Frequency dependent aperture?
Posted 25/09/2010 - 01:13
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Sounds like a nice lens!
Its apparently shock-proof too with unlimited life span!
If I keep reading, I bet I'll find it'll wash my socks and clean up the backyard after putting out the Rottweilers.
Its apparently shock-proof too with unlimited life span!
If I keep reading, I bet I'll find it'll wash my socks and clean up the backyard after putting out the Rottweilers.
Posted 25/09/2010 - 01:52
Link
it is the only way to ensure the deflector dish doesn't disintegrate when you reverse the polarity on the dialithuim crystals and maintain SR.
geez even a drunken Scotty knows that much.....
"She can't take much more of this Captain!"
geez even a drunken Scotty knows that much.....
"She can't take much more of this Captain!"
Fired many shots. Didn't kill anything.
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7671 posts
16 years
Smegland
I just came across this advert for a Pentax DA* 16-50
http://www.microglobe.co.uk/catalog/product_info.php?pName=pentax-1650mm-f28-smc...
it says:
Equally balanced brighter images are produced in bright as well as low lighting conditions as the aperture is designed to increase or decrease its size depending upon the frequency of light.
Lenses: Pentax DA 10-17mm ED(IF) Fish Eye, Pentax DA 14mm f/2.8, Sigma 17-70mm f/2.8, Pentax-A 28mm f/2.8, Sigma 30mm F1.4 EX DC, Pentax-A 50mm f/1.2, Pentax-A 50mm f/1.4, Pentax-FA 50mm f/1.4, Pentax-A 50mm f/1.7, Pentax DA* 50-135mm f/2.8, Sigma 135-400mm APO DG, and more ..
Flash: AF-540FGZ, Vivitar 283