The T Thread to 1.25″ Helical Fine Focuser with 6mm range has optical depth ranges from 28mm to 34mm The base is a female T thread.
1.25″ eyepieces & nosepieces are held by a brass compression ring, tensioned by three screws.
You can achieve precise focusing with Schmidt Cassegrain and Maksutov scopes especially, one turn gives just 4mm of focus travel.
Perfect for visual use and for making spotting scopes and guiders from lenses, when used with the right adapters.
The Focuser top rotates, this needs to be considered when used with cameras.
Prices include postage to all mainland UK addresses, except where indicated. Larger items may attract a surcharge for off shore or remote locations.
When your item is dispatched, you will receive an email from our shopping cart saying ‘Your order is complete’
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Website prices DO NOT include International delivery costs unless specified.
We are happy to ship to most countries. We use a variety of Royal Mail and Courier services, depending on the weight, size, value and urgency of your order.
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Some items which are particularly popular with overseas purchasers already display, in the purchase menu, combined purchase and shipping costs to various regions adjusted for UK VAT (sales tax) where necessary.
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