BST StarGuider 60 5mm ED Eyepiece
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BST StarGuider 60 5mm ED EyepieceBST StarGuider 60 5mm ED EyepieceBST StarGuider 60 5mm ED Eyepiece

BST StarGuider 60 5mm ED Eyepiece

£49.00
  (6 Reviews)
✓ 2 year warranty

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52x in stock shipped 1-2 working days

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About this product

Model:  bst_sg_5
Part Number:  SP10851

Please note BST StarGuider ED eyepieces are occasionally branded 'Astro Essentials'. 

Remarkably high performance-per-£! 

Features include two ED glass elements and fully multicoated edge-blackened optics for excellent colour, enhanced contrast, high light transmission and minimal ghosting. 

The six-element / four-group design minimises field curvature for a nice flat field, even when used with telescope f-ratios as low as f5. 

Modern twist-up eyecups, 16mm eye relief and 21mm diameter eye-lens makes them comfortable to use, even when wearing eyeglasses. 

The tactile rubber grip and milled indentations make them easy to handle in the dark and the 1.25“ nosepiece includes a safety undercut so the eyepiece is less likely to slip out of the focuser. The 1.25” nosepiece is also threaded to accept 1.25“ astronomy filters. 

FEATURES

  • Two ED glass elements minimise chromatic aberration. 
  • All air-to-glass surfaces are fully multicoated for high contrast, high light transmission and minimal ghosting. 
  • Blackened lens edges reduce internal reflections and further increase contrast.
  • Six-element / four-group design minimises field curvature for a nice flat field. 
  • 16mm eye relief (suitable for spectacle wearers). 
  • Large 21mm eye-lens diameter for comfortable observing. 
  • Convenient screw-out eye cups. 
  • Tactile rubber grip for easy handling in the dark. 
  • 1.25“ nosepiece with milled safety undercut. 
  • Accepts 1.25“ astronomy filters. 
  • Suitable for use with telescope focal-ratios f/5 and above. 

Eyepiece Field of View Simulator

Customer reviews

Average Rating (6 Reviews):  
Write a Review and share your opinions!

Rating (max 5):  
5mm BST Starguider with Sky Watcher 200mm/8" 1200mm dob.
Thursday, 23 September 2021  | 

I spent several hours enjoying the views with this scope with it's supplied eyepieces then, during weeks of cloudy skies, I ventured down the rabbit hole of selecting some new eyepieces.
The Stargazers Lounge forum was incredibly helpful (thanks to FLO for sponsoring it) and led me to getting 5mm, 8mm and 15mm BST Starguider eyepieces, (giving 240x, 150x and 80x with this scope. I later added a 32mm plossl for low magnification.)

The difference is staggering! For a start the wider field of view (60deg) means less of the "looking down a long thin tube" effect at higher magnifications. To my eyes the images are bright, sharp and show very little distortion. This 5mm is about on the limit for magnification for our skies (Bortle 4, in theory) but, on those good-seing nights, it shows the finer detail of Jupiter, Saturn and the moon really well. It is ideal for splitting double stars too.
Even at this magnification (240x) It is still relatively easy to hand guide the dob.

For me and for this scope they have been an excellent (and inexpensive) upgrade. I thoroughly recommend them.

FLO's service, speed of response, quality of packaging and choice of courier are all excellent. (I live in France - express delivery took just 3 days!)


Rating (max 5):  
Stunning
Wednesday, 16 June 2021  | 

Thankfully my package didn't arrive with clouds and I was able to try them on the first night. I'm quite impressed. The fine detail I can see in the moon with my Heritage 130p is mind blowing compared to the eyepieces that came with the scope. And for the price (especially with the discounts of buying more than 1), I feel it's a great deal that anyone interested in expanding their eyepiece collection should take on.
Also, props to the FLO team for their professionalism and swiftness. I'll be returning here as a happy customer in the future.


Rating (max 5):  
5mm Starguider
Thursday, 22 April 2021  | 

Next day delivery as usual from FLO.
Using this eyepiece with my SW Startravel 102t. Impressed so far.


Rating (max 5):  
BST Starguider 5mm
Thursday, 11 March 2021  | 

Excellent value for money. Well made and look and feel as though would cost more. Optically they are good. Overall Im more than happy with this eyepiece and will be adding more to the kit.
Good service from FLO.


Rating (max 5):  
The best value for such money (as with all BST StarGuiders)
Tuesday, 19 January 2021  | 

Great optical performance, great FOV, great eye-relief and all that at great price!

Keep in mind that this is short-focal eyepiece. These eyepieces are more demanding - they're more sensible to the flaws of your scope (optical quality of your scope, collimation condition and so on) and (providing more magnification) more sensible to the sky conditions.


Rating (max 5):  
good !!
Wednesday, 20 February 2019  | 

Good eyepiece and great service! x 110 magnification on my APM SA100 Bino with these 5mm , a brief testing on the moon was pleasant , but soon the clouds took over the skies

FAQ

Please fill in the form below to ask a question.

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Q1. But aren't these the same as ........ ?

Probably... BST (BarSTa) Starguider ED eyepieces are available under a number of brands but we source them with their original factory name.

Q2. Are these noticably better than the 10 & 20mm eyepieces supplied with my telescope?

Yes. Definitely :-)

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