APM variable M48 (2" filter thread) extension from 14 to 18 mm

APM variable M48 (2" filter thread) extension from 14 to 18 mm

For perfect distance fine tuning 14-18mm tuneable
Manufacturer : APM
SKU : APM-TSM48vvar
Price: 59.90 € incl tax 19% (Germany)
Delivery date : 1-4 days
Product description
APMvariable M48 (2" filter thread) extension from 14 to 18 mm

- Custom-made -

For perfect distance fine tuning

Extension tubes are for reaching correct distances as often required by field flatteners or focal reducers. This variable extension allows fine tuning distance even for the fraction of a mm. Minimum length is 14 mm, maximum length 18 mm. M48 x 0.75 thread as internationally used for 2" filters.

The extension consists of three parts
  • Base with long male M48 thread
  • small counter ring with knurled outer part
  • Connection part with female M48 thread and M48 nosepiece

Turn the connection part until the desired extension length is reached. Now lock the counter ring and you have a solid extension with an individual length.

Delivery contents
  • Extension Ring M48 in 3 Parts
Products specifications
Weightca. 1.8 oz.
Connecting threadboth sides M48
Total length14-18mm tuneable

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