differences

Reasons to consider the Rokinon 7.5mm f/3.5

Much wider aperture f/3.5 vs f/8
Help
At its widest, the 7.5mm f/3.5 captures much more light (2.4 f-stops)
Rokinon 7.5mm f/3.5 Learn more about
the Rokinon 7.5mm f/3.5

Reasons to consider the Olympus 9mm f/8 Body Cap

Shorter 13 mm vs 48 mm
Help
3.7x shorter
Slightly smaller diameter 56 mm vs 60 mm
Help
Around 10% smaller lens at the end
Slightly lighter 30 g vs 197 g
Help
6.6x lighter
Olympus 9mm f/8 Body Cap Learn more about
the Olympus 9mm f/8 Body Cap

similarities

Compared to digital camera lenses

Common Strengths Common Weaknesses
Fisheye Both are fisheye lenses Help
Extremely wide circular images
Diameter Small diameters Help
7.5mm f/3.560 mm
9mm f/8 Body Cap56 mm
Prime lens Fixed focal length prime lenses Help
Typically very sharp
Length Short Help
7.5mm f/3.548 mm
9mm f/8 Body Cap13 mm
Min focal length Good wide-angle Help
7.5mm f/3.57.5 mm
9mm f/8 Body Cap9 mm
Auto focus Auto focus Help
Focus yourself
Max focal length Poor telephoto Help
7.5mm f/3.57.5 mm
9mm f/8 Body Cap9 mm

Compared to digital camera lenses

Common Strengths Common Weaknesses

LensHero is not aware of any interesting strengths shared by these two products.

LensHero is not aware of any interesting weaknesses shared by these two products.

competitors

Olympus 9mm f/8 Body Cap Competitors

Olympus 15mm f/8 Body Cap

Olympus 15mm f/8 Body Cap

Lens

$73

Fisheye Not a fisheye
Samyang 7.5mm f/3.5 UMC MFT

Samyang 7.5mm f/3.5 UMC MFT

Fisheye lens

$219

Aperture Much wider aperture
Length Longer
Sigma 19mm f/2.8 DN

Sigma 19mm f/2.8 DN

Lens

$169

Aperture Much wider aperture
Auto focus Auto focus
Fisheye Not a fisheye

Rokinon 7.5mm f/3.5 Competitors

Placeholder

Olympus M.Zuiko ED 8mm f/1.8 PRO

Fisheye lens

$337 - $899

Auto focus Auto focus
Aperture Significantly wider aperture
Length Longer
Samsung 20mm f/2.8 Pancake

Samsung 20mm f/2.8 Pancake

Lens

Auto focus Auto focus
Aperture Wider aperture
Fisheye Not a fisheye
Samyang 7.5mm f/3.5 UMC MFT

Samyang 7.5mm f/3.5 UMC MFT

Fisheye lens

$219

discussion Which do you think is better?

Speech is free, but discussion at LensHero is moderated! Please discuss your opinion of these lenses here, and discuss feedback for LensHero at our support community.

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