Pro binoculars

Alpen® Pro Series Binoculars

ALPEN Pro Series binoculars provide top performance and have superior features demanded by today’s dedicated sports optics users. Pro binoculars have exceptional value. They are offered in a wide selection of models to meet any sports optics need, including full-size and compact models, in both roof and porro prisms.

Alpen® Pro Series Features:

  • BAK4 optics for bright and sharp high resolution images
  • Multi-coated optics
  • Wide angle viewing (most models)
  • Long eye relief (most models) provides viewing comfort for eye glass wearers
  • Ergonomic styling for tireless use and comfort
  • Rubber armoring for protection and durability
  • Soft rubber rainguards (except compact models 267, 268, 335, and 337)
  • Fold down or twist up eye cups
  • Stylish and durable carrying case
  • Extra wide neckstrap
  • Alpen’s No-Fault, No-Problem Lifetime Warranty

Product weights are net weights without straps, lens covers, or accessories attached.


Model Number 312 317 352
Description 10x50 8x42 7-21x40
Magnification 10X 8X 7-21X
Objective Lens Diameter  50mm 42mm 40mm
Focus System Center Center Center
Prism Type Porro Porro Porro
F.O.V. (ft @ 1000 yds) 342 430 288/173
Exit Pupil 5mm 5.2mm 5.7-1.9mm
Eye Relief 16mm 19mm 10mm
Close Focus (Feet) 16 9 18-40
Lens Coating Fully
Net Weight (oz.) 32 26 26
Type of Neckstrap Extra Wide Extra Wide Extra Wide
Tripod Adaptable Yes Yes Yes
Prism Material BAK4 BAK4 BAK4
Waterproof / Fogproof No No No
Type of Case Nylon Nylon Nylon
IPD (mm) Min/Max 55-73 58-73 60-73
Length (inches) 6.75 5 6
Diopter Design Twist ring Twist ring Eyepiece
Eye Cups Twist Up Twist Up Fold Down
Model Number 380 385
Description 8X42 10X42
Magnification 8X 10X
Objective Lens Diameter  42MM 42MM
Focus System Center Center
Prism Type Roof Roof
F.O.V. (ft @ 1000 yds) 341 304
Exit Pupil 5.2MM 4.2MM
Eye Relief 19MM 19MM
Close Focus (Feet) 15 15
Lens Coating Multi-coated Multi-coated
Roof Prism Phase Coating NO NO
Roof Prism Metallic Coating NO NO
Net Weight (oz.) 26 26
Type of Neckstrap Extra Wide Extra Wide
Tripod Adaptable No No
Prism Material BAK4 BAK4
Waterproof / Fogproof Yes Yes
Type of Case Nylon Nylon
IPD (mm) Min/Max 60-75 60-75
Length (inches) 6 6
Diopter Design Twist-ring Twist-ring
Eye Cups Twist Out Twist Out