Tamron SP AF 90mm F2.8 Di Macro: Lens Review 

Amazon - amzn.to/3IAk0nL (USA/Can/Europe)
Released in 2004 the 90mm Macro from Tamron is still available new at a fairly reasonable price, and also on the second hand market. I show the lens in detail, and test the optical performance (on full frame and APS-C), and discuss the strengths and weaker points of this 1:1 macro lens
Key specs:
Filter size 55mm
Format Full frame/35mm/FX
Construction 9 elements in 10 groups
Angle-of-view 27°
35mm equivalent focal length 90mm, 135mm equivalent on APS-C (Nikon/Pentax/Sony), 144mm (Canon) on APS-C body
Internal focusing No
Image stabilisation No
Minimum focus 29cm
Maximum aperture f/2.8
Minimum aperture f/32
Weight 405g
Size 95x71.5mm
In the box Circular lens hood, soft lens pouch