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1/3 Inch 3-9mm IR F1.2 Varifocal DC Iris CS Mount Lens W/IR Correction
Auto Iris feature will handle auto adjustment of the Iris by use of the 4-pin DC plug (included)
<span style="font-family:;" new="" verdana","sans-serif";="" "times="" roman";="" roman";"="">Compatible with the following cameras:
- User's Manual (Sep 22, 2011)
|Model Line||IR Varifocal Lens|
|Focal Length||3 - 9mm|
Unfortunately, the new cameras are IR sensitive and the old ones aren't. The result is that daylight scenes that were perfectly focused went completely out of focus at night.
I searched for IR lenses and stumbled on these. Based on their price, I was a little skeptical that they could be any good, but actually, they are, and solved my out-of-focus problem immediately.
They don't have a lot of zoom range, but they perfectly served my needs.
2 months ago
PROS: Price...although you get what you pay for.
CONS: Image Quality, lack of focus detail (plenty of light)