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|Iris type||DC autoiris||Manual Iris||P-iris|
|IR cut filter||No||No||No|
|Focus/zoom limit indicator||No||No||No|
|Focal length||12mm - 50mm||12mm - 50mm||12mm - 50mm|
|F/#||F/1.8 to closed||F/1.8 to closed||F/1.8 to closed|
|Resolution||True 4K resolution, 12 megapixels||True 4K resolution, 12 megapixels||True 4K resolution, 12 megapixels|
|Mount type||CS-mount or D25 board mount||CS-mount or D25 board mount||CS-mount or D25 board mount|
Theia's SL1250 lens is designed to be very compact and better image performance compared to competitive products. Despite the long focal telephoto focal length, this lens is designed for small 4" dome cameras and bullet cameras.
Similar to Theia's other lenses, the SL1250 series is a high quality lens designed to allow the installer to take full advantage of the high resolution of 4K resolution, HD, and multi megapixel cameras. The lens can be used on cameras up to 12 megapixel resolution giving a crisp image from edge to edge.
The motorized version of the lens is the TL1250.
This filter mount can be added to the 410 series lenses to allow an external filter (such as band-pass or polarizing filter) to be added to the system. The filter mount works with lenses with 35mm front barrel diameter and is held in place with 3 sharp point set screws. It will accept filters with M55x0.75 threads. Filters are not provided by Theia Technologies.
Part FMT-3555: High performance aluminum filter mount for use with lenses:
Part KIT-9050 Thumbscrew replacement kit for:
The kit includes 2x M2x5 set screws, 2x M2x7 set screws, 1x M2x5 button head screw and Allen keys.