Canreef Aquatics Bulletin Board  

Go Back   Canreef Aquatics Bulletin Board > General > Photography

Reply
 
Thread Tools Display Modes
  #21  
Old 11-05-2011, 02:42 PM
sphelps's Avatar
sphelps sphelps is offline
Member
 
Join Date: May 2006
Location: Lyalta, East of Calgary
Posts: 4,777
sphelps is on a distinguished road
Default

Strange your exif data says powershot, hmm. Anyways that's a way better camera so it'll be much easier to setup manual focus, probably just a switch next to the lens and you just turn the focus ring on the lens.
Reply With Quote
  #22  
Old 11-05-2011, 04:14 PM
Blom's Avatar
Blom Blom is offline
Member
 
Join Date: Apr 2009
Location: Cochrane AB
Posts: 360
Blom is on a distinguished road
Default

Do the extension tubes make that much of a difference. I was looking into a macro lens but had an employee from Mcbain tell me that I could achieve similar effects with a tube.

Sorry for the thread hijack
__________________
Tyson Bloom

28G JBJ Cube Last Tank

Seriously shopping around for a new tank
Reply With Quote
  #23  
Old 11-05-2011, 04:22 PM
sphelps's Avatar
sphelps sphelps is offline
Member
 
Join Date: May 2006
Location: Lyalta, East of Calgary
Posts: 4,777
sphelps is on a distinguished road
Default

Quote:
Originally Posted by Blom View Post
Do the extension tubes make that much of a difference. I was looking into a macro lens but had an employee from Mcbain tell me that I could achieve similar effects with a tube.

Sorry for the thread hijack
Tubes just decrease your min focus distance so they will add magnification but only if you can get closer to the subject. You also should still use a prime lens for good results. Personally don't think an extension tube can replace a macro lens.
Reply With Quote
  #24  
Old 11-05-2011, 04:27 PM
Blom's Avatar
Blom Blom is offline
Member
 
Join Date: Apr 2009
Location: Cochrane AB
Posts: 360
Blom is on a distinguished road
Default

Quote:
Originally Posted by sphelps View Post
Tubes just decrease your min focus distance so they will add magnification but only if you can get closer to the subject. You also should still use a prime lens for good results. Personally don't think an extension tube can replace a macro lens.
Perfect thanks for the info
__________________
Tyson Bloom

28G JBJ Cube Last Tank

Seriously shopping around for a new tank
Reply With Quote
  #25  
Old 11-06-2011, 05:56 PM
phyto4life's Avatar
phyto4life phyto4life is offline
Member
 
Join Date: Oct 2009
Location: windsor,ontario
Posts: 162
phyto4life is on a distinguished road
Default

Quote:
Originally Posted by sphelps View Post
Strange your exif data says powershot, hmm. Anyways that's a way better camera so it'll be much easier to setup manual focus, probably just a switch next to the lens and you just turn the focus ring on the lens.
I do own that camera and upload images on this computer, it could of been a mix up. How do you find the exif?

Is there away to have the raw photo show up on this forum?free?

Right now I am using the free photo bucket and convert the raw to jpeg.


Custom white balance: I went to the dollar store and brought a piece of white computer paper with me to match up against a plastic bowl, will this work if I were to put it in the aquarium set custom white balance?









3rd pic kind of turned out.

whats that white circle in the middle? dirty lens or sensor?
__________________
Clintos:29G Cube 24"x24"x12"D,ATI 24" 6 x 24W powermodule,4 blue,2 x 10 000K ATI's, tap water,
1 mp 10, 1 nano hydor,mag 3 lift pump, approx 40lbs L.R,2" dsb,15G sump/refuge,
23watt refuge light,3" dsb,carbon reactor,filter sock,blastos,yumas,maxi mini carpet's,paly's,perc,algae blenny.

"Corals,corals,corals-they are as fascinating as candle lights."
PHYTO4LIFE

Last edited by phyto4life; 11-06-2011 at 06:20 PM.
Reply With Quote
  #26  
Old 11-06-2011, 07:23 PM
sphelps's Avatar
sphelps sphelps is offline
Member
 
Join Date: May 2006
Location: Lyalta, East of Calgary
Posts: 4,777
sphelps is on a distinguished road
Default

The only real difference between those four photos is that you got your focus point right on the third one, the other three just aren't in focus so you just need some practice with manual focus. I also noticed you changed your aperture to F22, which I don't think you needed to do, your DOF will probably be fine at F8 or so for those pics. While F22 will give you more DOF you also increase your shutter speed which can make it harder to get a sharp picture so until you master your focusing try and speed up your shots. Once you master that and feel you could use some more DOF then decrease your aperture (higher number).

Your WB is still off a bit, I would try using the sand or zoom into a grey piece of rock before resulting to other methods. This usually works for me just fine.

Also unless you have a program like photoshop that allows you to edit and process raw files don't shoot in raw. It's not helping. If you want email (83phelps@gmail.com) me your raw file for #3 and I can give you an idea what post processing can do for you. For now shoot in jpeg.

So keep up the good work, continue to practice shooting in manual focus and work on getting your subject perfectly focused. Also make sure your viewfinder is adjusted properly for your eye sight, sometimes this causes problems, see your manual for details. Also always be sure to position your lens perpendicular to the glass.
Reply With Quote
  #27  
Old 11-06-2011, 09:18 PM
sphelps's Avatar
sphelps sphelps is offline
Member
 
Join Date: May 2006
Location: Lyalta, East of Calgary
Posts: 4,777
sphelps is on a distinguished road
Default

Oh and that spot does look like it could be related to your sensor, probably needs cleaning.
Reply With Quote
  #28  
Old 11-29-2011, 06:00 PM
phyto4life's Avatar
phyto4life phyto4life is offline
Member
 
Join Date: Oct 2009
Location: windsor,ontario
Posts: 162
phyto4life is on a distinguished road
Default

I just moved. so in a few week's hopefully I'll be taking shots of my new tank.

thanks for the advice, i'm going to look into on how to clean my sensor and seting up custom whitebalance for my next shot, along with trying to focus better.
__________________
Clintos:29G Cube 24"x24"x12"D,ATI 24" 6 x 24W powermodule,4 blue,2 x 10 000K ATI's, tap water,
1 mp 10, 1 nano hydor,mag 3 lift pump, approx 40lbs L.R,2" dsb,15G sump/refuge,
23watt refuge light,3" dsb,carbon reactor,filter sock,blastos,yumas,maxi mini carpet's,paly's,perc,algae blenny.

"Corals,corals,corals-they are as fascinating as candle lights."
PHYTO4LIFE
Reply With Quote
  #29  
Old 11-29-2011, 06:12 PM
Lampshade's Avatar
Lampshade Lampshade is offline
Member
 
Join Date: Aug 2009
Location: Abbotsford
Posts: 629
Lampshade is on a distinguished road
Default

A probelem with the focus could be if you're using the camera's "beep" for focus, and that will be wrong when using tubes. At least it is on my camera. My camera defaults to infinity focus as soon as a lense is connected using an adapter.
__________________
My 150 In Wall Build
Reply With Quote
  #30  
Old 12-16-2011, 06:57 AM
phyto4life's Avatar
phyto4life phyto4life is offline
Member
 
Join Date: Oct 2009
Location: windsor,ontario
Posts: 162
phyto4life is on a distinguished road
Default

I brought my camera in and there is no problem with a dirty sensor but a permenent problem with the sensor. stuck or dead pixel's, so I played around with photoshop and it seems that I can get away with it by bluring the image and adding noise to a small area to make it look decent in photo shop.

not sure how this will effect the pic if I choose to develope it?


either way I will just use this camera to learn from before buying another if I do.

in the next few day's I will post some pic's.

finaly I am settled down in my new place to take pics


I got a free photoshop when I took my computer in to get cleaned, but now I am learning to use windows 7, firefox etc so things are a little different, just learning this. i'm switching from internet explorer,xp, oldschool.
__________________
Clintos:29G Cube 24"x24"x12"D,ATI 24" 6 x 24W powermodule,4 blue,2 x 10 000K ATI's, tap water,
1 mp 10, 1 nano hydor,mag 3 lift pump, approx 40lbs L.R,2" dsb,15G sump/refuge,
23watt refuge light,3" dsb,carbon reactor,filter sock,blastos,yumas,maxi mini carpet's,paly's,perc,algae blenny.

"Corals,corals,corals-they are as fascinating as candle lights."
PHYTO4LIFE

Last edited by phyto4life; 12-16-2011 at 07:02 AM.
Reply With Quote
Reply


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT. The time now is 12:04 AM.


Powered by vBulletin® Version 3.7.3
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.