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420-800mm f/8.3 Manual Zoom Lens, Moon/Wildlife
✅ In stock
F
Grade
Price verified Sep 5, 2026 6:41 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
LanJue Technology
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓100% MANUAL — NO ELECTRONICS, NO AF, NO IS Zero electronic contacts means pure mechanical control. You must focus by hand and enable “Release shutter without lens” + shoot in Manual (M) mode. Ideal for learning photography physics; not plug-and-play.
✓ULTRA TELEPHOTO REACH + 3 MOUNTS INCLUDED 420-800mm zoom brings the Moon, distant birds & landscapes closer. Includes T-mount adapters for Canon EF/EF-S, Nikon F & Sony E. Best for stationary/slow subjects only — not for sports or fast action.
✓VARIABLE APERTURE F/8.3–F/16 — BRIGHT DAYLIGHT ONLY Designed for compact size and low cost. Requires strong sunlight for usable exposures. Indoors, dusk or overcast = dark/noisy images even at high ISO. Not for low-light or indoor use.
✓TRIPOD IS MANDATORY — HANDHELD WILL BLUR At 800mm, camera shake (even heartbeat) ruins sharpness. Use a solid tripod + remote/timer every time. Focus carefully; many returns cite blur from freehand shooting or rushed focusing.
✓COMPATIBILITY REALITY CHECK BEFORE YOU BUY Works only after setting M mode + “shutter without lens.” Confirmed issues reported on some Sony (a6700, A7 series) and older Nikon bodies. Verify your camera supports T-mount + menu override. No auto-detect, no electronic communication.These revisions front-load the exact pain points that drive returns (manual-only, no AF, tripod required, bright light only, compatibility menu steps, T-mount nature) so shoppers self-qualify before purchase while staying within Amazon’s length and structure rules.
⚙️ Specifications
Brand
Yanuoda
Lens Type
Telephoto
Compatible Mountings
T Mount
Camera Lens Description
The Yanuoda 420-800mm f/8.3 is a fully manual telephoto zoom lens designed for moon, wildlife, and distant landscape photography. With a focal length range of 420-800mm and a variable maximum aperture of f/8.3 to f/16, this lens requires bright daylight conditions for optimal performance. It features zero electronics, meaning no autofocus, no image stabilization, and no electronic contacts, necessitating manual focus control and the use of a tripod for sharp images at long focal lengths. The package includes three T-mount adapters for compatibility with Canon EF/EF-S, Nikon F, and Sony E-mount cameras. Users must enable 'Release Shutter Without Lens' in their camera settings and operate in Manual (M) mode. While it lacks advanced features like weather sealing or macro capabilities, it offers an affordable entry point for mastering photography fundamentals and capturing distant subjects under ideal lighting.
Maximum Focal Length
80 centimeters
Lens
Telephoto
Compatible Camera Mount
T Mount
Minimum Focal Length
42 centimeters
Lens Design
Zoom
Focus Type
Manual Focus
Zoom Ratio
1.9
