
Benoison
The Benoison 420‑800mm Telephoto Lens is a manual‑focus zoom for Sony E‑mount mirrorless cameras offering super‑telephoto reach at a low price. It provides a fixed aperture of f/8.3‑f/16, works with IBIS and focus‑peaking, but lacks stabilization, autofocus and suffers image‑quality loss at the long end.
Pros
Current
$67.99
Average
$65.32
Lowest
$51.67
Highest
$67.99
Lower = better sales rank
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Cons
From Expert Reviews
Praised by Experts
Criticized by Experts
From User Reviews
Users Love
Users Complain About
Expert Opinion
Professional reviewers describe the Benoison as a budget manual zoom that offers an affordable entry into the 420‑800mm range but falls short for serious work. They note that while it can produce acceptable results on the short end and with IBIS assistance, the lack of stabilization, slow fixed aperture, and significant loss of sharpness at 800mm limit its usefulness to hobbyists. Reviewers recommend faster lenses for pros and suggest using a tripod and fast shutter speeds when using this lens.
What Users Say
Everyday users appreciate the lens for its low cost and ability to reach super‑telephoto distances, especially for casual wildlife and bokeh‑focused shots. However, they commonly complain about the heavy weight, the difficulty of manual focusing, poor low‑light performance, and noticeable softness and vignetting at the long end, making it less suitable for demanding situations.
Common Complaints
Blur from camera shake at long focal lengths, difficulty mastering manual focus, heavy and unwieldy handling, poor low‑light performance due to f/8.3‑f/16 aperture, and significant image‑quality degradation (softness, vignetting, resolution loss) at 800mm.
What People Are Saying
“Suitable only for hobbyists due to blurriness without stabilization, manual focus hassle, low‑light struggles, weight, and mediocre quality at 800mm—recommending upgrades for pros.”
“Sharpest on 3D subjects via field curvature's bokeh but poor for landscapes/flat scenes; resolution drops off‑center and faster at 800mm, with visible vignetting; advises mirrorless IBIS but fast shutters (1/500s).”
How It Compares
vs. Sony 200‑600mm f/5.6‑6.3 G OSS
Advantages
Disadvantages
Choose the Sony 200‑600mm for professional or serious wildlife work; choose the Benoison for a low‑cost, hobbyist‑focused solution.
vs. Sony 400‑800mm f/6.3‑8
Advantages
Disadvantages
The Sony 400‑800mm is ideal for users needing better performance and convenience, while the Benoison remains the budget option for learning and occasional tripod work.