Let's be clear, this is NOT a super high quality lens. However, at less than $100 this is a superb value. I have a Canon R50, and hooked this lens up via an EF-RF adapter, and everything worked as it should.
I have been tossed up between getting an RF100-400 lens, or a Sigma 150-600, and I hop to use this 420-800 to help me determine whether a 400mm focal length is enough, or if I need the extra reach of a 600mm lens when looking for something with autofocus. That is my main purpose for using this lens, and afterwards, my wife can slap this on her Rebel T6.
Observations
1. Image clarity - Image clarify is not great, especially at 800mm, but this isn't a $2,000 lens. I've attached two images. The one of the birds is at 800mm, and the one of the dog is somewhere in the 500-600mm range. This will get you an image, but nothing you're going to blow up and hang on your wall.
2. No stabilization - Unsurprisingly, there is no image stabilization. My Canon R50 also lacks image stabilization. I have found it NECESSARY to use a Bluetooth remote shutter (only a couple of bucks) and a tripod to get good results. I have not gotten good results trying to handheld shoot. At the long length, any touching of the camera can result in added blur.
3. Focusing - This does work fine with Canon's "MF Peaking Setting", which will show little red dots to indicate which part of the image is in focus. This makes it much easier to manually focus!
4. Lens focal length and adjustment - Adjusting the focal length of the lens is more like adjusting a spyglass telescope. There is a lock ring you loosen, and pull out the lens to increase the focal length. That being said, the lock ring doesn't fully lock down, you can still pull out the scope even if it's fully locked. The focal length itself (420-800) is quite hard to work with. At 420mm, it can be hard to find your subject, especially if it is a bird in a tree. A 150mm or even 200mm starting place would be much nicer. In doing some bird watching in the backyard, I put the camera on a fluid head tripod and that helped me to scan the trunk/branches of a tree to find the right branch with the bird on it.
At less than $100, I wasn't expecting much. However, this is a perfectly useable lens for a hobbyist who wants something with a longer focal length and doesn't want to shell out thousands of dollars. I'd stick with using this in very bright conditions to maintain any clarity this lens does have. I've tried to lay out my observations and findings in using this lens to assist others, and some of the feedback may sound harsh, but I want to be clear that the image quality isn't great, but you do get a LONG lens for practically pennies.
BENOISON Telephoto Lens for Canon - EF Lens 420-800mm for Canon DSLR, Manual Focus MF Zoom Lens for Canon EOS Rebel SL3 SL2 S
4.1 | 75 ratings
Price: 67
Last update: 12-22-2024
About this item
【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.
【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.
Product information
| Product Dimensions | 10 x 2.44 x 2.44 inches |
|---|---|
| Item Weight | 1.67 pounds |
| ASIN | B0DCW3DMT2 |
| Customer Reviews |
4.1 4.1 out of 5 stars
(75)
4.1 out of 5 stars |
| Best Sellers Rank | #30 in SLR Camera Lenses |
| Date First Available | August 12, 2024 |
| Manufacturer | BENOISON |
| Country of Origin | China |
Top reviews from the United States
Matt5-star value, 3-star performance
Matt
Reviewed in the United States on October 25, 2024
I have been tossed up between getting an RF100-400 lens, or a Sigma 150-600, and I hop to use this 420-800 to help me determine whether a 400mm focal length is enough, or if I need the extra reach of a 600mm lens when looking for something with autofocus. That is my main purpose for using this lens, and afterwards, my wife can slap this on her Rebel T6.
Observations
1. Image clarity - Image clarify is not great, especially at 800mm, but this isn't a $2,000 lens. I've attached two images. The one of the birds is at 800mm, and the one of the dog is somewhere in the 500-600mm range. This will get you an image, but nothing you're going to blow up and hang on your wall.
2. No stabilization - Unsurprisingly, there is no image stabilization. My Canon R50 also lacks image stabilization. I have found it NECESSARY to use a Bluetooth remote shutter (only a couple of bucks) and a tripod to get good results. I have not gotten good results trying to handheld shoot. At the long length, any touching of the camera can result in added blur.
3. Focusing - This does work fine with Canon's "MF Peaking Setting", which will show little red dots to indicate which part of the image is in focus. This makes it much easier to manually focus!
4. Lens focal length and adjustment - Adjusting the focal length of the lens is more like adjusting a spyglass telescope. There is a lock ring you loosen, and pull out the lens to increase the focal length. That being said, the lock ring doesn't fully lock down, you can still pull out the scope even if it's fully locked. The focal length itself (420-800) is quite hard to work with. At 420mm, it can be hard to find your subject, especially if it is a bird in a tree. A 150mm or even 200mm starting place would be much nicer. In doing some bird watching in the backyard, I put the camera on a fluid head tripod and that helped me to scan the trunk/branches of a tree to find the right branch with the bird on it.
At less than $100, I wasn't expecting much. However, this is a perfectly useable lens for a hobbyist who wants something with a longer focal length and doesn't want to shell out thousands of dollars. I'd stick with using this in very bright conditions to maintain any clarity this lens does have. I've tried to lay out my observations and findings in using this lens to assist others, and some of the feedback may sound harsh, but I want to be clear that the image quality isn't great, but you do get a LONG lens for practically pennies.
Images in this review
kimPrice
CoolgalIncredible Value for Long-Range Photography
Mary MaynardBad Focus
K. JohnsonFantastic for the Price
K. Johnson
Reviewed in the United States on November 9, 2024
Images in this review
