The Altair Astro M48 to T-Thread (M42) adapter adds 1mm to the optical-path and has a female M48x0.75mm thread on the rear telescope-side, which reduces to a male T2 (M42x0.75mm thread) on the camera side.
The adapter has more accurate thread cut than cheaper generic adapters, being machined to a high standard on a high speed computer controlled lathe.
It can therefore support a camera-load with reduced flex by comparison, which is important for imaging.
The M48 to T-Thread (M42) adapter is ideal for use with the Altair M48 spacer / extension tube system. An added advantage of using the M48 spacers with the T-Thread adapter is that they have a 2" OD barrel, which is compatible with the standard push-fit system in use on most telescopes today.
Another ideal use for the Altair M48 to T2 adapter is to attach any T2 accessory to the Planostar field flatteners as well as SkyWatcher flatteners from the Esprit and DS-Pro range that use the M48 thread,
Our standard delivery charge for most of the UK is £2.95. All orders are shipped promptly, lower value items are sent Royal Mail 1st class and higher value or larger goods are shipped via reputable courier. All goods are shipped fully insured with FEDEX, UPS, DPD and Royal Mail, we do not use budget courier services, please note we can only ship to UK mainland addresses. We are not able to ship to forwarding agents or PO boxes.
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We hold stock, dozens of telescopes and literally thousands of accessories that we ship out each business day, normally orders received before lunch are shipped that business day. We also direct ship from our UK suppliers, this means we have access to thousands of products that can ship fast to our customers.
Deliveries to UK mainland addresses are all shipped with fully insured premium services for £2.95, *some exceptions apply including many AB, FK, HS, IV, KA, KW, PA, PH, ZE postcodes. We will quote delivery charges to these areas where applicable prior to shipping (this does not normally affect lower value items shipped by Royal Mail).
You must inform us within one working day if the goods are lost or damaged in transit so that we can make a prompt claim against the delivery company and correct the problem. Please ensure all address details are accurate, we cannot be responsible for failed deliveries or losses arising from incorrect delivery addresses.
You agree that proof of delivery supplied by our delivery company is sufficient evidence to establish that goods have been received.
If your product is sent by Courier they will attempt delivery twice and a signature will be required. If they are unable to deliver because you are not available and after 5 days you have not contacted them to re-arrange. the goods will be returned to us and the return delivery costs may be charged to you