Beskrivelse
Artnr: 28730
Denne NiSi Step-Up Adapterring Brass 49-77mm giver dig mulighed for at bruge kameratilbehør og filtre, som har en større gevinddiameter end dit objektivs filtergevind. Den giver en enkel måde at tilpasse objektiver med 49mm gevind, så de kan acceptere 77mm filtre og andre gevindmonterede tilbehør.
En step-up ring adapterer dit objektivs filtergevind til et større filtergevind. De to tal angiver gevindstørrelser: det første tal er objektivets gevind og det andet er filtergevindet. For eksempel betyder 49-77mm, at ringen passer et 49mm objektivgevind og giver et 77mm gevind til filtre og tilbehør.
Som et generelt eksempel, der findes i produktlitteratur: hvis du har et 77mm objektivgevind og ønsker at montere et 82mm filter, ville du bruge NISI STEP-UP ADAPTERRING TI 77-82MM. Dette demonstrerer den samme princip, som anvendes af 49-77mm-ringen.
| Specification | Details |
|---|---|
| Lens thread (first number) | 49mm |
| Filter thread (second number) | 77mm |
| Material | Brass |
| Inside treatment | Anti-reflective treatment |
| Grip | Knurled sides |
Question: Will this ring let me use a 77mm filter on my 49mm lens?
Answer: Yes. The 49-77mm step-up ring adapts a 49mm lens thread to accept 77mm filters and other threaded accessories.
Question: What does the inside anti-reflective treatment do?
Answer: The product includes an anti-reflective treatment on the inside of the ring to help manage stray light inside the adapter; this feature is part of the ring’s design.
Question: Is the ring easy to screw on and remove?
Answer: The knurled sides provide a firmer grip, making it easier to mount and remove the adapter by hand.
Question: Can I use this with any filter brand that has a 77mm thread?
Answer: Yes. The step-up ring provides a standard 77mm thread, so it is compatible with filters and accessories that use a 77mm threaded mount, provided those accessories use standard filter threads.