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Measured figures
Scope body, ordered source axes length · Length
Single source280 mm[source]Scope body, ordered source axes length
Configuration
| Specification | 1PN51-2 | Rajendra (radar system) |
|---|---|---|
| National origin | Soviet Union[source] | — |
| Type | passive night scope[source] | Fire-control radar[source] |
| Transport mass | 6.45 kg in total[source]Metal container with batteries, charger and accessories; not scope-only mass | — |
| Mounting | attached onto a matching side rail[source]Weapon-mounted sight | — |
| Magnification | 2.94.[source] |
Scope body, ordered source axes width · Width
Single source106 mm[source]Scope body, ordered source axes width
Scope body, ordered source axes height · Height
Single source192 mm[source]Scope body, ordered source axes height
Scope only, excludes container/batteries/accessories · Mass
Single source2.1 kg[source]Scope only, excludes container/batteries/accessories
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| — |
| Power supply | pack of 5 D-0,55S ( Russian : Д-0,55С ) rechargeable cells, providing up to 7 V[source] | — |
|---|
| Optical aperture | 80 mm aperture[source]Optical aperture, not body width | — |
|---|
| Country of origin | — | India[source] |
|---|
| Manufacturer | — | Bharat Electronics Limited[source] |
|---|
| Designer | — | Electronics and Radar Development Establishment ( DRDO ) IIT Delhi[source] |
|---|
| No. built | — | 32[source] |
|---|
| Frequency | — | Surveillance: G / H band Engagement: I / J band[source] |
|---|
| RPM | — | 15 and 7.5[source] |
|---|
| Altitude | — | 30 m (98 ft) to 20 km (12 mi)[source] |
|---|
| Azimuth | — | ±45°[source] |
|---|
| Elevation | — | -5° to +65°[source] |
|---|
| Alternative designation | — | Rajendra[source] |
|---|