Cameraland NY
Toll-Free: 866-9optics
* Shopping Cart *

Cameraland NY

Leica ER 2.5-10x42
Part# 50012
Reticles Available: Ballistic


Leica ER Riflescopes - Perfect for all types of hunting

The longest eye relief thoughout the power range - ideal for hard recoiling rifles.


The LEICA ER riflescopes combine legendary optical performance with unsurpassed mechanical reliability. The ER 2.5-10x42 and 3.5-10x42's moderate size is ideal for hunting rifles used in rugged conditions backpack, horse-back, fly-in hunting camps. The LEICA ER fits perfectly in the hunters rifle case or scabbard. Designed for ease of mounting, the ER series has the most compact eyepiece and the largest amount of straight tube fore and aft of the turret housing of any premium riflescope. The long eye relief (10 cm) is ideal for large calibre rifles. The outer lenses are coated with Leica's high tech AquaDuraTM coating whose water and dirt repelling properties make cleaning easy and keep ready for action.

The LEICA ER 2.5-10x42 and the 3.5-14x42, remarkable for their compact design and 10 centimeter eye relief. Due to their magnification range, the riflescopes are equally suitable for still and driven hunting. The abbreviation ER stands for Extended Eye Relief. Eyeglass wearers and users of large-caliber weapons in particular will welcome the safety and comfort offered when shooting with Leica riflescopes. The extremely short eyepiece makes the riflescope compact and offers many possibilities for perfect assembly on the weapon. The exterior surfaces of the LEICA ER have water-repellent Leica AquaDura coating for good visibility and easier cleaning. The reticles 4A, Ballistic and Plex are naturally situated in the second image plane. The convenient clickstop mechanism adjusts the impact point by MOA (0.7 cm) per click at 100 meters.

The barrel of the LEICA ER is made of aluminum and has an extremely hard anodized finish and a diameter of 30 mm. The LEICA ER is waterproof to a depth of four meters and nitrogen-filled to prevent fogging. The riflescopes are supplied without a rail. The delivery includes a pull-on cover.

With the ER 2,5-10x42 you are perfectly prepared for many hunting situations short, moderate or long range. With a magnification range of 2.5x to 10x, you are ready for short, medium and long range precision shooting from across the canyon or the high seat.

The compact eyepiece and the generous straight tube fore and aft of the turret housing allow exceptional ease of mounting on hunting rifles. When a quick, aimed shot is needed, the wide field of view and generous magnification range will assist the shooter hit the target.

The LEICA ER 2.5-10x42 with ASV elevation turret it adjusts the point of impact of the bullet to different distances at the turn of the turret knob. All reticles are in the second image plane (American Style).


Currently Sold Out,
Please Call for Availability


Suggested Accessories:
* MicroClean Cleaning Cloth
* OpticClean Cleaning Fluid
* MicroClean Deluxe Lens Pen
* Sunshade for ER Scope
View Leica Reticles - Click Here

Leica Reticle Subtensions

Cameraland NY
Cameraland NY

Setting Up Your Scope for Success

  • Magnification:
    2.5-10x
  • Objective Lens Diameter:
    42 mm
  • Main-Tube Diameter:
    30 mm
  • Reticle(s):
    Leica-Plex, Leica-4A, Ballistic, Reticle 1, & Reticle CDD
  • Field of View:
    2.5x: 47.6' @ 100 yd / 14.5 m at 100 m
    10x: 12.8' @ 100 yd / 3.9 m at 100 m
  • Parallax Correction:
    100 m / 328'
  • Eye Relief:
    3.94" / 10 cm
  • Exit Pupil:
    2.5x: 14.9 mm, 10x: 4.2 mm
  • Filter Size:
    46 x 0.75 mm
  • Impact Point Correction:
    1/4 MOA / 7.3 mm @ 100 m
  • Weatherproofing:
    Waterproof, fogproof, submersible to 4.0 m/13.12'
  • Dimensions:
    Length: 12.9" / 33.0 cm
  • Weight:
    16.6 oz / 470 g


Ballistic Reticle
in the Second Focal Plane

Leica's Ballistic reticle features a familiar 4 post with cross hairs configuration. Hash marks on the 6 o'clock stadia assist the shooter with hold-over points for long-range shot-placement.
This reticle is positioned in the rear or second focal plane; it does not change dimensions when the scope's magnification is dialed up or down.


Reticle 1
in the Second Focal Plane

Leica's Reticle 1 features a standard European hunting configuration; two heavy non-tapered posts at 3 and 9 o'clock, and a single heavy tapered post at 6 o'clock. The peak of the 6 o'clock posts indicates your exact point of aim. Designed for shooting quickly under any lighting conditions, the Reticle 1 is extremely versatile and well suited for any hunting scenario.
This reticle is positioned in the rear or second focal plane; it does not change dimensions when the scope's magnification is dialed up or down.

Further features:

* waterproof to a depth of 13ft (4 m)
* nitrogen-filled to prevent fogging
* AquaDuraTM coating ensures water just rolls off the lenses and dirt is easily removed.
* the 1/4 inch MOA adjustments make sighting in easy the click stop adjustments are positive and easily recognizable.