Tamron SP 35-80mm F/2.8-3.8 Model 01A: Tamron's SP 35-80
F/2.8-3.8 zoom lens is, without question, the best zoom lens ever manufactured
within its class and price point. The sharpness and contrast of this lens is
extraordinary compared to similar after market lenses and many OEM lenses. Only
the similar Nikkor performs better, but not by very much. Macro performance
across the central two thirds of the film plane stands up very well against
dedicated macro lenses. Amazingly, this lens yields very good macro performance
across the entire film plane when used with Tamron's SP 2X
tele-converter. There is no push button or macro ring which must be turned to
enter the macro mode. The user merely has to continuously turn the focus ring
in order to focus from infinity to the minimum focus distance for macro work.
Tamron calls this feature "continuous focusing" or CF. While turning the focus
ring, the zoom ring will automatically turn as necessary until the zoom ring is
at the 80mm zoom setting.
This lens is an above average yet somewhat rare lens because,
shortly after its introduction, numerous other manufacturers and Tamron had
begun selling lenses with the more appealing 28-80 or 28-85 zoom ranges. Thus
sales of this lens were somewhat slow even though Tamron extended the
production of this lens by several years. The only notable optical defect
within this lens design is a slight excess of barrel distortion (around 2.5%)
at the 35mm position. This barrel distortion rapidly disappears to nearly zero
when zooming to the 80mm position. In other words, this lens delivers extremely
good optical performance, is quite versatile and is fairly compact. Lens flare
is very well controlled at all zoom settings.
f/2.8~3.8 32, AE
|Angle of View
(Groups / Elements)
|8 / 9
|Min. Focus from Film
||10.6" (0.27m) at f=80mm
|Macro Mag. Ratio [w/2X
||1:2.5 [1:1.25] at f=80mm
||13.6 oz. (386g)
||Push-on type #25FH (optional extra).
||Accepts SP 2X tele-converter #01F.