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Pentax 8x25 UP WP Compact Binocular - 61931 employs an innovative unibody design that locks the objective lenses into the body with the eyepieces set on a synchronized dual-axis mechanism that ensures they stay symmetrical in relation to the centre axis of the optic when adjusting the interpupillary distance. The 25mm objective lenses are fully multicoated to reduce reflection and maximize light transmission to produce the brightest images possible. Aspherical lens elements virtually eliminate distortion, especially around the edges, and corrects for lens astigmatism which can prevent sharp focusing.
Designed for easy carrying and stowing, the binocular features a lightweight fibreglass-reinforced polycarbonate housing that is corrosion and impact resistant. The housing material is also temperature-resistant allowing for its use in extreme climates while reducing expansion and contraction wide temperature variations can cause, which can make the optical components move out of collimation over time.
Its optical tubes are nitrogen-filled and O-ring sealed so they can are submersible to 3.3', as well as fogproof in all weather conditions.
Pentax 8x25 UP WP Compact Binocular - 61931 employs an innovative unibody design that locks the objective lenses into the body with the eyepieces set on a synchronized dual-axis mechanism that ensures they stay symmetrical in relation to the centre axis of the optic when adjusting the interpupillary distance. The 25mm objective lenses are fully multicoated to reduce reflection and maximize light transmission to produce the brightest images possible. Aspherical lens elements virtually eliminate distortion, especially around the edges, and corrects for lens astigmatism which can prevent sharp focusing.
Designed for easy carrying and stowing, the binocular features a lightweight fibreglass-reinforced polycarbonate housing that is corrosion and impact resistant. The housing material is also temperature-resistant allowing for its use in extreme climates while reducing expansion and contraction wide temperature variations can cause, which can make the optical components move out of collimation over time.
Its optical tubes are nitrogen-filled and O-ring sealed so they can are submersible to 3.3', as well as fogproof in all weather conditions.
Brand | Samyang |
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Focal Length | 24 mm |
Model | Samyang 24mm T1.5 ED AS UMC VDSLR II |
Aperture Range | T1.5 - T22 |
Lens type | Wide angle for Full frame or cropped sensors |
Camera Mount | Canon EOS Full Frame |
Focal Length | 24 mm |
Maximum Aperture | T1.5 |
Minimum aperture | T22 |
Minimum Focusing Distance | 0.25m |
Angle of View | 84.0 deg. (61.1 deg. for APS-C/DX) |
Minimum Focus Distance | 0.25m |
Number of Diaphragm Blades | 8 |
Angle Of View | 57.6 |
Focus Type | MF (Manual Focus only) |
Groups | 12 |
Lens Construction | 13 element, 12 groups (4 elements low-dispersion glass (ED) 2x Aspheric elements) |
Dimensions | 97.0mm x 83.0mm |
Filter Size | 77 mm |
Weight | 680 |
Filter Size | 77mm |
Elements | 13 |
Mount | Nikon, Sony E, MFT |
Maximum Diameter | 83mm |
Dimensions (DxL) | Length: 97.5mm |
Weight | 615 |
Optical Construction | 13 Elements in 12 Groups |
Maximum T-Stop | T1.5 |
Focus type | Manual Focus |
Angle of view | 84.0 deg. (61.1 deg. for APS-C/DX) |
Dimensions (max) | 97.0mm x 83.0mm |
Minimum focus distance | 0.25 m |
Filter size | 77 mm |
Number of diaphragm blades | 8 |
Weight | 680 g |
Minimum T-Stop | T22 |
Focal length | 24 mm |