Comparison of Olympus 9mm f/8 BCL-0980 Fisheye Body Cap Lens and Pentax 6.3mm f/7.1 04 Toy Wide

Attribute	Olympus 9mm f/8 BCL-0980 Fisheye Body Cap Lens ×	Pentax 6.3mm f/7.1 04 Toy Wide ×
Weight (g)	30	21
Type	Body Cap Pancake Prime	Wide Prime (Toy Camera Effect)
Brand	Olympus	Pentax
Name	Olympus 9mm f/8 BCL-0980 Fisheye Body Cap Lens	Pentax 6.3mm f/7.1 04 Toy Wide
Focal Length (mm)	9.00	6.30
Image Circle	Image Circle	Pentax Q-mount
Closest Focus (m)	0.2	0.07
35mm Equivalent	18mm	-
Notes	Available in black or silver. Includes Lens Rear Cap (LR-2).	For use with Pentax Q compact system camera. Fixed aperture design. Exposure controlled via camera electronic shutter.
Magnification Ratio (x)	0.046	0.15
Aperture (f)	8.00	7.10
Diagonal Angle of View (degree)	140.00	64.00
Diameter (mm)	56	41
Focus Details	-	Manual
Lens Construction	5 elements in 4 groups, including 2 aspherical elements	4 elements in 3 groups
APS Equivalent	-	35mm
Length (mm)	13	25.4