With an ultra-fast focal ratio of f/3.9, a primary mirror of 208mm/8-inch aperture, a big 85 mm secondary mirror (which prevents vignetting for optimal illumination of large imaging sensors) and a fully-laden tube weight of just 9.8kgs, the Explore Scientific 208mm f/3.9 Photo Newtonian - Carbon Hexfocus has been designed with astrophotography in mind.
The excellent 2.5" Hexafoc DeLuxe focuser does not cause vignetting due to its large diameter and the 10:1 dual speed focus wheel arrangement makes accurate focusing simple and straightforward. The Hexafoc's low profile rack and pinion design supports much more weight than many Crayford-style focusers, without sacrificing smoothness of focus travel. The image shift-free operation of the Hexfoc sets new standards for focusers in this price class, mostly due the the Hexafoc's hexagonal cross section drawtube, which evenly supports the drawtube no matter what orientation in the sky the telescope is pointed towards. The maxium full inward focus travel of this focuser is 60mm, leaving room for accessories such as low profile filter wheels and off axis guiders.
The PN208 Carbon Mark II Hexafoc also stands out due to its low weight - 1.4 kg less than Explore Scientific's version with the aluminium tube - making this telescope both easy on mounts and on the user for transportation. The fact that PN208's carbon fibre tube also minimises temperature shift in the focus position during long exposures is another definite plus point for the dedicated astrophotographer. The telescope is also supplied in a carry bag for ease of transportation and storage.
Fast high end Photographic Newtonian with carbon fibre tube
Focal Ratio: f/3.9 with 2.5" Hexafoc
Aperture: 208mm; Focal Length: 812mm f/3.9
Excellent 2.5" Hexafoc Deluxe Focuser
Low weight due to carbon fibre tube
Low Thermal expansion due to carbon fibre tube
What's in the box:
OTA + Carry Bag + Finder + Tuberings
2.5" Hexafoc focuser with 10:1 reduction
Handle with camera mounting feature - Universal 44mm Dovetail plate with stainless steel rail (fits Vixen/Skywatcher/Bresser/Explore Scientific)
Perfect combination with the Explore Scientific HR Coma Corrector
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.
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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