420-800mm f/8.3 Manual Focus Telephoto Zoom Lens for Canon EF/EF-S, Nikon F, Sony E Mount (T-Mount, No Auto-Focus, Tripod Required), Super Long Range Budget Lens for Moon, Wildlife & Astrophotography

Product description

Check Your Camera Model Before You Purchase

Sony E Mount(Mirrorless) Alpha Full-Frame: A1, A7 I-IV, A7C II, A7CR, A7R I-V, A7S I-III, A9 I/II. APS-C/Vlog: A3000-A6700, ZV-E1, ZV-E10, ILCE-7K/7S/5100/6300/6500. NEX & Cinema: NEX-3/5/6/7/F3 (All), FX3, FX6, FX30, FS7, FX9, etc. Canon EF / EF-S (DSLR) EOS Pro/Full-Frame: 1D X M I-III, 5D M I-IV, 5DS R, 6D M I/II, 7D M I/II. Rebel & Kiss: T1i-T8i, T6s, SL1-SL3, XS, XSi, XT, XTi / Kiss X, X2-X5, X6i, X7, X7i, X8i, X9, X9i, X10, X50, X70, X80, X90. Digits: 10D-90D, 77D, 100D, 200D M I/II, 250D, 300D-850D, 1000D-4000D. Cinema: C100/C200/C300/C500/C700 (All M versions). Nikon F Mount (DSLR) D3000 & D5000: D3000-D3500, D5000-D5600. D7000 & Expert: D7000-D7500, D40, D40X, D50, D60, D70, D70s, D80, D90, D100, D200, D300, D300S, D500, Df. FX Full-Frame: D600, D610, D700, D750, D780, D800, D800E, D810, D810A, D850. Flagship Pro: D1H, D1X, D2X, D2Xs, D3, D3S, D3X, D4, D4S, D5, D6, etc. Important Note This package includes 3 separate physical adapters. Verify your camera body belongs to Sony E, Canon EF, or Nikon F before buying. Newer mirrorless systems like Canon RF or Nikon Z require an additional standard adapter.

Why does my camera screen say “Lens Not Attached” or why is the shutter disabled?

Because this is a 100% manual lens without electronic contacts. Simply switch your camera mode dial to “M” (Manual) and enable the “Release Shutter W/O Lens” option in your camera’s custom menu setting.

Are the image results blurry when zooming in closer to 800mm?

Super telephoto focal lengths are highly sensitive to micro-movements. We strongly advocate utilizing a heavy-duty tripod along with a shutter cable release or a timer setting to secure perfectly sharp details.

Is this lens compatible with my specific DSLR or mirrorless gear?

Yes. By utilizing our included specialized T-mount metal adapters, this lens achieves secure physical compatibility across leading camera mounts. Please verify your camera mount index before attachment.

Does it capture clear images in low light?

As a precision-crafted super telephoto lens, it thrives under clear, open-sky lighting conditions. For optimal low-light performance, we suggest utilizing a tripod and experimenting with longer shutter speeds and creative ISO settings.

Is this lens weather resistant?

No. This lens is designed with a lightweight and durable metal construction but is not weather resistant. For the longest lifespan, we recommend always utilizing a weather-proof lens hood or covering when shooting outdoors.

420-800mm Ultra Telephoto & 3 Mounts Included: Bring distant worlds closer. Includes 3 T-mount adapters (Canon EF/EF-S, Nikon F, Sony E). Perfect for stationary or slow-moving subjects like the Moon, nesting birds, and distant landscapes. Note: Not recommended for fast-moving sports.
100% Pure Manual Control — No Electronics: ATTENTION: This lens has NO electronic contacts, NO Autofocus, and NO Image Stabilization. It requires patience and manual turning of the focus ring. Perfect for photography students and hobbyists who want to master the physics of photography.
F/8.3 – F/16 Variable Aperture — Daylight Only: To keep the lens compact and ultra-affordable, it features a variable aperture (420mm F/8.3 rightarrow 800mm F/16). It requires BRIGHT SUNLIGHT to shoot clear images. In low light or indoors, images will appear dark or grainy due to high ISO.
Tripod is NOT Optional — 100% Required: At 800mm, even your heartbeat can blur the image. A sturdy tripod and shutter release cable/timer are MANDATORY to get sharp, crisp photos. Handheld shooting will almost certainly result in blurry images.
Must-Do Camera Settings to Avoid “No Lens” Error: Because there are no electronic chips, your camera will think no lens is attached. You MUST set your camera to Manual (M) Mode AND enable “Release Shutter Without Lens” in your camera menu before use.