In the case that this article currently is not available from the warehouse, please note the following: we order from this supplier in regular intervals. Please place your order now, so that we may take into account your order and deliver the article to you by the above-mentioned date. If you need the article earlier, we can rush it for you for an additional price. In this case, please contact our customer service department.
The extender is screwed directly into the 1.25" thread on the bino-viewer. It can also be used together with the OCA/1.6X Barlow lens, which is included in delivery with the 'bino-viewer plus accessories package'.