ALOT Enterprises Company Ltd.ProductsOWIA 28mm Series

OWIA 28mm 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. φ28mm
TYPE OF PRISM BaK4
PRISM COATING yes
NUMBER OF LENS 7pieces/5groups
LENS COATING FBMC
FOCUS SYSTEM cent.
FOCUSING LENS int.
EXIT PUPIL DIAMETER φ3.5mm
EXIT PUPIL DIST. 17.9mm
FIELD OF VIEW 6.25°, 327ft, 109m
MIN. FOCAL LENGTH 4m
RESOLUTION 7"
DIOPTER SYSTEM Right Eyepiece
DIOPTER COMP. ±4
WATER PROOF 1m/30 minutes
NITROGEN FILLED Yes
EYECUPS SYSTEM Twist-up
POUCH Yes
STRAP Yes
CLEANING CLOTH Yes
SILICA GEL Yes
UNIT DIAMENSION 120x120x40(mm)
UNIT WEIGHT 550g
POWER 10x
OBJ.LENS DIA. φ28mm
TYPE OF PRISM BaK4
PRISM COATING yes
NUMBER OF LENS 7pieces/5groups
LENS COATING FBMC
FOCUS SYSTEM cent.
FOCUSING LENS int.
EXIT PUPIL DIAMETER φ2.9mm
EXIT PUPIL DIST. 14mm
FIELD OF VIEW 5.2°, 272ft, 91m
MIN. FOCAL LENGTH 4m
RESOLUTION 7"
DIOPTER SYSTEM Right Eyepiece
DIOPTER COMP. ±4
WATER PROOF 1m/30 minutes
NITROGEN FILLED Yes
EYECUPS SYSTEM Twist-up
POUCH Yes
STRAP Yes
CLEANING CLOTH Yes
SILICA GEL Yes
UNIT DIAMENSION 120x120x40(mm)
UNIT WEIGHT 550g

– 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. φ28mm
TYPE OF PRISM BaK4
PRISM COATING yes
NUMBER OF LENS 7pieces/5groups
LENS COATING FBMC
FOCUS SYSTEM cent.
FOCUSING LENS int.
EXIT PUPIL DIAMETER φ3.5mm
EXIT PUPIL DIST. 17.9mm
FIELD OF VIEW 6.25°, 327ft, 109m
MIN. FOCAL LENGTH 4m
RESOLUTION 7"
DIOPTER SYSTEM Right Eyepiece
DIOPTER COMP. ±4
WATER PROOF 1m/30 minutes
NITROGEN FILLED Yes
EYECUPS SYSTEM Twist-up
POUCH Yes
STRAP Yes
CLEANING CLOTH Yes
SILICA GEL Yes
UNIT DIAMENSION 120x120x40(mm)
UNIT WEIGHT 550g
POWER 10x
OBJ.LENS DIA. φ28mm
TYPE OF PRISM BaK4
PRISM COATING yes
NUMBER OF LENS 7pieces/5groups
LENS COATING FBMC
FOCUS SYSTEM cent.
FOCUSING LENS int.
EXIT PUPIL DIAMETER φ2.9mm
EXIT PUPIL DIST. 14mm
FIELD OF VIEW 5.2°, 272ft, 91m
MIN. FOCAL LENGTH 4m
RESOLUTION 7"
DIOPTER SYSTEM Right Eyepiece
DIOPTER COMP. ±4
WATER PROOF 1m/30 minutes
NITROGEN FILLED Yes
EYECUPS SYSTEM Twist-up
POUCH Yes
STRAP Yes
CLEANING CLOTH Yes
SILICA GEL Yes
UNIT DIAMENSION 120x120x40(mm)
UNIT WEIGHT 550g

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