Auxiliary/Conversion Lens Market Value
Analysis of 5,792 eBay listings for auxiliary and conversion lenses.
What you'll usually pay
💡 Used ones cost about 23% more here.
👉 In short easy summary
Value is highest in name-brand Nikon lenses (+102%) and German-made optics (+85%). Budget options are found in Vivitar brand lenses, which trade at 38% below the market median.
💚 Best value for your money
Price by brand
Why? Prices range from budget Vivitar options (14.99) to premium Nikon optics (49).
Price by type
Why? Extension tubes command a premium (34.2) compared to teleconverters (19.95).
Price by lens fitting
Why? Nikon F mounts (27) are more expensive than Canon FD mounts (15).
🛒 Some on sale right now
Common questions
What is the median price for a new conversion lens?
The median price for new items is 20.
Which brand offers the lowest median price?
Vivitar has the lowest median price at 14.99.
How do extension tubes compare in price to wide angle lenses?
Extension tubes have a median price of 34.2, while wide angle lenses are 20.
How we got these numbers
Worked out from 200 live eBay listings (price range $7–$190, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 6, 2026.