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Pentax's 10x50 S-Series SP Binocular features large oversized fully multicoated 50mm objectives to reduce reflection and maximize light transmission through the entire optical path. Utilizing the traditional porro prism configuration gives scenes a rich depth of view for an immersive observation experience and provides a comfortable feel in the hand with a lot of surface area to maintain a sure grip. The large objectives and coatings maximize the amount of light getting to the user's eyes for exceptional low-light capabilities, and its high 10x magnification provides an immersive observation experience whether users are bird watching or comet hunting.
Large objective lenses incorporated in the design allow for contrast-rich, bright viewing under all light conditions.
Premium multi-layer coatings assure the maximum light transmission through the binocular. The result is bright, crisp, true-to-life images in the widest range of viewing conditions.
Rigid body construction makes these binoculars extremely rugged to maintain optical alignment. This ensures comfortable viewing throughout the life of the product.
Optical Performance
Use and Handling
Construction Details
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Product Type
Porro Prism, Center Focus binocular
Focusing Range
18.15 feet - infinity
Prism
Porro
Objective Lens Diameter
50mm
Specifications
10X
Real Field Of View
5.0 degrees
Field Of View At 1000m
87 meters
Binocular Type
Porro Prism
Field Of View At 1000y
287.1 feet
Exit Pupil
5.0mm
Eye Relief
20mm
Relative Brightness
25.0
Eyepiece Ring
Helicoid
Body Color
Black
Height Width
7.0x7.2 inches
Thickness
3.1 inches
Weight
37.4 ounces
Waterproof
No
Minimum Focusing Distance
18.15 feet
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This is absolutely perfect for bird watching and amateur star-gazing. The clarity is quite stunning. Very happy with the product.