Pacific Security Systems, Inc. located in Walnut Creek, CA, provides high quality, user-friendly CCTV security systems and intercoms, including sale, installation, networking, repairs, maintenance and training. We serve San Francisco and the Bay Area, as well as Sacramento, Stockton, and San Jose areas. Among our satisfied customers are various businesses, such as restaurants, parking garages, retail stores, warehouses, apartment buildings, hotels, as well as private home owners.

With Pacific Security Systems, Inc. you can
be assured you’re getting the best:

High quality equipment
Unique system design
Flawless installations
Quick, reliable technical support
Great customer service
Very affordable all-inclusive monthly maintenance
Free software upgrades
Free estimates and consultations

Pacific Security Systems, Inc. is absolutely worth your trust when selecting your CCTV system provider.

The importance of having your system professionally designed cannot be underestimated. It’s a fact that when the police seek to use CCTV evidence in court it is found to be inadmissible in well over 50% of cases. Even though almost anyone can suggest using a certain number of cameras and their positions at a location, only those who have experience in this field, through an understanding of the principles of optical science, will be able to recommend cameras and lenses that can give the best picture definition or coverage. By locating cameras correctly, you’re adding value to your system, and get ability not only to view the area of concern, but also other points of interest. For instance, one company may provide a view of everyone entering through a door, while another is also able to offer incorporating an overview of the room without increasing in cost or equipment. In many cases, clients find that a view of people leaving rather than entering the area, in fact, provides much more valuable evidence in the event of a crime.

Our philosophy is to provide high quality products, reliable technology support, and outstanding service to our clients. Pacific Security Systems, Inc. enhances its teamwork efficiency in all aspects, keeping up with CCTV innovation, providing relevant equipment, quality guaranty, great customer service and human resource management. Pacific Security Systems, Inc. is your best choice in CCTV industry!

190 N. Wiget Lane, Suite 202
Walnut Creek, CA 94598

Phone: (925) 934-CCTV (2288)
Toll Free: (877) 474-CCTV (2288)
Fax: (925) 943-CCTV (2288)
E-mail: info@psscctv.com

Click here for more information about security cameras lenses

The advantage to a c-mount camera is that the lens can be changed. If you need to see further than 35 or 40 ft then you'll need a c-mount camera with a special lens. C-Mount lenses are available from 4mm to 50mm. A 4mm lens provides facial detail and a 70 degree angle of view focused up to about 35 ft. An example of where you might use a fixed 4mm lens is in a small office, or at home to focus on your driveway.

A higher millimeter lens will provide further distance, but narrows the field of view. So, a 16mm lens would provide about a 15 to 20 degree angle of view at a focus distance of about 35 ft (or a 70 degree angle of view at about 140 feet). In general, a 8mm lens is like a 4mm lens zoomed in 2 times. Similarily, a 16mm lens is like the 4mm lens zoomed in 4 times.

Many times, the best option is to use a varifocal lens. This will allow you to vary the focus from 5 to 50mm. So when you install the camera you can fine tune the focal distance and angle of view. An example of where you might use a varifocal lens is outside (or inside) a large commercial building where you need more distance than 35 ft. and the varifocal lens will allow you to adjust the focal distance to your preference.

If you want to use cmount cameras outside, you must put them in an outdoor camera housing.

CCTV lenses are available in two different lens mounts. "C-mount" lenses have a flange back distance of 17.5mm; "CS-mount" lenses have a flange back distance of 12.5mm. The flange back distance is the distance from the flange of the lens (beginning of the lens mount) to the focal plane. All of the C-Mount cameras we sell can be adjusted for installation of a CS-Mount lens as well as a C-Mount lens.

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