Well I guess I did not search enough about the Dish focal length it is 510 mm as per fortec website and specs.

Specification
Value

REFLECTOR Type
Offset

Offset Angle
24.62 0

Diameter Short Axis
85 cm

Diameter Long Axis
94 cm

Aperture Efficiency
75% min.

KU – Band Gain @12.5 GHz
39.34 dB

F/D Ratio
0.6

Focus Length
510 mm

Material
Galvanized Steel

Finish
Polyester Powder Coating

Color
Cool Grey

MOUNTING

Mounting Type
Ground, Pole & Wall Mount

Adjustment Type
AZ / EL

Elevation Angle Range
20° - 75°

Azimuth
0° - 360°

Material
Steel / Galvanized Steel

Finish
Polyester Powder Coating

Color
Cool Grey

Pole Diameter Acceptable
38 – 65 mm

Net Weight
9.3 kg

ENVIRONMENT

Operational Winds
25 m / sec

Survival Winds
50 m / sec

Ambient Temperature
-40°C ~ +60°C

Relative Humidity
0 ~ 100 %