امتداد ملولب Apex ED Esprit 120/150

Finally got the spacing dialed in for my Esprit 150 with the ApexED reducer, and this extension let me thread everything securely without any wobble. The machining is precise enough that the optical axis stayed perfectly centered, which made a huge difference in my edge stars.

The threads on this extension are incredibly smooth, which made dialing in the exact back focus for my Esprit a breeze. I've been struggling with star shapes for weeks, and this finally got everything locked in perfectly.

Finally got the spacing right for my Esprit 120 — this extension lets the reducer sit at the perfect distance. The threads are smooth and lock up tight with no wobble at all.