16 Butts Ash Gardens, Hythe, Southampton. SO45 3BL

Telephone 023 8084 2801

Astro telescopes and lenses from Helios
And a few accessories.

 All the accessories listed below are in stock
If there is any other astro item you want that is not listed please let us know
and we will see if we can obtain it and at what price.
We can also send you an e-mail with a picture of any of these accessories.
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Ploessl 31.7mm fitting eyepieces.

Fully coated. Large eyelens with rubber eyecup
REFERENZ Lenses

30 mm

sold

25 mm

£16    RRP £33

20 mm

£16    RRP £32

15 mm

£16    RRP £32

10 mm

£15    RRP £30

Konus 20 mm

£21    RRP £43

Japanese Kellner 31.7mm fitting eyepieces

Multi coated.

18mm

£16

12mm

£16

6mm

£20

Chinese Kellner 20mm  31.7mm fitting eyepiece with sun and moon filters £28 one only.

24.5 mm Erecting prism £20

Moon filter to fit 31.7mm EPs £8

Japanese Orthochromatic 24.5mm fitting eyepieces.

4mm £30

5mm

£30

6mm

£30

9mm

£30

18mm

£30

25mm

sold

Japanese 24.5mm AH40mm £30
Japanese Huygenian 24.5mm fitting eyepieces. 8mm  £10  only two left.

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24.5mm Accessories.

Nebula Filter Japanese 22mm  £30

Nebula Filter Hitachi 22mm £30

Moon Filter 22mm £5

22mm holder/red/yellow glass £10

Star Diagonal sold

Sun Filter 22mm  £5

24.5-31.7mm eyepiece adapter £20

T-18 terrestrial lens  £8

Moon Filter 23mm £5

Mini erecting prism 23mm £30

Sun projection prism £30

Sun Filter 23mm £5

Other general accessories.

Sun Projection Screen for Refractor  £22

Sun Projection Screen for Reflector £22

Spare counter balance weight £5

  

Red Dot Finderscope as fitted to Skywatcher telescopes £22

Adapter to fit Red Dot Finder in place of 5x30 optical finder £5

One pair 10x stereo microscope eyepieces

in 30 mm fittings. £18

  

Japanese 50.8mm rack & pinion focuser. One only in stock but more available. £48. RRP £99
60mm telescope object lens. Mirador Merlin/Opticron Classic. £20

Sky-watcher Reflector Telescopes

INFINITY 76 . 76mm 3 inch f /300 Aspheric lens collects 131% more light than a toy 50mm telescope. Intuitive left/right and up/down makes it so user friendly and with an astounding image quality. It will not disappoint. Virtually ready to use straight out of the box. Ideal first telescope for a child. SORRY SOLD OUT

Sky-watcher Refractor telescope

MERCURY-609 60mm ( 2.4”) f /900. 10mm & 20mm eyepieces + x2 Barlow giving x45, x90 and x180. Also x1.5 erecting eyepiece. 6x24 finder. Star diagonal. Sun projection screen. EQ1 equatorial mount

  in stock £62 RRP £75

Maksutov Cassegrain 70mm Object Lens 800mm focal length. £80
Complete with 40x-120x zoom eyepiece and carry case.
Takes any 31.7mm astro eyepiece. Very light weight.

in stock £80

A guide to the light gathering ability of different front lens sizes.

Object Lens mm                                   Increase in light gathering

60mm   to         70mm                           36 %
60        to         80                                77
70        to         90                                65
76        to         114                              125
80        to         102                              62
90        to         102                              28
102      to         120                              38
102      to         127                              55
114      to         130                              30
114      to         500                              73
120      to         150                              56
150      to         200                              77
200      to         250                              56

 
 

 

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