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Since its introduction the Star Adventurer has been at the forefront of the lightweight, portable astro-imaging revolution. And now, with the Star Adventurer GTi, we take the next step with full Go-To performance in a compact package.

The new Sky-Watcher EXPLORER-250PDS Newtonian Reflector incorporates the same superb mirror-set as the Explorer-250P Black Diamond Series, but with two significant advantages. A Dual-Speed 10:1 ratio focuser is now included for excellent focusing precision. Also the tube length has been slightly shortened to optimise performance for prime-focus photography.

Compact, inverted expedition microscope with phase contrast

Weighs only 1.0 kg, perfect for travel and field work

3 plan achr. lenses, 4x, 10x and 40x (40x phase contrast)

For use with standard glass slides (1.2-1.5mm)

Mechanical crosstable for efficient and reliable screening

With battery powered LED illumination

Size assembled 19x18x11cm, microscope body is only 16x12x5cm

Richfield telescope with a short focal length of 500 mm. Suitable for traveling and to observe large open star clusters and the Milky Way.

The classical reflector telescope BRESSER Messier NT-130 with its 130 mm aperture offers 30% more light than other 114mm reflectors that are usually in this price range. The lightweight mount is easily transportable and the optics provide an image that is free of colour abberations.

The Explore Scientific 92° Argon 17mm LER Eyepiece is the first in the line of Explore Scientific's 92° range of Argon-purged eyepieces. These eyepieces are designed to balance the modern demands of field sharpness over a wide apparent field, with long eye relief, which is of particular benefit to those who wear glasses while observing.

• Optical system: Newton
• Highest practical power: 400x
• Objective lens diameter: 203 mm
• Focal length: 1000 mm
• Aperture ratio: f/5
• Eyepiece diameter: 31.7 mm (1.25") and 50,8mm (2")

Narrowband filter sets are used to create high contrast deep sky images of certain objects, mainly emission and diffuse nebulae (i.e. Veil Nebula, M42 Orion Nebula, North America Nebula, Horsehead Nebula) or planetary nebulae

The same high quality Evostar 80 ED DS Pro but without the finderscope, diagonal and eyepiece. Price includes aluminium case!

Solar System Ultimate Set
Touch the untouched worlds of the cosmos
Explore precise 3D models of our solar system that have yet to be explored and touched by humankind.

H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen.

OIII 3nm Narrow Band filters isolate the doublet emission of doubly ionized Oxygen. After ionized hydrogen, this is the next most common emission when imaging nebulae.

SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.

The next filter to complement your LRGBH-a set is an oxygen filter. OIII (“ohthree”) emits light near 500 nm and is a blue-green- or teal-colored filter. Many of my images of planetary nebula and supernova remnants are taken only with H-a and OIII filters.

The iOptron® Photron™ Ritchey-Chrétien design telescopes feature low thermal expansion quartz primary and secondary mirrors with ninety-nine percent reflective dietetic coatings. The RC optical design delivers coma, spherical and chromatic aberration free results, perfect for color or monochrome imaging.

The RVO Horizon 8" f/4 imaging newtonian is a superb system for deep sky imaging with a DSLR or CMOS camera. Nice and compact thanks to it's f/4 focal ratio, means these telescopes are incredily portable whilst still delivering bright, high contrast views.