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Irix 11 mm f/4 Blackstone

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Specifications:
Manufacturer Irix
Model 11 mm f/4 Blackstone
Lens style Wide angle
Focal length 11 mm
Maximum aperture f/4
Angle of view 126 o
Closest focusing distance 0.28 m
Maximum magnification
Minimum aperture 22
Number of diaphragm blades 9
Auto focus type MF
Lens Construction 16 elements / 10 groups
Filter diameter 0 mm
Macro No
Available mounts Canon EF
Nikon F
Pentax K
Dimensions 118 x 103 mm
Weight 815 g
Additional information Announced: 2.03.2017
Size and wieght for Canon version 3 aspherical elements, 4 HR elements, 2 ED elements
Average rating (1 owners reviews)
Build quality
Optical quality
Value for money

Overall

3.67 Average
Owners reviews (1)
  1. Cornelis
    Cornelis 17 January 2018, 12:49
    Build quality
    Optical quality
    Value for money

    Overall

    IP 77.169.x.x
    Owner since: 1 year
    Price: 860 euro
    User profile: Amateur

    Cons: Very poor lenscap

    Pros: Wide, So wide jou stop wishing for something wider Sharp, not really less than my TSE4/17

    Summary: All you need for wide Not to be an one walkaround lens but a good pair with a 24-105 mm

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