27 (with Full Size SLR Cameras)17 (with APS-C Sized Sensor Digital SLR Cameras)
General Features
Brand
Pentax
Tamron
Model Name
21530
SP 90 mm Macro F/2.8 Di VC USD (For Nikon)
Lens Type
Macro
Macro
Filter Attachment Size
--
58 mm
Lens
Minimum Aperture
32
F/32
View Angle
47 Degrees
27 (with Full Size SLR Cameras), 17 (with APS-C Sized Sensor Digital SLR Cameras)
Lens Construction - Elements/Groups
--
11-14
Maximum Aperture
--
F/2.8
Performance
Minimum Focal Length
50-69 mm
--
Focal Length
--
90
Aperture with Max Focal Length
--
f/2.8
Aperture with Min Focal Length
--
f/32
Maximum Focal Length
--
90 mm
Minimum Focusing Distance
--
0.3 m
Maximum Magnification
--
01:01:00
Dimensions
Dimensions
15.7 x 10.4 x 10.4 cm
76.4 x 122.9 mm (Diameter x Length)
Weight
263 g
550 g
Other Features
Additional Features
A floating lens system is used for providing superior delineation performance from the minimum shooting distance to the infinity end, MF operation was enhanced for enabling quick and precise focusing