DiscoveryOpt ED-ELR GEN II 5-40x56SFIR FFP-Z – Detailed Review

The DiscoveryOpt ED-ELR GEN II 5-40x56SFIR FFP-Z is a premium riflescope developed specifically for long-range shooting, targeting the needs of modern sport shooters and precision hunters. Whether it's a PRS competition, ELR shooting, or long-range hunting – this optic performs reliably in every situation.

Optical Performance – ED Glass and Fully Multi-Coated Lenses

The lenses are made from ED (extra-low dispersion) glass, which significantly reduces chromatic aberration and improves image sharpness, especially at high magnifications. Thanks to the fully multi-coated optics, light transmission reaches 92% or higher, delivering a clear, high-contrast image even in low-light conditions – such as dawn or dusk hunts.

• ED glass — minimised chromatic aberration, improved colour fidelity
• Fully multi-coated lenses — ≥92% light transmission, clear image in low light
• 56 mm objective diameter — high light gathering, wide field of view

First Focal Plane (FFP) Illuminated Reticle

The first focal plane (FFP) reticle scales proportionally with magnification, meaning the reticle markings – used for ranging and bullet drop compensation – display accurate, real values at every magnification setting. This is a critical advantage in long-range shooting, where conditions can change rapidly.

The illuminated reticle is adjustable in 6 brightness levels, from ultra-low illumination to bright daylight – conveniently controlled by a side-mounted button.

• FFP reticle — accurate readings at any magnification
• 6-level red illumination — usable in both low light and bright sunlight
• Side button — convenient and quick operation

Precision Turrets and Zero Stop Function

The turrets operate with 0.1 MRAD (1/10 MRAD) clicks, enabling precise, finely dosed adjustments. The elevation range is 24 MRAD and the windage range is 17 MRAD – values sufficient even for extreme long-range shooting.

The Zero Stop function allows instant return to the set zero point with a single click – in field conditions where quick and reliable reset is essential, this is a genuine advantage.

• 0.1 MRAD clicks — fine, precise adjustments
• 24 MRAD elevation / 17 MRAD windage — large internal adjustment range
• Zero Stop — quick return to zero
• Zero reset without backlash — reliable baseline setting

Durability and Reliability

The 35 mm tube diameter provides a robust structure and a large internal adjustment range. The riflescope is nitrogen purged, fully waterproof and fogproof, ensuring reliable performance in rain, snow, or humid conditions. The 1500 G shock resistance guarantees long-term, trouble-free use on large-calibre rifles – such as .308 Win, .300 Win Mag, or .338 Lapua Magnum.

• 35 mm tube — robust construction, large adjustment range
• Nitrogen purged — fully waterproof and fogproof
• 1500 G shock resistance — suitable for large-calibre rifles
• Side focus parallax adjustment — quick and convenient focusing

Applications

The DiscoveryOpt ED-ELR GEN II delivers its best performance in the following areas:

• PRS / ELR precision sport shooting — reliable under competition conditions
• Long-range hunting — e.g. deer, bison, chamois in varying light conditions
• Tactical shooting — from fixed positions, aided by Zero Stop and precision turrets
• Large-calibre rifles — .308 Win, .300 Win Mag, .338 Lapua Magnum and similar

Value for Money – What Do You Get for the Price?

The DiscoveryOpt ED-ELR GEN II is priced at approximately €462 in the EU. Let's compare with the competition:

• Kahles K525i / Sightron SVIII 5-40x56 — €1,000–1,500+
• Vector Optics Continental 5-30x56 FFP — approx. €700
• Delta Titanium HD 5-30x56 — approx. €750–850

The DiscoveryOpt model offers a comparable or wider magnification range, ED glass, FFP reticle and premium features – at a significantly lower price. This makes it particularly attractive for those who refuse to compromise on image quality and adjustment options, while remaining price-conscious.

Summary

The DiscoveryOpt ED-ELR GEN II 5-40x56SFIR FFP-Z is an excellent choice for anyone seeking professional-level precision at an affordable price. Recommended for both beginners and experienced long-range shooters, as well as precision hunters – who demand premium optical performance without paying a premium price.

With the included picatinny mount, the scope can be mounted immediately – no additional accessories required for basic use.