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	Celestron AstroMaster 70AZ	National Geographic Junior 70/400 AR	Skywatcher Mercury 707	Celestron StarSense Explorer DX 130 AZ	Celestron StarSense Explorer LT 114 AZ
	from £144.99 up to £203.99 Compare prices 6	from £111.69 up to £112.99 Compare prices 2	from £135.99 up to £148.99 Compare prices 4	from £399.00 up to £461.49 Compare prices 4	from £237.49 up to £280.99 Compare prices 3
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TOP sellers	Amazon.co.uk £150.00 Buy in shop OnBuy.com £192.00 Buy in shop Picstop.co.uk £182.00 Buy in shop	Onbuy.com £113.00 Buy in shop Picstop.co.uk £112.00 Buy in shop	OnBuy.com £149.00 Buy in shop Picstop.co.uk £136.00 Buy in shop Trekkinn £142.00 Buy in shop	Amazon.co.uk £399.00 Buy in shop Onbuy.com £458.00 Buy in shop Picstop.co.uk £435.00 Buy in shop	Picstop.co.uk £267.00 Buy in shop Trekkinn £237.00 Buy in shop OnBuy.com £281.00 Buy in shop
Design	lens (refractors)	lens (refractors)	lens (refractors)	mirror (reflectors)	mirror (reflectors)
Mount type	altazimuth	altazimuth	azimuth (AZ2)	altazimuth	altazimuth
Specs
Lens diameter	70 mm	70 mm	70 mm	130 mm	144 mm
Focal length	900 mm	400 mm	700 mm	650 mm	1000 mm
Max. useful magnification	165 x	140 x	140 x	260 x	269 x
Max. resolution magnification	100 x	300 x	105 x	195 x
Min. magnification	10 x	20 x	10 x	19 x	16 x
Aperture	1/13	1/5.7	1/11.7	1/5
Penetrating power	11.7 зв.вел		11.7 зв.вел	13.1 зв.вел	12.8 зв.вел
Resolution (Dawes)	1.66 arc.sec		1.63 arc.sec	1.07 arc.sec	1.02 arc.sec
Resolution (Rayleigh)	1.99 arc.sec		2 arc.sec	0.89 arc.sec	1.22 arc.sec
More features
Finder	red dot		optic	red dot	red dot
Focuser	rack	rack	rack	rack	rack
Eyepieces		20 mm, 8 mm, 4 mm	25 mm, 10 mm	25 mm, 10 mm	25 mm, 10 mm
Eyepiece bore diameter	1.25 "		1.25 "	1.25 "	1.25 "
Lens Barlow		3 х	2 х		2 х
Enlightenment coating
Mirror					spherical
Diagonal mirror
Smartphone adapter
General
Tube mount		fixing screws	fixing screws		fixing screws
Tube length	91 cm		70 cm	64 cm	61 cm
Tripod height				125 cm	132 cm
Total weight		1.24 kg	8 kg	8.16 kg	4.71 kg
Added to E-Catalog	march 2015	august 2023	march 2015	january 2022	july 2023

Compare Celestron AstroMaster 70AZ and National Geographic Junior 70/400 AR, Skywatcher Mercury 707, Celestron StarSense Explorer DX 130 AZ, Celestron StarSense Explorer LT 114 AZ