Thanks but it’s not a step ring per se. It’s more an adaptor/coupling.All you need is a 39mm - 49mm step-up ring
39mm to 49mm 39-49 39-49mm 39mm-49mm Stepping Step Up Lens Filter Ring Adapter | eBay
if they wont make you one no one willMight be worth getting in touch with SRS Griturn (or whatever they're called these days!) and asking them.
Might be worth getting in touch with SRS Griturn (or whatever they're called these days!) and asking them.
Ah, SorryThanks but it’s not a step ring per se. It’s more an adaptor/coupling.
I want external threads on both sides. A step ring has an external & internal thread.
Ah yes, that’s it. Thanks, that looks perfectIs something like this what you need in conjunction with a step up 39-49 M to F
Pixco 49mm Male to 49mm Male Marco Reverse Coupling Ring Adapter Lens Reversing Ring (49mm-49mm): Amazon.co.uk: Electronics & Photo
Free delivery and returns on eligible orders. Buy Pixco 49mm Male to 49mm Male Marco Reverse Coupling Ring Adapter Lens Reversing Ring (49mm-49mm) at Amazon UK.www.amazon.co.uk
There are also 39 to 49 m to m coupling adapters for macro/reverse rings
cant copy the link but if you search for this on ebay uk
MACRO REVERSE COUPLING RING 39MM / 49MM MALE/MALE - KNURLED EDGE - GOOD