Monday, September 29, 2008
HOW LENSES ARE MADE!
Since some students have been picking on my brain regarding telephoto lenses and lenses in general, I decided to post this video...it's awesome!
joey
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Since some students have been picking on my brain regarding telephoto lenses and lenses in general, I decided to post this video...it's awesome!
joey
Since some students have been picking on my brain regarding telephoto lenses and lenses in general, I decided to post this video...it's awesome!
joey
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What is a joey?
According to Wikipedia:
A joey is any infant marsupial(baby kangaroo).
Marsupials have an extremely short gestation period (about 4-5 weeks), and the joey is 'born' basically in a fetal state. The blind, furless, miniature newborn, the size of a jelly bean, crawls across its mother's fur to make its way into the pouch, where it latches onto a teat for food. It will not re-emerge for several months, during which time it develops fully. After this period, the joey begins to spend increasing lengths of time out of the pouch, grazing and learning survival skills. However, it returns to the pouch to sleep, and if danger threatens it will seek refuge in its mother's pouch for safety.
Joey's stay in the pouch for up to a year in some species, or until the next joey is born. A marsupial joey is unable to regulate its own body temperature, and thus relies upon an external heat source. Until the joey is well furred and old enough to leave the pouch, a pouch temperature between 30-32 degrees in Celsius must be constantly maintained.
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2008
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September
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- More Zoo
- Going from lines to texture...
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- Congratulations Tom and Sara
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- He Scores!
- A new beginning!
- The short cottage trip!
- Going back into the past!
- Jenna is all smiles and tongue!
- T.O. on hold for now...
- A baby kangaroo!
- Opening the vault...
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September
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- "take everything I have ever done with my photography and apply it to children..."
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1 comment:
Great video!!
That amazing the amount of work that goes into a lens. I think most people who use them don't even realise that.
I have a new appreciation for even my "kit" lens's
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