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02-11-2010, 11:46 AM | #1 |
Donating YT 12K Club Member Join Date: Jan 2006 Location: Council Bluffs Iowa
Posts: 12,552
| What do all thos letters mean Tamron AF 18-270mm f/3.5-6.3 Di II VC LD Aspherical IF Macro Zoom Lens for Canon DSLR Cameras Tamron AF 18-200mm f/3.5-6.3 XR Di II LD Aspherical (IF) Macro Zoom Lens for Canon Digital SLR Cameras Can anyone tell me what all that means? |
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02-11-2010, 12:19 PM | #2 |
Donating YT 1000 Club Member Join Date: Sep 2008 Location: With my yorkies
Posts: 10,350
| I was just doing more reading on camera features when I saw your post. I know what two of the letter abbreviations mean: VC = Vibration Control IF = Internal Focus (this means the lens has the autofocus motor built in) I'm still reading, so I'll see if I can find any of the others. Oh, & I think LD = Low Dispersion (referring to contrast & resolution performance). "Aspherical lens elements provide for higher resolution, high-contrast images while minimizing chromatic aberration, astigmatism and other forms of distortion."
__________________ He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours, faithful and true, to the last beat of his heart. You owe it to him to be worthy of such devotion. -- Author Unknown Last edited by BonBon; 02-11-2010 at 12:23 PM. |
02-11-2010, 12:25 PM | #3 |
Donating YT 1000 Club Member Join Date: Sep 2008 Location: With my yorkies
Posts: 10,350
| Actually, the IF means that the built in auto focus motor "allows the lens to focus without changing its external size, improving balance and handling characteristics."
__________________ He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours, faithful and true, to the last beat of his heart. You owe it to him to be worthy of such devotion. -- Author Unknown |
02-11-2010, 02:32 PM | #4 |
Donating YT 12K Club Member Join Date: Jan 2006 Location: Council Bluffs Iowa
Posts: 12,552
| Thank you. |
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