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Kahles Helia 2-10x50i VS GPO SPECTRA 8x 2.5-20x50

Kahles Helia 2-10x50iGPO SPECTRA 8x 2.5-20x50

Introduction to Kahles Helia 2-10x50i VS GPO SPECTRA 8x 2.5-20x50

  • Both GPO and Kahles are European manufacturers, Kahles from Austria and GPO from Germany.

  • Kahles Helia is in production from 2017 and this model of GPO is in production since 2020.

  • Both GPO SPECTRA 8x 2.5-20x50 and Kahles Helia 2-10x42 are deigned for hunting.

  • For low light hunting to be exact.
  • Both GPO and Kahles offer high quality optics.

Kahles Helia 2-10x50i Video Review


Kahles Helia 2-10x50i Reticle Subtensions


GPO vs Kahles Helia comparison table

  Kahles Helia 2-10x50i

Kahles Helia 2-10x50i

Short Description Kahles Helia 2-10x50i
Manufacturer Kahles
Color No
Diopter adjustment - 3.5 / + 2.0 dptr
Twilight Factor 6.2 - 22.4
Light transmittance -
Built in Range finder No
Working temperature range -
Fogproof Yes
Water proof Yes
Shock proof Yes
Made in Austria
In production since 2017
Variable magnification Yes
Tube size/diameter 30 mm
Type of mount rail No
Parallax setting 100 m
Parallax adj. No
Parallax adustment range -
Fast focus eyepiece type Yes
Reticle illumination Yes
Usable at daytime Yes
Illumination color No
Reticle position 2. focal plane - SFP
Click Value 10mm/100m - 0.10MIL
Filled with Nitrogen
Lens coatings Fully Multicoated
Special features Fogproof, Fully multicoated, Illuminated reticle, Shockproof, Variable, Waterproof
Objective size diameter 56 mm
Reticle No
Warranty 11 years
Type of Turret Capped
Number of Turret Turns MT - Multi Turn
Automatic Turn Off Yes
Direction of turret rotation CW
Lens size diameter. 50.0000
Maximal field of view. 23.3620
Min. magnification. 2.2269
Weight. 653.8522
Max. magnification. 10.0000
Minimal eye relief. 95.0000
Size of Dot. No
Length. 383.4030
Mount length. No
Minimal exit pupil. 5.0000
Minimal field of view. 4.5612
Elevation - mrad. 17.8334
Mounting rail. Yes
Locking turrets No
Zero-Stop No
Scope Rail Standard No
Mounting Standard No

GPO vs Kahles Helia price comparison

GPO costs a bit less. It costs 1399€, while Kahles is 1659€.

GPO vs Kahles Helia body comparison

  • GPO is heavier, weighing 718g while the Kahles Helia weighs 585g .

  • GPO rifle scope is 357mm long, and Kahles is 341mm long. 

  • Both rifle scopes have fast focus eyepiece.

  • GPO has adjustable parralax 9m to infinity.

GPO vs Kahles Helia optics comparison

  • Kahles has minimal magnification of 2x and GPO has it 2.5x.
  • Kahles has maximal magnification of 10x and GPO has it 20x.

  • Kahles has minimal eye relief of 95mm and GPO has 90mm.

  • GPO`s minimal field of view is 1.9m/100m and it`s maximal field of view is 15.5m/100m.

  • Kahles`s minimal field of view is 4,2m/100m and it`s maximal field of view is 25.2m/100m.

  • Elevation on GPO is better it has 26.1mrad and Kahles has 16mrad.

Kahles Helia 2-10x50i

Kahles Helia 2-10x50i


  • Field of view

  • Weight

  • Diopter range

  • Auto turn-off(very good)
  • Warranty

  • Reticle illumination


  • Price
  • Fixed parralax

  • Love it or hate it body

GPO SPECTRA 8x 2.5-20x50

GPO SPECTRA 8x 2.5-20x50


  • Price
  • Elevation

  • Magnification

  • Adjustable parralax


  • Heavier

  • No auto turn-off

  • No Reticle illumination

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