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SA205 8x42 ED Flat-field Binoculars With BaK-4 Prism IP67 Waterproof For Birding

SKU: F9389A-
US$ 233.99

The SA205 8x42 ED glass binoculars is portable with IP67 waterproof function. It is FMC coating with large objective lens. It is excellent for birding.

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SA205 8x42 ED Flat-field Binoculars With BaK-4 Prism IP67 Waterproof


Flat Fileld Correction

The flat-field design can effectively control the edge distortion of the field of view, making your field of vision clear.


42mm Objective Lens

The large objective lens can gather more light to provide more clear image and increase your field of view range.


ED Glass

ED glass can eliminates chromatic aberration or color fringing, a visual defect common in binoculars. You'll enjoy razor-sharp images.


FMC Coating

It improves light transmittance; reduce light loss; allowing you to obtain clearer and brighter images and provide a better observation experience.


Large Eyepiece

Designed with large eyepieces, SA205 has strong light gathering ability; providing more realistic colors; a wider area of the sky can be seen simultaneously. Compared with 10x42 binoculars, 8x42 has larger eyepiece; exit pupil distance and field of view range. You can choose the suitable binoculars according to your needs.


Large Anti-slip Focusing Wheel

The smooth focusing handwheel ensures accurate and stable focusing with one hand; fast focus and easy to operate.


Right Visual Diopter Adjustment

Adjust visual balance for easier observation and convenient for people with myopia or presbyopia to see the effect directly without wearing glasses.


Rubber Protective Skin

Environmental protection rubber protective skin; protects your binoculars from damage; not sticky; not greasy; give you a better using experience.


Magnesium Alloy Body

The ED binoculars is light weight and corrosion resistant; superior to other materials and long use time.


Twist-up Eyecups

The twist-up eyecups give you a comfortable experience; it allows you to customize the eye relief to obtain a full field of view with or without glasses.


Phone Adapter Upgrade


IP67 Waterproof

The binoculars can also be used in bad weather; increasing the durability of the binoculars and extending its service life.


Neck Strap



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Model SA205 SA205
SKU F9389A F9389B
Objective lens type ED ED
Applied technology Flat field  Flat field 
Objective Diameter 42mm 42mm
Magnification 8X 10X
Prism Type Roof Roof
Prism Glass Material BAK4 BAK4
Armor material Rubber Rubber
Coating condition Fully multi-coated Fully multi-coated
Diameter Of The Eyepiece 23.5mm 20.8mm
Eye Relief  20mm 17mm
Exit pupil  Ø5.25mm Ø5.25mm
Field of View 7.7° 6.4°
Field of view  (at 1000yds)403.8ft (at 1000yds)403.8ft
Field of view  (at 1000M)134.6m (at 1000M)134.6m
Min. Focal length 2m 2m
Diopter system Right Eyepiece Right Eyepiece
Diopter comp ±5 ±5
Resolution ≤4.8" ≤4.8"
Inter pupillary distance 56-77mm 56-77mm
Focus System Center Center
Waterproof IP67 (1.5 meter / 3 Min) IP67 (1.5 meter / 3 Min)
Eyecups Twist-up Twist-up
Tripod Adapter interface Yes Yes
Color Black Black
Net Weight 690g  700g 
Dimension 135x129x52mm 135x129x52mm


1. Flat field correction; 
2. ED glass; 
3. FMC coating; 
4. Accessories upgrade; equipped with phone holder for random shooting;
5. Magnesium alloy mirror body; 
6. Large eyepieces; 
7. Diopter adjustment;
8. IP67 waterproof; 
9. Large anti-slip focusing wheel; 
10. Environmental protection rubber protective skin; 
11. Twist-up eyecups.

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