Comparison of Pentax 8.5mm f/1.9 01 Standard Prime and Pentax 18mm f/8 06 Toy Telephoto

Attribute	Pentax 8.5mm f/1.9 01 Standard Prime ×	Pentax 18mm f/8 06 Toy Telephoto ×
Notes	For use with Pentax Q compact system camera. Lens shutter. ND filter (2 stops light reduction). PENTAX SP (Super Protect) coating. Optional MH-RA len	For use with Pentax Q compact system camera. Fixed aperture design. Exposure controlled via camera electronic shutter.
Magnification Ratio (x)	0.05	0.08
Filter Size (mm)	5	-
Focus Details	Autofocus with electronic manual focus	Manual
Closest Focus (m)	0.2	0.27
Lens Construction	8 elements in 5 groups, including 2 Aspherical elements	3 elements in 3 groups
Length (mm)	23	20
Focal Length (mm)	8.50	18.00
APS Equivalent	47mm	100mm
Brand	Pentax	Pentax
Image Circle	Pentax Q-mount	Pentax Q-mount
Name	Pentax 8.5mm f/1.9 01 Standard Prime	Pentax 18mm f/8 06 Toy Telephoto
Weight (g)	37	18
Type	Standard Prime	Telephoto Prime (Toy Camera Effect)
Aperture (f)	1.90 - 8.00	8.00
Diaphragm Blades	5	-
Diagonal Angle of View (degree)	49.50	24.50
Diameter (mm)	46	41