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Stephen Tonkin

Binocular astronomer

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Stephen Tonkin is an experienced binocular astronomer and astronomy communicator.

Recent articles by Stephen Tonkin

How-to-clean-binoculars
Advice

How to clean binoculars

Helios Stellar II 16x80 binoculars review
Binoculars for astronomy

Helios Stellar II 16×80 binoculars review

4.5 out of 5 star rating
ESA_Gaia_DR2_AllSky_Brightness_Colour_black
Skills

Astronomy star catalogues: which to use and when

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The Orion constellation: differences in colour give a very subtle hint as to how stars can be vastly different. Credit: Zdeněk Bardon/ESO
Advice

A guide to stellar spectral classifications

Opticron Oregon Observation 20x80 binoculars
Binoculars for astronomy

Opticron Oregon Observation 20×80 binoculars review

4.0 out of 5 star rating
£149 Price correct at time of review
Canon 14x32 IS binoculars
Binoculars for astronomy

Canon 14×32 IS binoculars review

5.0 out of 5 star rating
£1399 Price correct at time of review
how-collimate-binoculars
Advice

How to collimate binoculars

Opticron Adventurer II WP 10x42 binoculars review
Binoculars for astronomy

Opticron Adventurer II WP 10×42 binoculars review

4.0 out of 5 star rating
£99 Price correct at time of review
Binoculars for astronomy

Canon 12×36 IS III binoculars review

5.0 out of 5 star rating
£659.99 Price correct at time of review
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Opticron Adventurer 10x50 binoculars review
Binoculars for astronomy

Opticron Adventurer 10×50 binoculars review

4.0 out of 5 star rating
£59 Price correct at time of review
Celestron Binoculars Echelon 16x70
Binoculars for astronomy

Celestron Echelon 16×70 binoculars

4.0 out of 5 star rating
Vixen BT-ED70S-A binocular telescope
Binoculars for astronomy

Vixen BT-ED70S-A binocular telescope review

4.0 out of 5 star rating
£1995 Price correct at time of review