The  negative  point  being  if  taking  a  picture  of  a  fast  moving  object  these  modes  fail.
 We  have  to  use  shutter  priority  or  sports  or  action  or  pets.  But  here  the  light  and  in  other  words  flash  assumes  a  important  role.   And  in  some  P&S  the  flash  cannot  be  disabled  when  using  this  mode.
 
 So  when  left  with  no  options  but  to  use  flash,  we  can  use  the  following  techniques.  Some  of  them  have  already  been  mentioned  earlier.
 
 1)  Stand  very  near  to  the  front  glass  of  the  aquarium  and  crop  the  flash  during  PP.
 2)  Attach  a  strip  of  semi  transparent  paper  to  the  flash  to  get  the  right  intensity.  You  might  have  to  do  some  iterations  here.
 3)  Darken  the  flash  with  a  Opaque  strip  and  use  a  flash  light  as  an  alternate  source(Thanks  Arnab)
 4)  You  will  have  to  do  a  bit  of  Calisthenics  to  get  the  right  distance,  angle  and  intensity  and  take  multiple  pictures  to  get  the  acceptable  one  picture  Smile  
 5)  In  some  high  end  P&S  you  can  vary  the  intensity  of  flash  and  control  EV.
 
 A  few  examples....
 Group  Images
 
 
 Fast  feeding  images
 
 
 Getting  ready  to  scoot  images
 
 
 Predatory  images
 
 
 Flash-less  images  in  sunlight  Very Happy  
 
 
 Very  sharp  details
 
 
 Super  fast  fishes
 
 
 Encounter  images  Chuckle  
 
 
 Curious  images  with  mouth  wide  open!
 
 
 Regards,
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Marc
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PostPosted: Tue Apr 12, 2011 10:19 pm Post subject: Re: Camera phones and P&S Reply with quote

 Hey  Nayak,  
 
 An  elementary  question  maybe.........but  how  do  you  get  the  focus  on  a  fast  moving  fish.  The  green  square  in  the  middle  always  ends  up  focussing  something  else.  The  pic  below  is  an  example  where  the  driftwood  gets  focussed  and  not  the  fish.  
 
 Even  if  I  do  manage  a  focussed  shot  of  a  fast  fish  it  is  more  of  a  lucky  shot  than  a  planned  one.  I  wanna  know  the  method  to  get  a  focussed  shot  on  a  fast  fish....
 
 
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Shankar
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PostPosted: Tue Apr 12, 2011 10:47 pm Post subject: Re: Camera phones and P&S Reply with quote

 Marc,  that's  not  a  gelius  above,  right?  Wink
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Marc
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PostPosted: Tue Apr 12, 2011 11:53 pm Post subject: Re: Camera phones and P&S Reply with quote

 Thats  a  'Geli  pungti'  from  Chembarampakkam.  May  be  different  from  the  Puntius  gelius  from  Bengal.  To  confirm  if  its  'really'  different  I  need  more  samples  from  different  geographic  localities........till  then  it  is  'Geli  pungti'  only   Wink
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PostPosted: Thu Apr 14, 2011 10:34 am Post subject: Re: Camera phones and P&S Reply with quote

 Getting  snaps  of  fast  moving  fishes  is  a  hard  job.  I  have  taken  more  the  100snaps  and  still  dont  have  a  decent  snap  (i.e  for  single  fish).
 
 Nayak/anyone,  have  you  experimented  with  ISO  at  higher  shutter  speeds?  I  have  had  fair  bit  of  success  with  higher  ISO  on  non  fishy  pictures,  but  it  has  been  useless  for  fast  moving  objects.
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PostPosted: Fri Apr 15, 2011 9:45 am Post subject: Re: Camera phones and P&S Reply with quote

                                                   
Marc  wrote  (View  Post):                
Hey  Nayak,  
 
 An  elementary  question  maybe.........but  how  do  you  get  the  focus  on  a  fast  moving  fish.  The  green  square  in  the  middle  always  ends  up  focussing  something  else.  The  pic  below  is  an  example  where  the  driftwood  gets  focussed  and  not  the  fish.  
 
 Even  if  I  do  manage  a  focused  shot  of  a  fast  fish  it  is  more  of  a  lucky  shot  than  a  planned  one.  I  wanna  know  the  method  to  get  a  focussed  shot  on  a  fast  fish....                

 Marc,  sorry  for  the  late  reply.  I  missed  your  post  Sad  
 
 We  have  to  accept  the  basic  unavoidable  fact.......
 When  shooting  a  moving  object  the  ratio  of  discard  to  keep  is  going  to  be  very  very  high!
 
 Two  methods  to  slightly  alter  the  balance  in  your  favour.
 
 Camera:
 1)Select  Shutter  speed  priority(Or  Sports  or  action  or  pets  etc  etc)
 2)Metering  mode:  In  the  menu  on  high  end  P&S  there  is  the  metering  mode.  Usually  by  default  it  is  set  in  Center  weight.  Try  setting  it  in  spot  metering  if  you  are  using  the  Manual  programme  mode.
 3)Auto  Focus:  In  the  auto  focus  of  advanced  P&S  there  will  be  Single,  monitor  and  continuous.  Select  continuous.  This  will  make  the  camera  to  continuously  keep  focusing  on  the  moving  object  till  the  shutter  lag  is  compensated.
 
 Individual  effort:
 1)  Get  the  fishes  to  accept  you  with  that  hideous  black  object.  This  can  be  done  by  frequently  photographing  your  fish  and  they  come  to  accept  that  your  idiosyncrasy  is  harmless.
 2)   Never  rush  into  photographing  your  fishes  with  a  time  dead  line.  It  never  works.
 3)  Never  try  photographing  your  fishes  during  feeding  time.  In  fact  as  soon  as  I  enter  my  fishroom  the  fishes  go  into  a  frenzy  thinking  I  am  going  to  feed  them.  I  simply  pull  the  chair  and  sit  motionless.  After  about  15-30  mins,  seeing  as  nothing  is  forth  coming  from  my  side  the  fishes  settle  down  to  their  business  of  whatever  they  do.  This  is  the  best  time  to  shoot!
 
 contd......
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sandeepraghuvanshi
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PostPosted: Fri Apr 15, 2011 10:37 am Post subject: Re: Camera phones and P&S Reply with quote

 Nice  thread  rasik.
 I  have  made  this  thread  a  sticky,  it  is  too  good  to  be  lost  in  a  maze  of  threads.
 I  used  to  think  myself  as  a  good  photographer  before  I  took  up  aquarium  as  a  hobby.  Very Happy  
 It  is  only  when  you  start  photographing  aquariums  and  wild  life,  then  you  realise  how  difficult  is  to  get  decent  pictures  of  your  fish  &  aquarium.
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Marc
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PostPosted: Fri Apr 15, 2011 11:26 am Post subject: Re: Camera phones and P&S Reply with quote

 Really  good  thread,  deserves  to  go  sticky   Thumb Up  
 
 Nayak,  Thanks  for  the  input,  will  try  it  out  and  post  the  output  Very Happy
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sandeepraghuvanshi
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PostPosted: Fri Apr 15, 2011 12:29 pm Post subject: Re: Camera phones and P&S Reply with quote

 One  of  my  humble  efforts.
 Background  was  removed  with  photoshop,  not  a  very  good  job,  need  to  learn  some  easier  way  to  do  so.
 
 
 Camera     :  Canon  Powershot  A  460
 Shutter      :  1/60
 AV                 :  2.8
 ISO  Speed:  200
 Flash            :  On
 Mode            :  Most  proabably  auto,  can't  remember,  not  present  in  shooting  information
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