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Eyepiece selection based on exit pupil

amaury
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faulksy

faulksy

Posted
Posted
2 hours ago, bomberbaz said:

I got plenty of email off him, guys in russia apparently. 

Just send him an email and ask for an update mike, seemed like a decent sort.

he replied, saying i didnt make the payment. so do it again now steve 🤣

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mikeDnight
mikeDnight

If you observe using a blackout hood, you'll maximise your potential dark adaption and you could even exceed a 5mm exit pupil. Much of the trouble occurs as stray light hits the eye from the side. Jus

John
John

I agree that the APM XWA 20mm would be an excellent alternative to the 21mm Ethos and at considerably lower cost. Originally I had the Explore Scientific 20mm / 100 then had the opportunity to ob

Stu
Stu

I think you are perhaps missing the significance of the difference in exit pupil between these two. It’s not all about TFOV or mag. As @Deadlake says, the 30mm would give benefits from larger exi

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