This doesn't affect operation at all. These flashes are hard to find as a complete boxed set like this and the Pentax adapter is a very rare item indeed. The Metz 45CL-4 digital Flash is a heavy-duty handle mount flash that through the use of SCA adapters can support the advanced TTL systems used with Auto Focus SLR cameras.
It has a guide number of 148' (45/M) at ISO 100 and it can cover 35mm lenses, or 28mm with the use of the wide-angle diffuser panel. Also, the head can tilt upward 90°, rotate left & right 180°. Along with TTL, these adapters can add slow, high-speed, 1st & 2nd curtain sync modes. This item is supplied as is however, as already mentioned, it is fully tested and working. I have owned all these items from new, they have been well looked after & stored correctly. Please see photos as these form part of the description. Please feel free to ask any questions. More photos can be supplied.Please check out my other auctions. This item is in the category "Cameras\Flashes & Flash Accessories\Flashes". The seller is "rpjallan" and is located in this country: AU. This item can be shipped worldwide.