EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens(MF) + T-Mount for Canon EOS Rebel T8i/T7i/T7/T6i/T5/T3i/T2i/XSi/SL3/SL2/T100/90D/80D/70D/50D/5D Mark IV/6D II/7D II/1D X III II - Manual DSLR Cameras Lenses
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FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
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Availability:
Only 5 left in stock, order soon!
Arrives
Saturday, Dec 20
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Style: 420-800mm For Canon EF/EF-S Mount
Features
- [Easy-to-Use Warm Tips] - Fully manual(Advantages: precise focus control, creative freedom, high adaptability, stability and durability, and learning value) lens has no electronic contacts for focusing. Switch the camera to full manual (M) mode immediately after installation, otherwise the "no lens" error may be triggered; If the error still occurs, you need to enable the "Release shutter without lens" option in the camera menu (common on Nikon/Sony models, etc.).
- [Professional Manual Focus Experience] - Tailored for photographers who pursue the ultimate, the 420-800mm F8.3 lens adopts a fully manual focus design, requiring photographers to carefully adjust parameters such as shutter speed, ISO and aperture before shooting. This process not only exercises photographic skills, but also inspires unlimited artistic creativity, helping you to transcend conventions and explore the infinite possibilities of photography.
- [Super Telephoto Zoom Lens] - The 420-800mm f/8.3-16 full-frame zoom lens is designed specifically for professional photographers. It includes an adapter ring at no additional cost. Features include precision manual focus with a large focus ring design and an internal focus mechanism, UMC technology to minimize aberrations and flare, resulting in sharp images with exceptional background bokeh. The aperture automatically adjusts based on focal length (f/8.3 at 420mm, f/16 at 800mm), and it is compatible with 62mm filters and EF/EF-S mounts.
- [Wide Compatibility with Canon EF/EF-S Mount] - Lightdow 420-800mm f8.3 telephoto lens is perfectly compatible with for Canon EOS Rebel T8i/T7i/T7/T6s/T6i/T6/T5i/T5/T4i/T3i/T3/T2i/T1i/XSi/XS/SL3/SL2/SL1(100D) & Digital Rebel/XTi/XT/T100(4000D) & EOS 90D/80D/77D/70D/60D/50D/40D/30D/20D/10D/7D Mark II/7D/6D Mark II/6D/5DS R/5DS/5D Mark IV/5D Mark III/5D Mark II/5D & EOS-1D X Mark III/1D X Mark II/1D X/1Ds Mark III/1Ds Mark II/1Ds/1D Mark IV/1D Mark III/1D Mark II/Mark II N/1D.
- [Capture Capabilities] - 420-800mm manual focus telephoto lens excels at capturing detailed images of distant subjects, effectively bringing remote objects closer. It is ideal for photographing the moon, wildlife, birds, buildings, airplanes, landscapes, and more. The aperture range is F8.3-16, and it automatically adjusts with the focal length. Consequently, the camera cannot set the aperture value of the manual lens, resulting in the display of F00/F-- on the camera.
Brand: lightdow
Focal Length Description: 420-800mm
Lens Type: Telephoto
Compatible Mountings: Canon EF
Camera Lens Description: 420-800mm f/8.3-16 Manual Telephoto Zoom Lens
Product Dimensions: 9.45 x 2.75 x 2.75 inches
Item Weight: 1.76 pounds
Item model number: KD-420800-T-N
Is Discontinued By Manufacturer: No
Date First Available: April 12, 2015
Manufacturer: lightdow
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Dec 20
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: for Nikon F (DSLR's)
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.
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Reviewed in the United States on September 15, 2025 by Yingda W.
Style: for Nikon F (DSLR's)
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.
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Reviewed in the United States on July 26, 2019 by PMT PMT
Style: for Nikon F (DSLR's)
I was a little nervous about ordering this because other reviews were so questionable. But I love it! It is going to help me step up my photography. I'm still getting used to it, but it's fairly easy to learn and use. Make sure to remember to set your camera to Manual. I have a nikon d3400 and just add the adapter ring then click the lens onto my camera. I have absolutely figured out I can't use it without some sort of tripod or support. It does get heavy which leads to the blur. If you are thinking about buying this as a low cost lens, I recommend it. Give yourself some grace and enjoy the lens! Oh and that coyote photo is at least 300 yards away.
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Reviewed in the United States on March 25, 2024 by Shayla Shayla
Style: 420-800mm For Sony E-mount
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.
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Reviewed in the United States on September 21, 2025 by Justin
Style: for Nikon F (DSLR's)
You get what you pay for. It is an affordable alternative to name-brand lenses. The issue is, you have to be in manual mode to even use it, so you're constantly needing to adjust and readjust the lens to keep your subject clear. The output, once you look at the photos in post, shows soft, rounded edges and pixelation. So the lens really is just a piece of glass that doesn't entirely interface with your DSLR, resulting in less than top-quality photos. This lens shines best for night photography, capturing the moon or some distant wildlife. Again, you get what you pay for.
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Reviewed in the United States on July 28, 2025 by Ross
Style: 420-800mm For Canon EF/EF-S Mount
Great quality for the price (as a beginner taking pics!!!).
Reviewed in the United States on October 5, 2025 by Missy Rickelmann Missy Rickelmann
Style: 420-800mm For Canon EF/EF-S Mount
I purchased this for my canon Eos 2000d. Fits great. Excellent build quality. Image quality is also excellent. It’s heavy which is literally the only downside BUT I am still able to hold it free hand for photos and also works well on a tripod!! Purchased to take pics of the moon originally but it has worked well for other photos like for birds. Thanks!!
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Reviewed in the United States on March 28, 2025 by Jon Bon
Style: 420-800mm For Sony E-mount
For the price, it does the job. Manual focus kind of sucks, but that's expected for the price.
Reviewed in the United States on September 16, 2025 by Tommy