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NEW ZEALAND NATIVE ORCHIDS

IMAGES AND INSTRUCTIONS

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The Journal of the New Zealand Native Orchid Group has published a number of spectacular 3D images taken by one member, Eric Scanlen. You are invited to view these, and perhaps you may like to know more about the NZ native orchids through the NZ Native Orchid Group.


3D or stereoscopic images utilise 2 slightly different images which, when combined, produce a three dimensional view. In the past special stereo viewers were required, but now a technique called '
freeviewing' enables the three dimensional images to be viewed with only a little practice.


The NZNOG notes "when the left and right eyes focus on the left and right pictures, now 3D picture springs out. A viewer with two magnifying glasses makes it easy, but with a little practice free viewing becomes second nature"


Recently the excellent American publication
The Orchid Digest has also published similar pictures. Their use of 2 white dots to assist focussing the eyes makes the process easier. Adapting their instruction to view on a computer monitor -

"Freeviewing' " is a technique for seeing a 3-D image from a pair of pictures without the aid of special glasses of other apparatus. View the pair of pictures about one foot (300 mm) in front of your eyes, with the image parallel to your face. Try to avoid reflections etc. on the monitor. Relax your eyes until the two images overlap and merge into the one, a third image, in the center. You should now see three images, the original two on the outside and a new one between them. Without straining, let the image in the centre come into focus. You should now be seeing that image in three dimensions. With practice this becomes very easy to do, but take your time. Give your eyes time to adjust their focus as this is often not achieved immadiately.

Example of 3-D image with viewing dots


An alternative technique is to look at the two white dots above the two images. Relax your eyes until the two dots in the centre merge. Now, keeping your eyes in the same orientation, lower your gaze to where the two photo images have merged to form a third picture between the displayed images. Look at this third central image and allow it to come into focus. You should now be seeing a 3-D image. I have found this technique utilizing the dots excellent to start. After some practice you do not need to use them, as you can usually focus on the images direct, but it is an excellent way to learn the techneque.


Now practice on the following images !! I suggest you start with
Thelymitra matthewsii

If you enjoy these images the NZNOG publishes new images regularly in thier Journal, and the Orchid Digest has also started including suitable images in its magazine.

New Zealand Native Orchid Group


NZNOG 3-D images by Eric Scanlen are :-

Bulbophyllum pygmaeum NZNOJ # 67 July 1998
Pterostylis tasmanica NZNOJ # 69 December 1998
Corybas rotundifolius NZNOJ # 68 September 1998
Thelymitra matthewsii NZNOJ # 77 December 2000
Corybas oblongus NZNOJ # 79 June 2001


NZ Native Orchid Group information and publications
NZ Native Orchid Group website



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