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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
4.8 ★★★★★
Based on 20 reviews
Sort
Product Reviews
★★★★★ 5
What a find!
Color: PDRN 25%
Good stuff! My skin healed ULTRA fast with this!! I can really tell it is good stuff! Plus, it has that “bio” smell that means it’s real.
The formula is a little oily as opposed to watery. Just FYI I think serum slightly thicker is better.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
★★★★★ 5
Oopsy Daisy, bad for not reading directions!
Color: PDRN 25%
Oops 😬, I forgot to mix this PDRN serum with my hyaluronic serum before applying on my skin. Instead I have been applying it directly on my face 2x daily. I have noticed major improvement on my skin. My skin is dewy, bright, and flawless. Fortunately, I did not experience any skin reactions the undiluted product. I will come back and stock up on these bottles to mix with hyaluronic serum for microneedling.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 26, 2025
★★★★★ 4
The Skin Regenerator Your Routine Is Missing
Color: PDRN 25%
If you've been dealing with dull, dehydrated skin or feel like your usual creams just aren't cutting it anymore, the Salmon DNA PDRN 250,000 ppm Concentrate might be the missing piece. I started using this booster three months ago, and it has genuinely transformed the texture and bounce of my skin.
What problem does this solve?
As we age or expose our skin to environmental stress, our natural cell regeneration slows down, leading to dullness, loss of firmness, fine lines, and a damaged moisture barrier. This PDRN concentrate essentially acts as a cellular "wake-up call." Salmon DNA shares a remarkably high biocompatibility with human skin, helping to repair DNA damage, reignite collagen production, and speed up the skin's natural healing process.
Features & Benefits
· Regenerative Power: Packed with 25% (250,000 ppm) PDRN (Polydeoxyribonucleotide) to repair and rejuvenate.
· Wrinkle & Texture Refinement: Helps improve elasticity and reduce fine lines for smoother, more resilient skin.
· Hydration & Barrier Support: Formulated with Sodium DNA and Panthenol to deeply replenish moisture and soothe sensitivity.
· Booster Format: A versatile concentrate you mix with your moisturizer or serum to amplify your entire routine.
· Enhanced Complex: Includes EGF (Epidermal Growth Factor) and Peptides for added collagen support.
Pros
· ✅ High concentration of active ingredients for noticeable results.
· ✅ Excellent for post-procedure skin (non-irritating after microneedling).
· ✅ Improves overall skin health, not just surface appearance.
· ✅ Suitable for all skin types looking for anti-aging or hydration.
Cons
· ❌ Texture can be sticky – it leaves a slight residue on your fingers and face that takes a few minutes to absorb.
· ❌ Requires consistency – results are not instantaneous and need regular use to build.
· ❌ The concept of "salmon DNA" might feel unusual to some, though it's highly effective and dermatologist-backed.
Final Verdict
This isn't a quick-fix product, but if you stick with it, the reward is skin that looks plumper, healthier, and more resilient. It’s like sending your skin into a repair shop. Best for anyone who has hit a plateau with their current anti-aging routine or who wants to actively strengthen their skin's foundation.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 5
Good
Color: PDRN 25%
Works well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
★★★★★ 3
It's okay.
Color: PDRN 25%
I'm not going to say it's good I'm not going to say it's bad, I do not like the sticky feeling you have to wash your hands afterwards. And it feels sticky on your face for a while I used it about 10 minutes after microneedling my face. It did help my face feel better kind of calm it down a little bit. When I applied it it didn't burn or nothing
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026
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