25-75x60 ED HD Birdwatching Monocular Telescope BAK4 Prism Waterproof Fogproof for Outdoor Camping Wildlife Viewing

Brand Name: LOERSTON

Magnification: 25-75X

Objective Lens Diameter: 60MM

Eyepiece diameter: 22MM

Field of View: 40M/19.2M- 1000M

Type: Monocular

High-concerned chemical: None

Water Resistance Level: IPX6

Origin: Mainland China

Lens Coating Description: FMC

Focus Type: CENTRAL

Prism Description: BAK4

Specification:

Product Color: Army Green Black

Magnification: 25-75 times

Eyepiece diameter: 22MM

Objective lens diameter: 60MM

Pupil diameter: 4-1.3 M M

Pupil distance: 15 MM

Prism: BAK4

Close focus distance:3M

Field of view: 40M/19.2M-1000M

Lens type: ED lens

Lens Coating:FMC

Waterproof system: life waterproof

Features

★1.25-75x60 high-definition high magnification birdwatching lens

BAK4 prism/ ED lens/ large objective lens/ multi-layer coating

★2.60MM large objective lens

Experience the camera lens, ultra-wide angle large field of view.

★3. Three kinds of magnification continuous zoom

25X50X75X different magnification, to meet your different observation needs.

★4.BAK4 high transmission prism

Effectively improve the light transmission, the image is clear.

★5.FMC multi-layer coating

Reduce color variation, light transmission rate up to 99%.

★6. Photo and video synchronization

Connected to the phone can take pictures and videos, connected to the bracket can be more stable shooting.

★7. Applicable to a variety of scenes

Nature observation, wilderness adventure, outdoor sports, stargazing, bee hunting, sports competition, performance activities, etc.

60MM large objective lens

Experience the camera lens, ultra-wide angle large field of view.

What is the role of the objective lens aperture size?

The objective aperture is the most important parameter in measuring the performance of a telescope.

The size of the objective lens directly determines the light gathering ability of the telescope.

Three kinds of magnification continuous zoom

25X50X75X different magnification, to meet your different observation needs.

BAK4 high transmission prism

Effectively improve the light transmission, the image is clear.

What does a high transmission prism do?

A prism is a lens inside a telescope that converts an inverted image into a positive image.

The quality of the prism directly affects the quality of the image.

FMC multi-layer coating

Reduce color variation, light transmission rate up to 99%.

How does FMC multi-layer coating work?

FMC multi-layer coating can effectively reduce color variation and High reproduction, clear and more realistic picture.