As Tamron’s macro has a focal length of 90mm rather than 100mm or 105mm, the lens has to be slightly closer than would otherwise be the case to record a true macro (1:1) image.
Tamron SP AF 90mm f/2.8 Di Macro Review
Sample images
Details
Maximum Format Size:Full-frame
Focal Length:90mm
Dimensions:71mm x 97mm
Weight:405g
Maximum Aperture:f/2.8
Lens Construction:10 elements / 9 groups
Minimum Focus:0.29m
Maximum Magnification:1:1
Other:Focus limiterLens hood & draw-string soft pouch included
Sample Photos: See sample image gallery
Minimum Aperture:f/32
Lens Mount:Canon, Nikon, Pentax, Sony, Minolta
Focus Method:AF and M
Filter Thread:55mm