Irix 11mm f/4 Firefly Lens Specifications and Measurements

SpecificationsIrix 11mm f/4 Firefly Lens
  Irix 11mm f/4 Firefly Lens
Year Introduced2017
Mounts OnFull Frame, APS-C
Lenses / Groups16/10
Angle of View: Diagonal126°
 
Aperture  
Aperture Range - Wide / Long f/4.0-22
Number of Aperture Blades 9
Rounded Aperture? Y
 
Weight  
Manufacturer Specification Weight 25.8 oz  (730g)
Actual Weight 27.4 oz  (775g)
In-Use Weight 27.4 oz  (775g)
 
Size  
Manufacturer Spec Size (DxL) 4.06 x 4.65”  (103 x 118mm)
Measured Size (DxL) 4.04 x 4.68”  (103 x 118.9mm)
Max Length at Full Extension 4.68”  (118.9mm)
Internal Focusing? / Extends with Focusing? Y / N
Lens Hood Size (DxL) 4.04 x 1.85”  (102.7 x 47.1mm)
Lens Length with Hood (Min-Max) 4.68 - 4.68”  (118.9 - 118.9mm)
Size of Rings: Focus / Zoom 1.22”  (31.1mm)
Filter Size
Front Element (Filter Mount) Rotates N
 
Focus  
AF Motor Type
Full Time Manual Focus
Focus Ring Rotation 158°
Focus Limiter? / Focus Limiter Ranges
Distance Scale? / Type Y / Printed
 
Close Focus  
Specified Min Focus Distance 10.83”  (275mm)
Tested Min Focus Distance (Wide / Long) 9.8”  (249mm)
Maximum Magnification (MM) 0.08x
 
Features  
Tripod Ring Included? / Removable? N
Zoom Ring Lock Switch? N
Lens Hood Included / Model? Y / Integrated
Weather Sealed? / Filter Required? Y /
Image Stabilization? / Stops? / Tripod Sensing? N
Extender Compatible? N
Case Included? / Type? Y / Soft Lens Pouch Buy ►
47.25" x 31.5" Subject Framing Distance 11mm = 1.62'
1200mm x 800mm Subject Framing Distance 11mm = 495mm
 
Review Irix 11mm f/4 Firefly Lens
 
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Irix 11mm f/4 Firefly LensX
Irix 11mm f/4 Firefly Lens
Bryan Carnathan
by Bryan Carnathan
Manufacturer ID:
IL-11FF-EF

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