2. Maximum Aperture: The lens features a variable maximum aperture ranging from f/3.5 at 24mm to f/5.6 at 135mm. While not particularly fast, this aperture range allows for shooting in different lighting conditions and provides some control over depth of field.

3. SP (Super Performance) Designation: The SP designation indicates Tamron's premium line of lenses known for their high optical performance, build quality, and features.

4. Autofocus (AF): The lens features autofocus capability, allowing for quick and accurate focusing. This is particularly useful for capturing fast-moving subjects or when shooting in challenging conditions.

5. Internal Focusing (IF): Internal focusing design means that the lens barrel does not extend or rotate during focusing, which helps maintain its compact size and makes it easier to use with polarizing filters.

6.Minimum Focus Distance: The lens has a minimum focus distance of around 0.49m (19.3 inches) throughout the zoom range, enabling close-up photography of subjects.

7.Optical Construction: The lens incorporates multiple specialized glass elements, including aspherical and low dispersion elements, to minimize various optical aberrations such as distortion, chromatic aberration, and spherical aberration, resulting in sharp and high-contrast images.

8.Vibration Compensation (VC): Some versions of this lens may include Tamron's Vibration Compensation technology, which helps to minimize the effects of camera shake, particularly useful when shooting handheld or in low-light conditions.

9. Compatibility: The lens is available in different mounts to fit various camera brands, including Canon, Nikon, and Sony.

10. Compact and Lightweight: Despite its wide zoom range, the lens is relatively compact and lightweight, making it convenient for travel and everyday photography.