Ordnance Factory Board

Telescopic Sight 557 B14 for 84 mm RL Mark-III

Technical Characteristics :

Magnification	3 X
Field of view	12⁰
Eye Relief	38mm
Resolution	Center Field within 3⁰ 30" Outside Center field beyond 3⁰ 60"
Parallax	Center Field ≤1' with a Center Field with 3⁰3' radius
Diopter setting	-0.5 to -1 Dioptres
Weight	1.10 Kg

Other Salient Features:

1.	Range setting knobs for HE/Smoke ammunition marked 441 and HEAT type ammunition marked 551 & 751.
2.	Interchangeable knobs for HE 441 and HEAT 551 & 751.
3.	Luminous groove for firing illumination round.
4.	Illuminating device for the scale on the range drum.
5.	Lead marks for targets moving with velocities from 10 to 50 Km/hr.
6.	Temperature Correction Adjustment
	Blue index	Below 0⁰C
	White index	Below 0⁰C and + 30⁰C
	Red index	Above + 30⁰C

Contact :

Marketing & Export Division
Ordnance Factory Board
Ayudh Bhawan
Government of India
Ministry of Defence
10A, S. K. Bose Road, Kolkata – 700 001, India.

Tel: 0091-33-2248 9027 / 2248 2103 / 2248 5077-80
Fax : 0091-33-2248 1748/2210 8235
Mail : ofbtrade@dataone.in
www.ofb.gov.in