ALOT Enterprises Company Ltd.ProductsOWIA 25mm Series

OWIA 25mm Series

– Nitrogen filled waterproof, fogproof and shockproof
– Internal focus design high grade optics
– Very high precision mechanical construction
– Long eyerelief with twist up eye-cup
– Special coating for very bright image
– Silver coated BaK-4 prism while also available phase coated as optional

This Series available with OWIA 0825, 1025, 0828, 1028, 0832, 1032, 0842 and 1042

POWER 8x
OBJ.LENS DIA. φ25mm
TYPE OF PRISM BaK4
PRISM COATING yes
NUMBER OF LENS 7pieces/5groups
LENS COATING FBMC
FOCUS SYSTEM cent.
FOCUSING LENS int.
EXIT PUPIL DIAMETER φ3.2mm
EXIT PUPIL DIST. 15.8mm
FIELD OF VIEW 6.8°, 357ft, 119m
MIN. FOCAL LENGTH 2.0m
RELATIVE BRIGHTNESS 10.24
TWILIGHT INDEX 14.14
RESOLUTION 7"
DIOPTER SYSTEM Right Eyepiece
DIOPTER COMP. ±3.5
WATER PROOF 1m/5 minutes
NITROGEN FILLED Yes
EYECUPS SYSTEM Twist-up
POUCH Yes
STRAP Yes
CLEANING CLOTH Yes
SILICA GEL Yes
UNIT DIAMENSION 120x107x42(mm)
UNIT WEIGHT 0.4kgs
POWER 10
OBJ.LENS DIA. φ25mm
TYPE OF PRISM BaK4
PRISM COATING yes
NUMBER OF LENS 7pieces/5groups
LENS COATING FBMC
FOCUS SYSTEM cent.
FOCUSING LENS int.
EXIT PUPIL DIAMETER φ2.56mm
EXIT PUPIL DIST. 13.7mm
FIELD OF VIEW 5.4°, 285ft, 95m
MIN. FOCAL LENGTH 2.0m
RELATIVE BRIGHTNESS 6.55
TWILIGHT INDEX 15.81
RESOLUTION 7"
DIOPTER SYSTEM Right Eyepiece
DIOPTER COMP. ±3.5
WATER PROOF 1m/5 minutes
NITROGEN FILLED Yes
EYECUPS SYSTEM Twist-up
POUCH Yes
STRAP Yes
CLEANING CLOTH Yes
SILICA GEL Yes
UNIT DIAMENSION 120x107x42(mm)
UNIT WEIGHT 0.4kgs

– Nitrogen filled waterproof, fogproof and shockproof
– Internal focus design high grade optics
– Very high precision mechanical construction
– Long eyerelief with twist up eye-cup
– Special coating for very bright image
– Silver coated BaK-4 prism while also available phase coated as optional

This Series available with OWIA 0825, 1025, 0828, 1028, 0832, 1032, 0842 and 1042

POWER 8x
OBJ.LENS DIA. φ25mm
TYPE OF PRISM BaK4
PRISM COATING yes
NUMBER OF LENS 7pieces/5groups
LENS COATING FBMC
FOCUS SYSTEM cent.
FOCUSING LENS int.
EXIT PUPIL DIAMETER φ3.2mm
EXIT PUPIL DIST. 15.8mm
FIELD OF VIEW 6.8°, 357ft, 119m
MIN. FOCAL LENGTH 2.0m
RELATIVE BRIGHTNESS 10.24
TWILIGHT INDEX 14.14
RESOLUTION 7"
DIOPTER SYSTEM Right Eyepiece
DIOPTER COMP. ±3.5
WATER PROOF 1m/5 minutes
NITROGEN FILLED Yes
EYECUPS SYSTEM Twist-up
POUCH Yes
STRAP Yes
CLEANING CLOTH Yes
SILICA GEL Yes
UNIT DIAMENSION 120x107x42(mm)
UNIT WEIGHT 0.4kgs
POWER 10
OBJ.LENS DIA. φ25mm
TYPE OF PRISM BaK4
PRISM COATING yes
NUMBER OF LENS 7pieces/5groups
LENS COATING FBMC
FOCUS SYSTEM cent.
FOCUSING LENS int.
EXIT PUPIL DIAMETER φ2.56mm
EXIT PUPIL DIST. 13.7mm
FIELD OF VIEW 5.4°, 285ft, 95m
MIN. FOCAL LENGTH 2.0m
RELATIVE BRIGHTNESS 6.55
TWILIGHT INDEX 15.81
RESOLUTION 7"
DIOPTER SYSTEM Right Eyepiece
DIOPTER COMP. ±3.5
WATER PROOF 1m/5 minutes
NITROGEN FILLED Yes
EYECUPS SYSTEM Twist-up
POUCH Yes
STRAP Yes
CLEANING CLOTH Yes
SILICA GEL Yes
UNIT DIAMENSION 120x107x42(mm)
UNIT WEIGHT 0.4kgs

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