Zoom Capability Digital Video Recorders
Last Updated: February 12, 2025
Description
Zoom Capability Digital Video Recorders (DVRs) are devices designed to capture video footage with the ability to zoom in on distant objects. This zoom functionality allows the DVR to focus closely on subjects that are far away, enhancing the detail and clarity of the recorded video.
Working Principle
Zoom Capability DVRs operate using either optical or digital zoom technologies. Optical zoom involves adjusting the physical lens elements to magnify the image, preserving the original pixel density and ensuring high-resolution output without distortion. Digital zoom, on the other hand, works by cropping the image from the sensor and then resizing it to the desired resolution, which can lead to a decrease in image quality due to pixelation. These zoom features are particularly useful in scenarios where the camera cannot be moved closer to the subject, allowing for detailed imaging from a distance.
Applications
Zoom Capability DVRs are widely used in various applications that require detailed imaging from afar. Specific examples include wildlife monitoring, where it is crucial to capture clear images without disturbing the animals, and hazardous area surveillance, where it is unsafe for humans to approach closely. They are also used in embedded vision applications such as document readers, low-vision viewers, and digital microscopes, where precise zooming is necessary to capture detailed images.
Advantages over other Digital Video Recorders
Zoom Capability DVRs, particularly those with optical zoom, offer several advantages over standard DVRs. They provide consistent resolution and superior magnification quality, avoiding the pixelation and image distortion that often accompany digital zoom. This makes them ideal for applications requiring high-quality imaging from a fixed position, such as in sensitive environments where the subject or surroundings should not be disturbed.
Limitations
One of the primary limitations of optical zoom in DVRs is the increased size and weight due to the additional lens elements required. This can make the devices bulkier and less portable compared to those using digital zoom. Additionally, digital zoom can result in a loss of image quality, as the process of cropping and resizing can lead to pixelation.
Considerations
When considering Zoom Capability DVRs, it is important to evaluate factors such as initial costs, operating expenses, and maintenance requirements. Optical zoom systems may have higher initial costs due to the complexity of the lens system, but they offer better image quality. Digital zoom systems might be less expensive initially but could incur higher operating expenses due to the need for more frequent maintenance and potential image quality issues. Durability and accuracy are also key considerations, as optical systems tend to be more robust and provide more accurate zooming capabilities. Replacement and maintenance costs should be factored into the decision-making process, as these can vary significantly depending on the type of zoom technology used.
from Det-Tronics
Take surveillance to the next level; record activities monitored by the xWatch ® camera. Det-Tronics offers real-time event recording through the TruVision DVR line by GE Security. Because the DVR allows a situation to be viewed before, during, and after an incident, teams can focus on how to... [See More]
- Image: Color
- Storage Capacity: 250000 to 500000
- Video Inputs: 16
- Video Format: NTSC; PAL
from Clinton Electronics Corporation
Up to 480 FPS viewing and 120 FPS recorded., Up to 680 x 240 recorded resolution., Smallest file size in the industry using algorithm of MJPEG, JPEG, H.263 and H.264 compression, CIF file size of 1.2KB., Back-up to DVDRW, Hard Drive, USB port, or to PC via SMS remote software., 500 GB SATA HDD comes... [See More]
- Video Inputs: 4
- Features: Alarms; Zoom; Compression
- Storage Capacity: 500000
- Operating Temperature: 41 to 104
from NorPix, Inc.
StreamPix is Norpix ’s flag ship software product. Resulting from more than 10 years of interaction with our vast group of customers, StreamPix has become the ultimate Digital Video Recording software. It offers a state of the art user interface, and an enormous amount of usage flexibility for... [See More]
- Image: Black & White; Monochrome; Color
- Maximum Image Rate: 30 to 8500
- Video Inputs: 1 to 64
- Storage Capacity: 500 to 7.20E7
from Boulder Imaging, Inc.
The Quazar 1600R is Boulder Imaging's premier rack mount system. The 1600R delivers astounding performance while maintaining affordability. With an amazing data throughput of 800MB/sec and 6TB of storage the 1600R can address a wide range of demanding requirements. If you are seeking expandability,... [See More]
- Image: Black & White; Monochrome; Color
- Maximum Image Rate: 20000
- Video Inputs: 12
- Storage Capacity: 6.00E6
from Clinton Electronics Corporation
Up to 480 FPS viewing and 120 FPS recorded., Up to 680 x 240 recorded resolution., Smallest file size in the industry using algorithm of MJPEG, JPEG, H.263 and H.264 compression, CIF file size of 1.2KB., Back-up to DVDRW, Hard Drive, USB port, or to PC via SMS remote software., 500 GB SATA HDD comes... [See More]
- Video Inputs: 16
- Features: Alarms; Zoom; Compression
- Storage Capacity: 500000
- Operating Temperature: 41 to 104
from NorPix, Inc.
For applications requiring shock and vibration resistance. Built to withstand shock and vibrations and approved for military use, the Rugged 3U server ensures sustained performance under extreme conditions, such as those experienced in airborne and/or high vibration applications. As a component in... [See More]
- Image: Black & White; Monochrome; Color
- Maximum Image Rate: 30 to 8500
- Video Inputs: 1 to 64
- Storage Capacity: 500 to 7.20E7
from Boulder Imaging, Inc.
The Quazar 200T is Boulder Imaging's entry level tower system. It provides outstanding capacity and performance in a compact tower profile with data throughput of 100MB/sec with sufficient storage for many applications (750GB). If you are seeking an entry level high performance recording solution... [See More]
- Image: Black & White; Monochrome; Color
- Maximum Image Rate: 20000
- Video Inputs: 8
- Storage Capacity: 750
from Clinton Electronics Corporation
Up to 480 FPS viewing and 480 FPS recorded., Up to 680 x 480 recorded resolution., Smallest file size in the industry using algorithm of MJPEG, JPEG, H.263 and H.264 compression, CIF file size of 1.2KB., Back-up to DVDRW, Hard Drive, USB port, or to PC via SMS remote software., 500 GB SATA HDD comes... [See More]
- Video Inputs: 16
- Features: Alarms; Zoom; Compression
- Storage Capacity: 500000
- Operating Temperature: 41 to 104
from NorPix, Inc.
StreamPix and TroublePix operate at their best using state of the art StreamPix Station 625 and 1250 computers. These fine tuned computers are assembled in our labs with carefully selected components that will guarantee ultimate performance as well as image recording for hours with a no frame drop... [See More]
- Image: Black & White; Monochrome; Color
- Maximum Image Rate: 30 to 8500
- Video Inputs: 1 to 64
- Storage Capacity: 500 to 7.20E7
from Boulder Imaging, Inc.
The Quazar 400P is Boulder Imaging's entry level portable system. It provides quality and performance with data throughput of 200MB/sec with sufficient storage for many applications (1.5TB). If you are seeking flexibility, quality, durability, portability, and excellent price/performance then the... [See More]
- Image: Black & White; Monochrome; Color
- Maximum Image Rate: 20000
- Video Inputs: 16
- Storage Capacity: 1.50E6
from Clinton Electronics Corporation
Up to 480 FPS viewing and 120 FPS recorded., Up to 680 x 240 recorded resolution., Smallest file size in the industry using algorithm of MJPEG, JPEG, H.263 and H.264 compression, CIF file size of 1.2KB., Back-up to DVDRW, Hard Drive, USB port, or to PC via SMS remote software., 500 GB SATA HDD comes... [See More]
- Video Inputs: 8
- Features: Alarms; Zoom; Compression
- Storage Capacity: 500000
- Operating Temperature: 41 to 104
from NorPix, Inc.
NorPix can provide custom multi-camera recording systems to fit your needs. StreamPix 5. Description. 4 cameras x 60 fps. 4 cameras at 60 fps x 640 x 480 on a single laptop. 4 cameras x 80 fps. Laptop solution at 4 cameras at 80 fps x 640 x 480. 8 cameras x 90 fps. Desktop solution with 8 cameras at... [See More]
- Image: Black & White; Monochrome; Color
- Maximum Image Rate: 30 to 8500
- Video Inputs: 1 to 64
- Storage Capacity: 500 to 7.20E7
from Boulder Imaging, Inc.
The Quazar 400R is Boulder Imaging's entry level rack mount system. It provides quality and performance with data throughput of 200MB/sec with sufficient storage for many applications (1.5TB). If you are seeking flexibility, quality, durability, and excellent price/performance then the Quazar 400R... [See More]
- Image: Black & White; Monochrome; Color
- Maximum Image Rate: 20000
- Video Inputs: 16
- Storage Capacity: 187500
from Clinton Electronics Corporation
Up to 480 FPS viewing and 240 FPS recorded., Up to 680 x 480 recorded resolution., Smallest file size in the industry using algorithm of MJPEG, JPEG, H.263 and H.264 compression, CIF file size of 1.2KB., Back-up to DVDRW, Hard Drive, USB port, or to PC via SMS remote software., 500 GB SATA HDD comes... [See More]
- Video Inputs: 8
- Features: Alarms; Zoom; Compression
- Storage Capacity: 500000
- Operating Temperature: 41 to 104
from Boulder Imaging, Inc.
The Quazar 400T is Boulder Imaging's premier tower system. It provides outstanding capacity and performance in a compact tower profile with data throughput of 200MB/sec with sufficient storage for many applications (1.5TB). If you are seeking flexibility, quality, durability, and excellent... [See More]
- Image: Black & White; Monochrome; Color
- Maximum Image Rate: 20000
- Video Inputs: 16
- Storage Capacity: 1.50E6
from Boulder Imaging, Inc.
The Quazar 600P is Boulder Imaging's top of the line portable system. It provides quality and performance with data throughput of 300MB/sec with significant storage (2.25TB) in a portable platform. If you are seeking flexibility, quality, durability, and excellent price/performance then the Quazar... [See More]
- Image: Black & White; Monochrome; Color
- Maximum Image Rate: 20000
- Video Inputs: 16
- Storage Capacity: 2.25E6