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Description
SIRUI Beyond B1042A Binoculars For ObservationDecent View into Your Eyes Beyond Series 10x42 ED Binoculars Beyond Series 10x42 ED Binoculars 10X High Magnification 20mm Eyepiece BAK4 Prism Multi layer Coating IPX7 Waterproofing+Nitrogen Filling 1 4 20 Threaded Hole 10X Golden Range 8 10x magnification is commonly recognized as the golden range for binoculars, balancing image quality and usability. Higher magnification can lead to reduced image clarity. 10X Magnification Wide field of view and
Decent View into Your Eyes
Beyond Series 10x42 ED Binoculars
Beyond Series 10x42 ED Binoculars
10X High Magnification
20mm Eyepiece
BAK4 Prism
Multi-layer Coating
IPX7 Waterproofing+Nitrogen Filling
1/4”-20 Threaded Hole
10X Golden Range
8-10x magnification is commonly recognized as the “golden range” for binoculars, balancing image quality and usability. Higher magnification can lead to reduced image clarity.
10X Magnification
Wide field of view and high image quality.
20mm Large Eyepiece for
Better Experience
Better Experience
20mm Large Eyepiece
Detailed insights
Bright image
Clear subject
＜20mm Small Eyepiece
Less detail
Dim image
Blurred subject
42mm Large Objective Lens
The larger the objective lens is, the more the light goes in, perfect for observing bright image.
Wide Field of View
Wide FOV is suitable for capturing moving object, ideal for outdoor adventure, birding watching, moon watching, etc.
Outstanding
Optical Performance
Optical Performance
Designed with 4 pieces of ED glass and 2 pieces of high refractive index glass.
Color-accurate and excellent image with minimal dispersion around.
Obvious dispersion and blurred image.
Multi-layer Coating
Inner multi-layer coating increases light transmission, achieving overall transmittance rate of up to 88.5%.
LensProtector
Solid quality construction with anti-scratch and anti-fouling coating.
BAK4 Prism
BAK4 is a type of high-density glass. BAK4 prisms are made of a higher quality glass than the lower-cost BK7 prisms that are
sometimes used in binoculars. The higher quality glass used in BAK4 prisms results in a brighter and clearer image, especially suitable for viewing in low-light situations.
BAK4 Prism
BAK4 Prism
BAK4 is a type of high-density glass. BAK4 prisms are made of a higher quality glass than the lower-cost BK7 prisms that are
sometimes used in binoculars. The higher quality glass used in BAK4 prisms results in a brighter and clearer image, especially suitable for viewing in low-light situations.
IPX7 Waterproofing Nitrogen Filling
Hermetically sealed barrels with IPX7 waterproofing and
nitrogen filling ensure protection against water and fog,
making them reliable in all outdoor conditions.
Caps Together
-15~60℃
Working
Temperature
Working
Temperature
-20~60℃
Storage
Temperature
Storage
Temperature
View the Details
from Your Phone
from Your Phone
Mount the binoculars on SIRUI tripod and mount your phone on the binoculars via TS-M telescope mobile phone adapter to
capture details from your phone with ease.
SP124+B5X+BA-2
TS-M1 Telescope Mobile Phone Adapter
*Accessories except the binoculars are sold separately.
Name of Part
Details
01.
Center Focusing Wheel
Rotate the center focusing wheel to easily focus.
02.
Right Eyepiece Focusing Ring
Rotate the eyepiece focusing ring until the image is sharp.
03.
Eyecup
4 steps adjustment eyecup meets different needs and also helps prevent stray light.
04.
1/4”-20 Threaded Hole
You can purchase SIRUI BA-2 Binoculars Adapter to help mount the binoculars on tripod.
05.
Included Strap
Prevent the product from being lost or falling off.
06.
Good Match
Put the eyepiece cap on objective lens cap for storage.
Two Colors
*Optional SIRUI SP124+B5X+BA-2 Tripod Kit
*Optional SIRUI SPD04+G5X+BA-2 Tripod Kit
Multiple Scenarios
Super compact, suitable for outdoor viewing.
Concert
Landscape
Bird Watching
Wildlife
Patrol
Astronomical Observation
Match
What’s in the Box
1. Box
2. Warranty Card
3. Lens Cloth
4. Binoculars
5. Carrying Bag
6. Strap
7. Eyepiece Cap
8. Objective Lens Cap
Specifications
Name
Beyond Series 10X42 ED Binoculars
Interpupillary Adjustment
55~75mm / 2.17~2.95inch
Magnification
10X
Minimum Focus Distance
3m
Eyepiece Diameter (mm/inch)
φ 20 / φ 0.79
Maximum Focus Distance
∞
Objective Lens Diameter (mm/inch)
φ 42 / φ 1.65
Diopter Adjustment
-6~+6D
Exit Pupil Diameter (mm/inch)
φ 4.2 / φ 0.17
Weight (g/lb)
525 / 1.16
Exit Pupil Distance (mm)
16.4 (Center) / 15.8 (Edge)
Dimensions (mm/inch)
130*120 / 5.12*4.72
FOV
6.0° / 104.8m@1000m / 314.4ft@1000 yd
Waterproofing
IPX7
Light Transmission
88.5%
Operation Temperature
-15~60℃
Distortion
3.9%
Storage Temperature
-20~60℃
SIRUI Promise to Provide All Customers with
VIP Warranty Service of Optical Products
VIP Warranty Service of Optical Products
1. If the optical element of your product is defective or damaged, we will provide you with limited free warranty or replace the damaged one. (If we are not able to repair your product, we will replace it with a product that has the same or better physical condition.)
2. Two years warranty for electronic part from the date of purchase. And we will provide you with free repair or replacement. (If we are not able to repair your product, we will replace it with a product that has the same or better physical condition.)
3. We provide lifetime warranty for factory defective products. If the product is damaged artificially, you have to pay for the repair. The start date of the warranty is subject to the proof of purchase. Does not cover loss, theft, deliberate damage, unauthorized service or cosmetic damage that doesn't hinder performance.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 11 reviews
Sort
Product Reviews
★★★★★ 5
Nice bundle and great customer service
Size: Saros 10R/Qrevo CurvX/Edge 2 Accessories
I purchased this as an economical bundle for my Roborock Qrevo Curv. All of the parts seem to work and fit properly, which is good since I have actually had problems with the main brushes from a different maker. The only issue I ran into was that the Roborock website seemed to indicate that all of the Qrevo Curv models use the same filter size. Apparently the CurvX/Curv 2 Pro use a different filter. When I asked VIEWALL about it through Amazon messaging, they were kind enough to let me know about the difference and even offered to send me filters for my model. So you can count on excellent customer service from the company.
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Reviewed in the United States on January 7, 2026
★★★★★ 4
Affordable Roborock Qrevo CurvX Accessories That Fit Well
Size: Saros 10R/Qrevo CurvX/Edge 2 Accessories, Size: Saros 10R/Qrevo CurvX/Edge 2 Accessories
I have a Roborock Qrevo CurvX vacuum cleaner, so when I saw this replacement parts pack, I wanted to give it a try.
The box contained everything needed to carry out the maintenance schedule recommended in the Roborock app. It even included a small screwdriver, which made changing the side brush easy — a thoughtful extra touch.
I compared all of the replacement parts to the original ones and didn’t notice any major differences. Overall, the parts do seem slightly lower in quality than the originals, but not to the extent that I think it will significantly affect performance or durability.
I replaced the side brush without any issues, and it fit properly.
The mop pads were softer and fluffier than the originals and didn’t fit quite as snugly, although I don’t think this will have much impact on cleaning performance.
The new filter installed perfectly, and the vacuum bags also fit as expected.
Overall, I’m happy with this product. It’s reasonably priced and represents good value for money. I can see myself continuing to use these replacement parts in the future. I’m taking one star off due to the parts being of slightly lower quality
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Value replacements
Size: Saros 10R/Qrevo CurvX/Edge 2 Accessories
As far as I can tell these are pretty solid replacements for the SAROS 10R. My original side brush was all torn up after just a few months of use so I found these replacement parts. Haven’t used the mop pads yet, but they are a similar design to the “upgraded” mop pads offered by Roborock which are superior to the standard one IMO. Everything else seems to be equal quality to the OEM parts, and at less than $12 I have no complaints on this kit.
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Reviewed in the United States on December 31, 2025
★★★★★ 1
Does not work for Qrevo Arc.
Size: Saros 10R/Qrevo CurvX/Edge 2 Accessories, Size: Saros 10R/Qrevo CurvX/Edge 2 Accessories
Filter does not fit my Qrevo Arc. Photo shows size comparison between my old (very dirty) filter and the replacement filter.
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Reviewed in the United States on April 6, 2026
★★★★★ 4
Solid replacement parts kit — just skip the mop pads
Size: Saros 10R/Qrevo CurvX/Edge 2 Accessories, Size: Saros 10R/Qrevo CurvX/Edge 2 Accessories
This kit has been a handy all-in-one refresh for my robot vacuum. The main brush, side brushes, filters, and dust bags all fit correctly on my Qrevo, slid in without fuss, and have been performing on par with the originals — suction feels unchanged, the side brushes kick debris toward the intake properly, and the filters look and seat identically to the ones they replaced. My one real complaint is the mop pads. They're noticeably thinner and flimsier than the OEM pads, don't hold water as well during a run, and left streakier lines on my floors compared to what I'm used to. I've ended up going back to the original-brand mop cloths and just using this kit for the dry-cleaning parts, which have genuinely been a good value. Four stars — great kit minus the mops.
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Reviewed in the United States on April 15, 2026