Samyang 8mm f/3.5 Aspherical IF MC Fish-eye

Summary

The Samyang 8mm f/3.5 Aspherical IF MC Fish-eye is a solid optical performer — a ultra-wide prime (12mm equivalent) with f/3.5 maximum aperture. The lens is priced at approximately ~$500 USD. Please check the official product page for sample images, manuals, and firmware updates.

Genre Suitability

  • Excellent for: Travel, Wildlife
  • Adequate for: Landscape, Sport
  • Avoid for: Nightscape, Architecture, Street, Macro

Strengths

  • Good overall sharpness
  • Good flare resistance

Weaknesses

  • Noticeable lateral CA toward the corners
  • Heavy distortion requiring software correction
  • Low macro capability (0.14x magnification)

Specifications 18/20

Optical construction 10 elements in 7 groups (1 aspherical)
Coating MC
Focal length8mm
Max aperturef/3.5
Sweet spot f/5.6
Aperture blades 6
Sunstar points 6 (sharp — straight blades)
Max magnification 0.14x
Min focus distance300mm
AF motorManual focus
OISNo
Weather sealedNo
Aperture ringYes
Clickless apertureNo
Focus ringYes
Focus by wireNo
Distance scaleYes
Rotating frontNo
Tripod mountNo
Weight400g
Diameter77.8mm
Length101.4mm
Filter thread
Year2014

MTF Charts

f/3.5 0.0 0.2 0.4 0.6 0.8 1.0 C 2 4 6 8 10 12 14 Image height (mm)
10 lp/mm S 10 lp/mm M 30 lp/mm S 30 lp/mm M
Position 10S 10M 30S 30M
Center 0.94 0.93 0.75 0.76
2mm 0.94 0.94 0.77 0.75
4mm 0.94 0.94 0.78 0.75
6mm 0.94 0.94 0.79 0.74
8mm 0.94 0.94 0.77 0.70
10mm 0.94 0.94 0.72 0.73
12mm 0.92 0.89 0.65 0.50
14mm 0.90 0.90 0.60 0.47
f/8 0.0 0.2 0.4 0.6 0.8 1.0 C 2 4 6 8 10 12 14 Image height (mm)
10 lp/mm S 10 lp/mm M 30 lp/mm S 30 lp/mm M
Position 10S 10M 30S 30M
Center 0.99 0.98 0.94 0.95
2mm 0.99 0.98 0.96 0.93
4mm 0.99 0.98 0.98 0.90
6mm 0.99 0.97 0.99 0.83
8mm 0.99 0.95 0.98 0.73
10mm 0.98 0.94 0.93 0.61
12mm 0.97 0.90 0.88 0.50
14mm 0.97 0.86 0.87 0.42

Source: Official manufacturer specifications

Optical Quality 11/14

Center (wide open)
1.5
Corner (wide open)
1.5
Center (stopped)
2.0
Corner (stopped)
1.5
Coma
1.0
Astigmatism
1.5
Spherical aberration
1.5
Lateral CA
0.5
Distortion
0.0
Vignetting (wide open)
1.5
Flare resistance
1.5

Sharpness

  • Good center sharpness wide open
  • Good corner performance wide open
  • Outstanding center resolution stopped down
  • Good corner-to-corner sharpness stopped down

Aberrations

  • Noticeable lateral CA toward the corners
  • Moderate coma at the extreme corners
  • Well-controlled astigmatism
  • Well-corrected spherical aberration

Rendering

  • Mild vignetting wide open
  • Good flare resistance

Distortion

  • Heavy distortion requiring software correction

All optical scores are based on lab measurements and field tests from trusted review sources. For details on how we score lenses, see our scoring methodology.

Genre Fit

Nightscape Photography 2/5

Nightscape Photography prioritizes coma control, astigmatism correction, and a fast aperture for short star exposures.

Primary
  • Moderate coma at the extreme corners
  • Well-controlled astigmatism
  • Slow f/3.5 aperture
Secondary
  • Noticeable lateral CA toward the corners
  • Good center sharpness wide open
  • Good corner performance wide open
  • Mild vignetting wide open
  • Well-corrected spherical aberration

~ Landscape Photography 3.5/5

Landscape Photography prioritizes corner-to-corner sharpness at stopped-down apertures and good flare resistance.

Primary
  • Good corner-to-corner sharpness stopped down
  • Outstanding center resolution stopped down
Secondary
  • Heavy distortion requiring software correction
  • Noticeable lateral CA toward the corners
  • Good flare resistance
  • Well-controlled astigmatism
  • Moderate coma at the extreme corners

Architecture Photography 1/5

Architecture Photography prioritizes geometric precision with minimal distortion and even corner sharpness.

Primary
  • Good corner-to-corner sharpness stopped down
  • Outstanding center resolution stopped down
  • Heavy distortion requiring software correction
Secondary
  • Noticeable lateral CA toward the corners
  • Good flare resistance

Street Photography 2/5

Street Photography prioritizes sharp stopped-down performance and a fast enough aperture for low light.

Primary
  • Outstanding center resolution stopped down
  • Slow f/3.5 aperture
Secondary
  • Good center sharpness wide open
  • Good flare resistance
  • Moderate coma at the extreme corners

Travel Photography 4/5

Travel Photography prioritizes balanced image quality in a lightweight package.

Primary
  • Outstanding center resolution stopped down
  • Lightweight at 400g
Secondary
  • Slow f/3.5 aperture
  • Good flare resistance

~ Sport Photography 3/5

Sport Photography prioritizes sharp wide-open center performance to freeze action at fast shutter speeds.

Primary
  • Good center sharpness wide open
Secondary
  • Slow f/3.5 aperture
  • Noticeable lateral CA toward the corners

Wildlife Photography 4/5

Wildlife Photography prioritizes center sharpness across apertures for distant subjects.

Primary
  • Good center sharpness wide open
  • Outstanding center resolution stopped down
Secondary
  • Slow f/3.5 aperture
  • Noticeable lateral CA toward the corners

Macro Photography 1/5

Macro Photography prioritizes stopped-down center sharpness and high magnification for close-up detail.

Primary
  • Outstanding center resolution stopped down
  • Low magnification (0.14x)
Secondary
  • Heavy distortion requiring software correction
  • Noticeable lateral CA toward the corners
  • Well-corrected spherical aberration

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