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IOptron Mount GEM28EC LiteRoc

Original price was: $364.00.Current price is: $97.99.

SKU: YXN0C 74331 Categories: Mountings, Mountings & accessories

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Product description

Like most of iOptron’s GEM models, the new GEM28 is also designed to be easy to handle and simple to transport.

The mount can carry loads of up to 12.7kg and provides an optimally balanced weight-to-load ratio (2:8).

This ratio allows the lightweight mount to carry very high loads and is, therefore, ideally suited to mobile astrophotography and observation.

Additionally, iOptron has incorporated very useful functions for user comfort and advanced functionality into the new GEM28.

A built-in WiFi system (easy to use, even when wearing gloves) and integrated WiFi which now displays the periodic error permanently (PEC protocol).

In terms of functionality, the GEM28 provides precise pointing and exceptionally stable object tracking. With this, the GEM28 is setting new standards for medium-sized equatorial GoTo systems.

The GEM28EC is also equipped with the latest Go2Nova® technology, therefore it has some of the most powerful and precise GoTo utilities currently on the market.

The database, with 212,000 listed objects, ensures that you never run out of celestial targets…

The Go2Nova® hand-held controls are intuitive to operate and their large four-line LCD display makes it easier to set up the mount and to find objects in general.

The GEM28EC is equipped with an electronic “iPolar”.

The advantages at a glance:

Latitude range from 10° ~ 70°
Ideal for visual observations and astrophotography
Low periodic error (<± 10 arc seconds)
Load capacity of 12.7kg with a mount weight of only 4.5kg
Die-cast CNC-machined mounting head
Large, easy-to-use quick-lock couplings
Low-energy consumption stepper motors
Belt drive
“Easy Polar Alignment” for those unable to see the Pole Star
Go2Nova® hand-held controls with advanced GoTo technology
Integrated ST-4 autoguiding port
Built-in WiFi
USB connection for firmware updates and computerised controls
Die-cast metal tripod spreader with accessory shelf
Optional 32-channel GPS
Optional iGuider autoguiding system

Our expert comment:

The thumb turns on the side of the GEM28’s top plate/prism clamp are designed not to stick out much so that, on some models of this mount, the turn may become stuck in or scrape against the casing for the declination axis. Here, 1-2 hard plastic or metal washers can be used to fix this issue. The washers increase the distance between the thumb turn and the casing.

(Jan Ströher)

Designation	GEM
Cable	USB
GoTo system	yes
GPS	– (optional)
Controllable via PC	yes
Updateable via web	yes
Accessory tray	yes
Transport cases	yes
Pole finder	yes
Power pack	yes
Tripod material	Stainless steel
Fitting for prism rail	– (Vixen)
Tripod weight(kg)	7
Colour	black-red
Total weight(kg)	22
Series	GEM
WIFI	yes
Alignment method	3-Star Alignment, 2-Star Alignment, 1-Star Alignment
Autoguiding	yes
Tracking speeds	sideral, solar and lunar
PEC correction	yes
Polar axis scale	yes
Max. additional load capacity(kg)	12.7
Material of counterweights	Steel
Polar elevation setting(°)	10°-70°
Motor speeds	1, 2, 8, 16, 64, 128, 256, 512
Position precision	+/-6
Precision of tracking	0.17
Material of worm gear	Aluminium
Material of worm wheel	Brass
Worm gear teeth (RA)(piece)	144 (Aluminium)
Counterweight(s)(piece)	1 (4,5kg)
Diameter of counterweight bar(mm)	20
Power consumption in open circuit(mA)	0.9
Software	Go2Nova
Display screen	LCD display with backlight
Database	212.000
Connection manual controller	USB & ST4 cable
Interfaces	ST-4, HBX, USB, DEC
Cable-guide	internal
Operating temperature	-10 bis +40
Power supply	12V DC, 5A
Polar Alignment	Easy Polar Alignment