Camera Lenses for IP Surveillance | Fixed & Varifocal

Plan Your Deployment

Required field of view and coverage area
Focal length selection and scene distance planning
Sensor compatibility and mount type
Low-light performance considerations
Environmental exposure and durability needs

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Hanwha

SKU: SLA-C-E24

Hanwha SLA-C-E24 Canon EF 24mm f/1.4L II USM Lens

24mm f/1.4 Canon EF lens for Hanwha TNB-9000 wide-angle surveillance
- f/1.4 maximum aperture captures detail in low-light conditions without noise
- 24mm focal length with wide horizontal field of view for expansive monitoring
- Auto-iris adjusts exposure automatically across varying lighting conditions
Special Order · Usually Ships in 2-3 Weeks

$5,025.00 $3,763.99 Save $1,261.01

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Hanwha

SKU: SLA-C-E2470

Hanwha SLA-C-E2470 Canon EF 24-70mm f/2.8L II Lens

Canon EF 24-70mm f/2.8 zoom lens for TNB-9000 surveillance
- 24-70mm focal range with constant f/2.8 aperture across entire zoom
- Ultra-low dispersion glass and aspherical elements reduce distortion
- Ultrasonic Motor autofocus delivers fast, silent focusing operation
Special Order · Usually Ships in 2-3 Weeks

$4,900.00 $3,669.99 Save $1,230.01

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Hanwha

SKU: SLA-C-E50

Hanwha SLA-C-E50 Canon EF 50mm f/1.2L USM Lens

50mm f/1.2L Canon EF lens for low-light surveillance detail
- f/1.2 aperture with USM autofocus for fast, silent focusing
- L-series optics with advanced coatings reduce distortion and aberration
- 50mm focal length captures natural perspective for facial recognition
Special Order · Usually Ships in 2-3 Weeks

$3,950.00 $2,958.99 Save $991.01

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Hanwha

SKU: SLA-C-E70200

Hanwha SLA-C-E70200 Canon EF 70-200mm Lens

70-200mm f/2.8 telephoto lens for Hanwha TNB-9000 surveillance
- Constant f/2.8 aperture with 2.8x optical zoom across full focal range
- 3.5 stops of image stabilization reduces camera shake in variable light
- Fluorite and UD glass elements minimize color fringing and thermal effects
Special Order · Usually Ships in 2-3 Weeks

$5,450.00 $4,081.99 Save $1,368.01

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Hanwha

SKU: SLA-C-I2885

Hanwha SLA-C-I2885 8MP Varifocal DC-Iris Lens

8MP varifocal lens with DC-iris and F/1.2 aperture for 24/7 surveillance
- 2.8-8.5mm focal length spans 124.7° to 41.3° for wide to telephoto coverage
- F/1.2 aperture with stepping motor iris optimizes exposure in low-light and IR
- CS mount, IR-corrected optics, rated -20°C to +60°C for outdoor deployment
Special Order · Usually Ships in 2-3 Weeks

$435.00 $325.99 Save $109.01

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Hanwha

SKU: SLA-C-I3910

Hanwha SLA-C-I3910 8MP DC-Iris Lens

8MP DC-iris lens, 3.9-10mm zoom, F/1.5 for day/night surveillance
- 3.9-10mm variable focal length with 108°–41° field of view range
- DC-iris stepping motor with iCS control for automatic exposure adjustment
- IR-corrected optics for true 24/7 operation without filter switching
Special Order · Usually Ships in 2-3 Weeks

$455.00 $340.99 Save $114.01

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Hanwha

SKU: SLA-F1080FA

Hanwha SLA-F1080FA 5MP Fisheye Lens Module

180° fisheye lens module for panoramic indoor coverage
Special Order · Usually Ships in 2-3 Weeks

$372.00 $275.99 Save $96.01

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Hanwha

SKU: SLA-F2480A

Hanwha SLA-F2480A 5MP Fixed Lens Module

5MP wide-angle lens module with 122° FOV for remote head systems
Special Order · Usually Ships in 2-3 Weeks

$258.00 $190.99 Save $67.01

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Hanwha

SKU: SLA-F2480VA

Hanwha SLA-F2480VA 5MP Fixed Lens Module

5MP fixed lens module with 122° wide angle for indoor remote head cameras
Special Order · Usually Ships in 2-3 Weeks

$258.00 $190.99 Save $67.01

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Hanwha

SKU: SLA-F2480WA

Hanwha SLA-F2480WA 5MP Outdoor Lens Module

5MP wide-angle lens for outdoor remote heads; IP66 + IK10 rated
Special Order · Usually Ships in 2-3 Weeks

$330.00 $244.99 Save $85.01

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Hanwha

SKU: SLA-F2480WDA

Hanwha SLA-F2480WDA 5MP Dome Lens Module

5MP wide-angle dome lens module for outdoor perimeter surveillance
Special Order · Usually Ships in 2-3 Weeks

$324.00 $239.99 Save $84.01

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Hanwha

SKU: SLA-F4780A

Hanwha SLA-F4780A 5MP Fixed Lens Module

5MP fixed lens module for PNM-C20000QB remote head systems
Special Order · Usually Ships in 2-3 Weeks

$258.00 $190.99 Save $67.01

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Hanwha

SKU: SLA-F4780VA

Hanwha SLA-F4780VA 5MP Fixed Lens Module

5MP fixed lens module for covert surveillance in compact spaces
Special Order · Usually Ships in 2-3 Weeks

$258.00 $190.99 Save $67.01

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Hanwha

SKU: SLA-H-4680VA

Hanwha SLA-H-4680VA 2MP Pinhole Height Strip Housing

2MP pinhole housing with height strip for discreet facial capture
- 2.13M effective pixels, 4.6mm lens, 73° horizontal FOV for entry monitoring
- 0.06 Lux low-light performance in color and B/W with auto day/night mode
- WDR, HLC, and 2D+3D noise reduction for clear facial detail in varied lighting
Special Order · Usually Ships in 2-3 Weeks

$545.00 $408.99 Save $136.01

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Hanwha

SKU: SLA-M2890DN

Hanwha SLA-M2890DN 3MP CS-Mount Auto Iris Varifocal Lens

3MP varifocal lens with F1.2 auto iris for day/night surveillance
- 2.8–9mm varifocal range adjusts field of view from 110° to 35° HFOV
- F1.2 DC auto iris adapts to rapid lighting changes without manual adjustment
- IR-corrected optics maintain focus across day/night mode shifts on 1/2.8" sensors
In stock · Usually Ships Same Business Day

$199.00 $149.99 Save $49.01

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Hanwha

SKU: SLA-M2890PN

Hanwha SLA-M2890PN 3MP CS-Mount Varifocal Lens

3MP varifocal lens, 2.8–9mm with P-Iris and IR correction
- 3.2x zoom range adjusts field of view without lens swap
- P-Iris motorized iris maintains depth of field across lighting changes
- IR correction filter optimizes night vision sharpness and color accuracy
In stock · Usually Ships Same Business Day

$249.00 $186.99 Save $62.01

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What to Look For When Buying

The decisions that matter most before you spec.

Pixel Density & DORI Alignment

Lens focal length directly controls how many pixels land on a target at a given distance. Underspecified lenses waste sensor resolution or fail identification at required range. Align focal length to identification distance and sensor MP to ensure pixel density meets DORI requirements before deployment.

Field of View vs. Coverage Trade-Off

Wider lenses cover more area but reduce per-target detail; narrower lenses sacrifice breadth for magnification. Define your coverage zones and identification thresholds first, then lock focal length—changing lenses mid-deployment signals a planning failure. Standardize focal lengths across similar zones to avoid inconsistent capture quality.

Lens Mount & Camera Compatibility

Lenses must physically mount to cameras (C-mount, CS-mount, M12, custom) and match sensor size (1/3", 1/2", 2/3"). Verify back focal distance and iris type (fixed, manual, DC auto) match your camera body. Mismatched mounts cause installation delays and focal-plane errors.

Low-Light Performance & Aperture Rating

Larger apertures (lower f-number: f/1.2 vs. f/2.8) gather more light but add cost and bulk. If 4K cameras must perform at night without IR, aperture selection becomes critical. Pair wide-aperture lenses with fast cameras and adequate ambient or IR illumination.

Environmental Durability & Coatings

Lens coatings reduce glare, ghosting, and reflections—essential for high-contrast scenes (glass storefronts, snowy parking lots). UV and anti-fungal treatments protect optics in humid, coastal, or high-UV environments. Budget for protective dome covers and weathershields in exposed installations.

Brand Standardization & Spare Parts

Standardizing on lenses from brands like Axis, Hanwha, Pelco, and Hikvision simplifies procurement, reduces inventory, and ensures spare lenses are in stock. Proprietary or rare lenses lead to extended downtime if optics fail or require adjustment.

Technology Stack

The specs and acronyms that actually affect lenses performance.

Focal Length (mm)

Determines magnification and field of view. Wide angles (4–6mm) see large areas with less detail; narrow angles (25–50mm) zoom on distant subjects. Choose based on target distance and identification requirements, not camera resolution.

Aperture (f-number)

Controls light gathering capacity: f/1.2 (very bright, expensive) vs. f/2.8 (standard). Lower f-numbers improve low-light capture and depth of field. Critical for night operation and backlighting rejection.

Iris Type (Fixed / Manual / Auto DC)

Fixed iris suits constant-light environments; manual iris requires onsite adjustment; auto DC iris (motorized) adapts to daylight-to-dusk transitions. DC auto costs more but eliminates exposure inconsistency over a 24-hour cycle.

Mount Type (C / CS / M12 / Custom)

Physical attachment standard between lens and camera body. C-mount and CS-mount are industry-standard; M12 fits compact/covert cameras. Verify back focal distance matches camera flange. Incorrect mount = no focus or physical interference.

Lens Coatings (Multi-Coat / AR / UV)

Anti-reflection coatings reduce glare and ghosting in high-contrast lighting (reflective glass, snow). UV coatings protect glass from sun degradation. Essential for long-term outdoor clarity and reduced maintenance.

Distortion & Chromatic Aberration

Barrel or pincushion distortion bends straight lines; chromatic aberration splits colors at high contrast. Wide-angle and budget lenses show more. High-end optics minimize both—important for precise perimeter analytics and identity verification.

Typical Deployment Scenarios

Warehouse Receiving Dock

Two 4MP fixed cameras with 25mm narrow-angle lenses mounted 12 feet high capture license plates and driver faces at 30+ feet. Aperture f/2.0 handles overcast dock conditions; weathershields protect optics from dock spray and UV.

Multi-Floor Retail Mall Concourse

Central atrium uses 8MP varifocal lenses (8–32mm) post-adjustable to balance foot traffic overview with kiosk-detail capture. Fixed aperture f/1.6 ensures consistent exposure as viewpoint widens or tightens. Avoid costly camera repositioning during design refinement.

School Perimeter & Parking Lot

Six 2MP fixed-lens cameras with 4mm ultra-wide optics cover entry gates, lot rows, and bus lanes from single posts. Standardize on one lens type across campus to simplify inventory and spare parts. Add dome covers for weather resilience.

Border / Perimeter Identification Zone

Telephoto 50mm, f/1.4 lens on 5MP fixed camera captures identity-grade detail at 80+ feet in daylight. Paired with dedicated PoE infrastructure to avoid bitrate degradation. High-resolution capture demands sufficient storage throughput for continuous motion recording.

Frequently Asked Questions

What focal length should I choose for my application?

Start with your identification distance (how far the camera must recognize a face or plate) and multiply by sensor FOV math: focal length = (sensor width × distance) ÷ (2 × desired pixel width). For example, 30 feet at 1 meter width = ~16mm focal length. Use pixel density and DORI calculators to verify alignment before purchase.

Can I swap lenses between different camera brands?

Only if they share the same mount type (C-mount, CS-mount, M12) and back focal distance. Mounting alone is not enough—focusing may fail if flange distances differ. Always verify camera specs before cross-brand lens purchases; test before field deployment.

What's the difference between fixed and auto-iris lenses?

Fixed iris has no light control—ideal for constant-light indoors. Manual iris requires adjustment on-site. Auto DC iris adjusts electronically to changing light, preventing washed-out days or dark nights. For outdoor perimeter or retail, auto-iris pays for itself by eliminating exposure complaints and re-tuning visits.

Do I need UV or anti-glare coatings?

Yes, if the lens faces direct sun, reflective surfaces (glass storefronts, water), or high-dust/salt environments. UV coatings prevent long-term glass yellowing; anti-reflection coatings eliminate lens flare and ghosting in backlit scenes. Coastal and solar-exposed deployments should not skip coatings.

How do I protect lenses from weather and vandalism?

Use protective dome covers, weathershields, and sun hoods to extend optics life and preserve clarity. Weatherseals prevent moisture ingress; UV-blocking domes cut glare. In high-vandalism areas, recessed or hardened housings are preferable to exposed turrets.

What happens if I buy the wrong lens mount?

The lens will not physically attach to your camera, or will attach but fail to focus due to misaligned focal planes. Always cross-check camera mount type and back focal distance before ordering. If uncertain, contact our expert team with your camera model number.

Lenses

Plan Your Deployment

Showing Results for Lenses

Hanwha SLA-C-E24 Canon EF 24mm f/1.4L II USM Lens

Hanwha SLA-C-E2470 Canon EF 24-70mm f/2.8L II Lens

Hanwha SLA-C-E50 Canon EF 50mm f/1.2L USM Lens

Hanwha SLA-C-E70200 Canon EF 70-200mm Lens

Hanwha SLA-C-I2885 8MP Varifocal DC-Iris Lens

Hanwha SLA-C-I3910 8MP DC-Iris Lens

Hanwha SLA-F1080FA 5MP Fisheye Lens Module

Hanwha SLA-F2480A 5MP Fixed Lens Module

Hanwha SLA-F2480VA 5MP Fixed Lens Module

Hanwha SLA-F2480WA 5MP Outdoor Lens Module

Hanwha SLA-F2480WDA 5MP Dome Lens Module

Hanwha SLA-F4780A 5MP Fixed Lens Module

Hanwha SLA-F4780VA 5MP Fixed Lens Module

Hanwha SLA-H-4680VA 2MP Pinhole Height Strip Housing

Hanwha SLA-M2890DN 3MP CS-Mount Auto Iris Varifocal Lens

Hanwha SLA-M2890PN 3MP CS-Mount Varifocal Lens

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What to Look For When Buying

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