Desiontal
The Desiontal 420-800mm f/8.3-16 is a budget manual super‑telephoto zoom lens for DSLR/SLR cameras that uses a T‑mount adapter. It offers extreme reach with a push‑pull zoom, metal construction and multi‑coated optics, but lacks autofocus, image stabilization and has a very slow aperture.
Pros
Current
$56.94
Average
$60.06
Lowest
$56.94
Highest
$60.29
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 see the Desiontal 420‑800mm as a surprisingly capable entry‑level super‑zoom for bright‑day shooting, commending its solid metal build and decent sharpness at the short end, but they consistently criticize its slow aperture, lack of autofocus and stabilization, and the degradation of image quality at the long end, limiting its usefulness to niche, well‑lit scenarios.
What Users Say
Everyday users love the lens for its extreme reach and rugged feel at a low price, especially for moon and distant wildlife shots in good light, but they repeatedly complain about the difficulty of manual focusing, the need for a tripod due to lack of stabilization, and the softness and dim view at the longest focal lengths.
Common Complaints
Slow manual focus, lack of stabilization, softness beyond 600mm, very dim viewfinder at f/16, and the basic push‑pull zoom mechanism that darkens the image when fully extended.
How It Compares
vs. Canon EF 100-400mm f/4.5-5.6L
Advantages
Disadvantages
Choose the Canon for professional wildlife or action work; choose the Desiontal for cheap, tripod‑based experiments in bright light.
vs. Sigma 150-600mm f/5-6.3
Advantages
Disadvantages
Sigma is the better choice for serious telephoto shooters; Desiontal serves as a low‑cost starter for bright‑day, tripod‑mounted shots.
vs. Lightdow / Jintu / Ultimaxx 420-800mm variants
Advantages
Disadvantages
All are interchangeable budget options; selection can be based on availability, brand preference or included accessories.
