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  Tree Ferns | Cabbage Trees | Ginkgo biloba | How old is a tree? | More to come...  
   

Since I returned from Australia in February 2006, I have had some free time and re-visited some familiar places during the cold winter in Auckland. I captured different images of the city and some trees including some native trees. My palm-sized digital camera with Zeiss lens works amazingly well to produce sharp photos including some close-ups of biological objects! Then I fished out my old binocular microscope from a box covered by thick dust from somewhere in my study. To my greatest surprise I was able to take some digital photomicrographs of the sori (groups of sporangia) on the underside of a specimen Siver fern frond (fern leaf) I collected from the field. The technique is simply to place my digital camera over the eyepiece of the microscope. Both devices have roughly the same calibre. With my improvised set-up, I will be able to take more photomicrographs of other minute biological structures to a magnification of about x20. I am looking forward to exploring more places of biological interest soon.

 

   
 
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  Tree Ferns      
     

Cyathea dealbata (Ponga or Silver fern) is one of the seven species of the family Cyathaceae in New Zealand.

 

     
     
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  Cabbage Tree
(Ti kouka)
     
     
The Cabbage tree Cordyline australis is a common native tree
in New Zealand
     
     
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