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  #1  
Old 18th July 2012
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Wood pigeon

Hi,

A sample demonstrating what the Skywatcher 600mm is capable of delivering, provided you mitigate the shake and get focus right.

The picture was taken in overcast light but almost calm wind conditions. I have calibrated the camera IS to 600mm focal length (a detail I had missed previously, IS was working with default 50 mm value) and that seemed to help get the best out of the setup.

ISO 800, 1/400s

Full frame resized to comply to gallery limitations:

1024x768 detail, rendered 1:1

Thanks for looking
Tord
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  #2  
Old 19th July 2012
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Re: Wood pigeon

Whoa! That's personal. Very impressive...
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  #3  
Old 19th July 2012
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Re: Wood pigeon

Really nice. I keep looking at it.
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  #4  
Old 19th July 2012
richardlongley
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Re: Wood pigeon

Very good Tord

Making me think my 1200mm reflecting scope is not going to cut it.

Here is my pic of the same species:



I think your detail is better.

Light conditions were quite good, and due to the size of my scope wind isnt much of a factor. I'll take the orignal and crop to compare.
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Old 19th July 2012
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Re: Wood pigeon

clearly not the same sharpness, contrast and detail

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Old 19th July 2012
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Re: Wood pigeon

super shots is that a little bug under the neck feathers?
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Old 20th July 2012
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Re: Wood pigeon

Quote:
Originally Posted by Tordan58 View Post
Hi,

A sample demonstrating what the Skywatcher 600mm is capable of delivering, provided you mitigate the shake and get focus right.

The picture was taken in overcast light but almost calm wind conditions. I have calibrated the camera IS to 600mm focal length (a detail I had missed previously, IS was working with default 50 mm value) and that seemed to help get the best out of the setup.
Tord,
That is really interesting, and a very good result! Where did you change the image stabilisation calibration? I should increase mine too, to 300. It's only when I do telephoto that I need IS anyway!
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Old 20th July 2012
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Re: Wood pigeon

That is very good detail Tord.


Quote:
Originally Posted by richardlongley View Post
Very good Tord

I think your detail is better.

Light conditions were quite good, and due to the size of my scope wind isnt much of a factor. I'll take the orignal and crop to compare.
Richard looking at the pebble dash effect in your image I would say you have not mastered the intricacy of LR4's detail module especially as your shot was only ISO 320 compared to Tord's ISO 800.
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Old 20th July 2012
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Re: Wood pigeon

Quote:
Originally Posted by Cathrine Spikkerud View Post
Tord,
That is really interesting, and a very good result! Where did you change the image stabilisation calibration? I should increase mine too, to 300. It's only when I do telephoto that I need IS anyway!
Hi Cathrine,

If you use 4/3 AF lenses then the camera will obtain the lens FL information from the lens to automatically calibrate the IS.

If you use non-4/3 lenses e.g. OM, or, in my case I telescope, then the IS system will use a default FL value of 50 mm. To change the value:
  1. Open the IS menu. On the bottom of the display is a text saying Focal Lengts: XYZ mm.
  2. Press +/- to change
  3. Use the arrow buttons U/D to navigate through the possible values. The range is from 8mm to 1000mm

/Tord

Side note: The M42 adapter I use to attach the scope has Nikon mount and is connected to the body using a M42-4/3 adapter, in which I added a programmable AF confirm chip. I did set the lens FL and speed to 600mm F/7.5 and that value is saved in the EXIF. I was expecting the IS system to use that 600mm value but I noticed the other day that the IS menu still was showing 50mm, hence I guess that you need to program this in the camera, as described above.
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Old 20th July 2012
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Re: Wood pigeon

Quote:
Originally Posted by richardlongley View Post
Very good Tord

Making me think my 1200mm reflecting scope is not going to cut it.

Here is my pic of the same species:


I think your detail is better.

Light conditions were quite good, and due to the size of my scope wind isnt much of a factor. I'll take the orignal and crop to compare.
Richard

I believe yours is actually quite good, sharpness and contrast. There however seems to be some noise in the picture, strange since you used 320 ISO. Did you shoot in RAW? Can you share the RAW file, for me to have a look? You can email tord.andreasson <at> gmail.com
/Tord
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Old 20th July 2012
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Re: Wood pigeon

Quote:
Originally Posted by Wee man View Post
super shots is that a little bug under the neck feathers?
You have sharp sight indeed. I checked and it appears to be a worn-out feather that has is broken and has lost its pigmentation.
/Tord
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Old 20th July 2012
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Thanks for checking very sharp indeed
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  #13  
Old 20th July 2012
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Re: Wood pigeon

I did have a RAW, but do not think I kept it.

I can send the JPeg that resulted from it. Dont know if that helps
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Old 20th July 2012
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Re: Wood pigeon

Quote:
Originally Posted by richardlongley View Post
I did have a RAW, but do not think I kept it.

I can send the JPeg that resulted from it. Dont know if that helps
Richard!
One never throws away RAWs!

Are you sure? Both Lightroom and Photoshot store changes in other files and not in the RAW, are you sure it's deleted?
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Old 20th July 2012
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Re: Wood pigeon

Me want a Skywatcher 600!

Am I too old to go to Dad and scream until I get one???
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