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BENOISON 420-800mm MF Telephoto Lens EF Lens for Canon DSLR
✅ In stock
F
Grade
Analysis Confidence
100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 17, 2026 2:50 PM · 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.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️The listed retail price is trimmed by 11% at checkout.
- 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
2.7/28
Recent Value
0/22
Market Standing
11.63/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
BENOISON
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓[Super Telephoto Lens] Manual focus telephoto lens, NOT original-lens, a focal length of 420-800mm and an aperture of F/8.3-16 (non-adjustable aperture value, f8.3 at 420mm and f16 at 800mm), filter size of 62mm, full frame, EF/EF-S mount, built with high-quality materials and robust construction, making them durable and long-lasting;
✓[Upgraded Version] Upgraded into an EF/EF-S mount, which can be mounted on Canon DSLR cameras without connecting the T adapter ring. For those who photograph wildlife or the moon as a hobby, this lens would be a great choice;
✓[EF/EF-S Mount Compatibility] Compatible with Canon EOS-1D Series, EOS-5D Series, EOS-6D Series, EOS-7D Series, EOS-10D to 90D Series, Rebel SL3 SL2 SL1(250D 200D 100D), Kiss/Rebel Series(Rebel T8i/850D T7i/800D T7/2000D T6/1300D T6s/760D T6i/750D T5i/700D T5/1200D T4i/650D T3i/600D T3/1100D T2i/550D T1i/500D) 4000D 3000D 1500D etc DSLR cameras. Not for camera M-series and R-series mirrorless cameras;
✓[Manual Focus] The lens has a focus ring located near the front. Manually rotate this focus ring to adjust the focus. Turn the ring slowly until the subject you want to focus on appears sharp and clear;
✓[NO electronic contacts and No Autofocus Motor] Manual lenses lack electronic contacts, so you need to use our lens in Mode M. On manual lenses, the camera may display F00 because it doesn't have direct access to the aperture value.
⚙️ Specifications
Brand
BENOISON
Focal Length Description
420-800mm
Lens Type
Telephoto
Compatible Mountings
Canon EF, Canon EF-S
Camera Lens Description
Manual focus 420-800mm telephoto lens
Product Dimensions
9.45 x 2.64 x 2.64 inches
Item Weight
1.65 pounds
ASIN
B0DCW3DMT2
Customer Reviews
3.9 3.9 out of 5 stars (350) var dpAcrHasRegisteredArcLinkClickAction; P.when('A', 'ready').execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( 'acrLink-click-metrics', 'click', { "allowLinkDefault": true }, function (event) { if (window.ue) { ue.count("acrLinkClickCount", (ue.count("acrLinkClickCount") || 0) + 1); } } ); } }); P.when('A', 'cf').execute(function(A) { A.declarative('acrStarsLink-click-metrics', 'click', { "allowLinkDefault" : true }, function(event){ if(window.ue) { ue.count("acrStarsLinkWithPopoverClickCount", (ue.count("acrStarsLinkWithPopoverClickCount") || 0) + 1); } }); }); 3.9 out of 5 stars
Best Sellers Rank
#20 in SLR Camera Lenses
Date First Available
August 12, 2024
