TM3 12X42 Regular Nitrogen Filled Waterproof High-definition Portable Telescope

Specifications:

Product Name: TM3 12X42 (Black Regular)

Magnification: 12x

Objective lens aperture: 42mm

Eyepiece diameter: 18mm

Exit pupil diameter: ф 4mm

Pupil exit distance: 15.2mm

Field of view angle: 5.8 °

Field of view range: 102m/1000m

Close focus distance: 2m

Relative brightness: 18.23

Dusk index: 20.4

Parallax compensation: right eyepiece

Parallax degree: ± 5

Eyepiece distance: 56mm~74mm

Nitrogen filled waterproof: yes

Prism category: K9 (12.5 prism)

Number of lens groups: 6 pieces and 4 groups

Lens coating: FMC

Focusing system: central focusing

Focusing lens: internal adjustment

Eye mask structure: rotating eye mask

Product size: 129 * 53 * 160mm

Product weight: 703g