Beskrivelse
Artnr: 28743
Denne NiSi Step-Up Adapterring Brass gør det muligt at montere kameratilbehør med en større gevinddiameter end dit objektivs filtergevind. Den omdanner et 49mm objektivgevind, så det kan acceptere 58mm filtre og lignende tilbehør.
Brug step-up adapterringen, når du vil bruge et større filter på et objektiv med et mindre filtergevind. For eksempel betyder produktnavnet 49-58mm, at adapteren passer til et 49mm objektivgevind og accepterer et 58mm filtergevind. Den oprindelige tekst viser også et lignende eksempel: hvis du har et 77mm objektivgevind og vil montere et 82mm filter, vil du bruge NISI STEP-UP ADAPTERRING TI 77-82MM.
At kende de to gevindnumre hjælper dig med at vælge den korrekte adapterring. De mønstrede sider hjælper, når du monterer eller fjerner ringen i hånden, og antirefleksbehandlingen på indersiden er en specificeret egenskab ved denne NiSi messingring.
| Specification | Detail |
|---|---|
| Material | Brass |
| Lens thread (from) | 49mm |
| Filter thread (to) | 58mm |
| Inner surface | Anti reflective treatment |
| Sides | Knurled for firmer grip |
Question: Will this adapter let me use a larger filter on my lens?
Answer: Yes. This step-up ring allows you to fit a filter that has threads larger than your lens thread; the product converts a 49mm lens thread to accept 58mm filter threads.
Question: How do I read the thread numbers on a step-up ring?
Answer: The first number is your lens thread and the second is the filter thread. For example, 49-58mm means 49mm lens to 58mm filter. The original description also gives the 77-82mm example for clarity.
Question: What design features help when attaching the ring?
Answer: The ring is made of brass and features knurled sides for a firmer grip. It also includes an anti reflective treatment on the inside, as specified in the product details.