Question 1

What is the difference between 10x50, 8x42, 10x42 & 10-22x50?

Accepted Answer

The first number is the power of the lens, that is how much it will magnify the image.  The second number represents the diameter of the lens in mm.  They work together to calculate a number called the "exit pupil" or "exit ratio".  Take the lens size and divide it by the power to get this number.  The higher the number, the brighter the image.  For example, 10x50 will give an exit ratio of 5.0, 8x42 would be 5.25, 10x42 would be 4.2.  In my opinion, the exit ratio is more important than the power.  My favorite binoculars are 8x50 (6.25) but I also just bought 10x50 as a gift who is delighted with that configuration.  Stay away from high-power binoculars.  They, for me, are too hard to keep steady due to the high magnification.I hope this helps.-Norm

Question 2

Is it possible to view the rings of Saturn with these binoculars?

Accepted Answer

The best view I've gotten with these was from the upper elevations in the Rocky Mountains in Colorado, while at a remote campsite. 4 Moons of Jupiter were very clearly visible, but for the rings of Saturn, I could only get the impression of a ring with my view. The planet itself was so bright so that details were obscure. Looking at Venus with these was blinding. I cannot remember the phase of the moon on these nights but it was probably close to the new moon.

Question 3

What is the items wight?

Accepted Answer

According to the specs, it's 3.05 or 3.06 pounds. Assume it's 3, since .05 or .06 pounds is about an ounce.

Question 4

Do these have a tripod mount and if so, what kind?

Accepted Answer

I'm looking at the box (I just got it for fathers day today). It has "Tripod adaptable for a stable viewing platform by using the optional tripod adapter". You have to buy that separately. The directions even show how to do it. Amazon has the adapter shown (Nikon Adapter 7650). It's kind of spendy, but from what i've read, it's just a standard 1/4"-20 mount- just about any of those will work. not sure where some of the other answers are getting their info.

ASIN	B00B7LQARS
Age Range Description	Adult
Apparent Angle of View	60 Degrees
Brand	Nikon
Built-In Media	BINOCULARS
Coating	Multilayer Coatings
Color	Black
Compatible Devices	Tripod
Customer Reviews	4.6 4.6 out of 5 stars (4,456)
Diopter Adjustment Range	+/-5 diopters
Enclosure Material	Glass
Exit-Pupil Diameter	5 Millimeters
Eye Relief	11.8 Millimeters
Features	Aspheric Lens Design; Lead- and Arsenic-Free Eco-Glass; Large Center Focusing Wheel, Slip-Resistant Rubber Armor; Twist-Up, Click-Stop Rubber Eyecups
Field of View	341 Feet
Focus Description	Manual Focus
Focus Type	Manual Focus
Global Trade Identification Number	00018208082483
Item Dimensions L x W	21.8L x 10.8W centimeters
Item Dimensions L x W x H	19.8L x 17.8W x 6.9H centimeters
Item Weight	1.27 kg
Low Light Technology	yes
Magnification Maximum	8
Manufacturer	Nikon Sport Optics
Manufacturer Part Number	8248
Model Name	8248
Model Number	8248
Mount Type	Tripod Mount
Objective Lens Diameter	50
Prism Type	Porro Prism
Relative Brightness	0.5
Size Map	One Size
Specific Uses	Hiking and Outdoors
UPC	018208082483
Unit Count	1 Count
Water Resistance Level	Water Resistant
Zoom Ratio	10x

Nikon 8252 Aculon A211 10-22x50 Zoom Binocular (Black)

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