Compare Laowa 15mm f/4 1:1 Macro vs Pentax-D FA 21mm F2.4ED vs Pentax-D FA* 50mm F1.4

Construction

Aperture Blades
14 blades
8 blades, Rounded diaphragm
9 blades
Colors
Black
Black, Silver
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring
Distance scale, DoF scale
Distance scale
Lens Mount
Canon EF-mount, Leica L-mount, Nikon F-mount, Pentax K-mount, Sony A-mount, Sony E-mount
Pentax K-mount
Pentax K-mount
Material
Aluminum
Motor
Ring-type ultrasonic
Optical Formula | Elements
12 elements
11 elements
15 elements
Optical Formula | Groups
9 groups
8 groups
9 groups
Optical Formula | Special Glass
Three high refractive and one ED element groups
4 ED elements, 1 Super ED element groups
1 aspherical + 3 anamalous dispersion elements, Aero Bright II + HD + Super Protect coatings groups

Dimensions

Filter Diameter
77 mm / 3.03 in
67 mm / 2.64 in
72 mm / 2.83 in
Size | Diameter
84 mm / 3.31 in
74 mm / 2.91 in
80 mm / 3.15 in
Size | Length
65 mm / 2.56 in
89 mm / 3.50 in
106 mm / 4.17 in
Weight
410 g / 14.49 oz
416 g / 14.70 oz
910 g / 32.16 oz

Function

Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
Aperture
f/4 ~ f/32
f/2.4–22 ~ f/2.4–22
f/1.4 ~ f/16
Autofocus
No
Yes
Yes
Focal Length
15 mm
21 mm
50 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
Yes

Performance

Max Magnification
1x
0.26x
0.18x
Min Focus Distance
470 mm / 18.50 in
180 mm / 7.09 in
400 mm / 15.75 in

Production

Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2015-06-23
2021-10-21
2017-10-26
Made In
China

Reviews

Neofiliac score
50%
76%
68%
Pros
  • 1:1 reproduction
  • One of the widest macro lens for FF
  • Unique +/- 6mm shift feature
  • Weather-sealed
  • Great image quality
  • 8-bladed aperture for sunstars
  • Bright maximum aperture
  • Weather-sealed
  • Very sharp
Cons
  • Dark maximum aperture
  • Lacks weather sealing
  • No EXIF communication
  • On the heavy side
  • Slow autofocus

Price

Offers (incl. referral links)
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