Question 1

I am trying to decide between this model and the Celestron 25-125x80 which i would use at only the lower magnifications. Which should I get?

Accepted Answer

Hello! In my 50+ years as a user of hundreds of types of lenses, telescopes and binoculars I have found any "ZOOM" product is far less sharp than a fixed millimeter group of lenses. I currently purchased the Celestron 25 X 100 astronomy binoculars and could not be more pleased. Images are all very sharp with excellent contrast - both of which are extremely important when looking at the night sky as well as in terrestrial viewing. I would definitely recommend the 25 X  100 binocs. Hope this helped.   Terry D

Question 2

Would I be able to see the rings of Saturn with the binocs?

Accepted Answer

Just got these in yesterday from another retailer and yes if your steady enough or use tripod you can see saturn's rings. You can see the brightest of jupiters 4 moons as star points too. I also got great views of the Orion Nebula (M42) which was amazing. All objects mention above where seen from the city.

Question 3

With this pair not having focus or zoom lever, would the 25-125x80 be a better pair for astronomy searching?

Accepted Answer

I own the zoom model 25-125×80, and now I wish I had 25 x 100.

Please DONT BE FOOL BY THE ZOOM FUNCTIONILITY. 25 x 100 will definitely give you crisp image because its prime lens. My zoom bino has some soft-image problem at the edges and it seems to be very common issue.

Zoom is just useless. 100 aperture will give you more light and 25x is enough to see planets and stars. Again, having individual focus ring is better that you wont get in 25-125x80 model.

Question 4

Are these suitable for bird watching?  Specificaly birds of prey?

Accepted Answer

No, not at all they are like hand holding a celestial telescope. If rested on a car roof they might work, but they are annoyingly large for transport. They require a tripod and good for the viewing of a fixed object like a pack of wolves at Yellowstone 1 mile out. This much power and the binocular view is just too bouncy. The best bird watchers / NASCAR watching for the money I purchased were the Vortex diamondback 8X42. Waterproof and very clear glass, great in low light and not terribly expensive compared to the competition in this performance range. Don't get me wrong as they are a nice addition for sky watching the moon, rings on Saturn...., but practical for bird watching no.

ASIN	B0007UQNTU
Age Range Description	Adult
Apparent Angle of View	3.7 Degrees
Best Sellers Rank	2,065 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 10 in Binoculars
Box Contents	Carrying case, Lens cloth, Neck strap, Objective lens caps, Rainguard
Brand Name	Celestron
Coating	Multi-Coated
Colour	Black
Compatible Devices	tripod
Country of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (3,594)
Digital Magnification Measured in Multiples (Digital Zoom)	20 x
EU Spare Part Availability Duration	10 Years
Enclosure Material	Rubber
Exit-Pupil Diameter	4 Millimeters
Eye Relief	18 Millimeters
Field of View	3.7 Degrees
Focus Description	Manual Focus
Focus Type	Center Focus
Global Trade Identification Number	00050234710183
Item Dimensions L x W	22.9L x 11.9W centimetres
Item Dimensions L x W x H	32.5L x 22.9W x 11.9H centimetres
Item Weight	4.8 Pounds
Low Light Technology	yes
Manufacturer	Celestron
Manufacturer Part Number	71018-CGL
Model Name	71018
Model Number	71018
Number of Items	1
Objective Lens Diameter	80 Millimetres
Prism Type	Porro Prism
Product Features	Multi Coated Optics, Weather Proof
Relative Brightness	16.0
Size Map	Giant
Specific Uses For Product	Hiking & Outdoors
UPC	050234710183
Unit Count	1.0 count
VESA Mount Type	Tripod Mount
Water Resistance Level	Water Resistant
Zoom Ratio	20 multiplier_x

Celestron 71018 SkyMaster 20x80mm Porro Prism Binoculars with Multi-Coated Lens, BaK-4 Prism Glass and Carry Case, Black

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