Tamron SP AF 20-40mm f/2.7-3.5 Aspherical (IF)

This camera glass has a good build quality and is made with high-quality lens elements that reduce aberrations and increase sharpness. The lens coating helps to reduce flare and ghosting, ensuring good contrast and color accuracy. The autofocus system is fast and accurate, but it also has a manual focus option for more control. The aperture ranges from f/2.7 to f/3.5, providing good low-light performance and depth of field control. This photographic lens has a good resolution, producing sharp and detailed images. It is a good alternative to other prime zoom lenses in the market, such as the Canon EF 24-70mm f/2.8L II USM or the Nikon AF-S NIKKOR 24-70mm f/2.8E ED VR. The Tamron SP AF 20-40mm f/2.7-3.5 Aspherical (IF) lens was manufactured some years ago, but it is still a good option for photographers who want a versatile and high-quality lens for their full-frame camera. The bokeh, or the quality of the out-of-focus areas, is good, producing smooth and creamy backgrounds.

of Tamron SP AF 20-40mm f/2.7-3.5 Aspherical (IF) camera lens.

Positives:
– Affordable lens with promising performance.
– Excellent build quality that is reliable for outdoor shooting.
– Image quality is impressive with sharpness throughout the focal range.
– The lens offers a unique orange flare that is great for video work.

Negatives:
– Focusing is noisy, which might be a problem for some photographers.
– The lens coating is not up to the mark, and it struggles with lens flare issues.
– Direct light or direct sunlight should be avoided for optimal performance.

Conclusion:
Tamron SP AF 20-40mm f/2.7-3.5 Aspherical (IF) camera lens is a budget lens that offers an excellent build and image quality. Despite its shortcomings in focusing and lens flare issues, the lens’s unique strengths make it a promising option for outdoors enthusiasts and videographers. However, photographers should avoid direct light or use proper precautions while shooting to get the best performance out of the lens.

Optical design

Has 6 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle.

Physical characteristics

77 mm lens filter diameter, commonly filter size, you have plenty of possibilities this lens deserves a good quality filter. 81 mm long, requires consideration if you want to carry in the camera bag. Weights 525 grams so plan ahead, carry only if really necessary.