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The EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens is a fully manual, super-telephoto zoom lens designed for Canon DSLR users seeking extreme reach and creative control. Featuring a large focus ring, UMC anti-flare coating, and compatibility with a wide range of Canon EOS models, this lightweight 1.72-pound lens excels at capturing distant subjects like wildlife, the moon, and sports. Its manual focus design sharpens your photographic skills while delivering impressive image quality at an exceptional value.








| ASIN | B00VZYR6UC |
| Best Sellers Rank | #40 in SLR Camera Lenses |
| Customer Reviews | 3.9 3.9 out of 5 stars (1,233) |
| Date First Available | April 12, 2015 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.72 pounds |
| Item model number | KD-420800-T-N |
| Manufacturer | lightdow |
| Product Dimensions | 9.45 x 2.75 x 2.75 inches |
C**.
Great value
Got it yesterday and already impressed with the value. For the price I'm more than happy with the image quality. I used it on my Sony ZV-E10. Was great for shooting the moon last night and birds today. Only issue I've had is the focus ring seems to be pretty stiff in the extreme cold, but most people probably won't be using it in the well below freezing temps like I was.
P**T
Really nice lens for the money
As pics show, these all shot at full 800mm. No tripod, all hand shots. It is going to add some bulk, but if you have good methods of holding telephoto lenses you know how to do it. I just got this today, and the quality is really nice for the 80 or so bucks spent. This resolves nicely on my D750 though it shows DX, and crops the image. It didn't state DX lens in the order details or description, but I assumed it would be. Full frame tele lenses just don't come with $80-100 price tags. Build quality is great too... again for the price. Focus ring is tight, and I like that. Most kit lenses DX lenses are on the loose focus ring side of things. Too easy to move. The lens cap is the weakest point. Spring was stuck. I can get another if needed. Not a big deal. This basically makes your camera look like a small telescope. The included T ring for the lens is nicely made. No issues, all metal and has 3 small allen screws for extra security to the lens mount. Comes with lens caps, faux leather case. Some chromatic aberration is to be expected, but overall if your subject is center, it's not bad. The flag picture above with the cloud background was shot at the full 800mm. The problem I had in my camera was not being able to set the Aperture. It fixed at F22. Auto ISO did well enough for most shots. I bought this to photo rocket launches as well. Great lens, awesome price!!! Not good in low light though, so don't expect much there. Should work better on a tripod for moon, or even bright planets. Going to try getting Jupiter and it's bigger moons.
G**L
Works ok
Mine has some dust inside, but does work, is pretty dark, has a large blue flare in the middle of the frame, kneeds a lot of light but decently clear and a great value.
J**N
Adapter listed but not included?
Well that's unfortunate. Similar to other reviews, my lens did not come with the adapter that it stated would come with it. I ordered the lens with an adapter for Sony e mount. I currently have no way to test this to see if it works. If I receive the appropriate e mount t adapter, I will update this review. Otherwise, this might just get returned.
L**O
Settings.
It is a good lense for beginners. I have the d3400 nikon. The biggest down fall is that, when you go to adjust aperture, you cannot. It has to be in manual mode at all times. The ISO settings you have to adjust alot.
D**E
Great for the price
For the price this is a great lens! I’ve added two photos, one (first one) is completely unedited, the second photo is enhanced. This photo was shot handheld and on a moving subject. For $80 I’d recommend it. It’s absolutely not the sharpest lens you’ll find. BUT if you want a telephoto lens for $80 this is definitely worth it. As a side note, this is a FULLY manual lens. This was taken on a Nikon d5200. Settings: shutter speed was 1/640s and iso of 500.
Y**.
Awesome budget lens
First thing to keep in mind: this is a 67 dollar lens. Pros: This lens offers great zoom at 67 dollars Sturdy(except of the lens holder, it scares me for being tad bit loose) Nice quality(for a 67 dollar lens) Cons: Chromatics was horrible(easy fix though from photoshop) Manual(it is okay but will be hard for beginners) I fully recommend this if you are going on a budget in exploration of photography like me. Highly recommend the lens. A tip for the company: make the ring holder sturdier. If you are a professional and a whale, I would skip this and buy an expensive one from Sigma/other big companies.
C**E
Para el costo, excelente producto. Me gustaría que no sea exactamente manual todo pero va bien para la calidad que tiene
A**I
Ich habe das mit meinem Canon EOS ausprobiert. Zoom und einstellen ist sehr leicht. Da Autofokus deaktiviert ist, muss man manuell fokussieren aber gar nicht schwer. AV, TV und Manuel Bedienung funktioniert einwandfrei. Automatik Modus bringt nichts, da objektif nicht elektronisch gesteuert ist.
P**Y
I love this it took some time to get the settings being a beginner at using a manual lense it was a learning experience but once I got it I love it just have patience
M**O
Inizialmente volevo mettere meno stelle per la consegna perché, nonostante avessi inserito l’indirizzo corretto, per tre giorni il pacco è stato portato a circa 8 km da casa mia e il servizio clienti Amazon non riusciva a risolvere il problema. La situazione si è sbloccata solo quando ho detto che non avrei più rinnovato l’abbonamento. Alla fine però ho deciso comunque di lasciare cinque stelle, perché il venditore non ha alcuna responsabilità e l’articolo merita. Fatta questa premessa, il prodotto è di buona fattura: è bello pesante, completamente in metallo, e dà una buona sensazione di solidità. È praticamente obbligatorio usarlo con un treppiede, ma per essere un obiettivo low cost vale davvero la pena. Volevo avvicinarmi alla fotografia naturalistica e astronomica senza spendere un capitale, quindi ho scelto questo obiettivo. All’inizio ero molto scettico, poi ho fatto una prova dalla finestra di casa puntando un’auto sul monte di fronte, utilizzando le focali da 420 mm e 800 mm. Visto il risultato ottenuto in modalità automatica, la sera stessa ho deciso di provare a fotografare la luna piena in modalità manuale… e il risultato mi ha davvero sorpreso. Stra consigliato.
T**A
Good value
J**S
Good product
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