The T2/T2 external-external thread extension helps to convert a parent (internal thread) device into an external thread. Between the two external threads is a 2 mm wide buffer ring, increasing the light path by this much.
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Astronomy
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- Astronomical telescopes
- Telescope mounts
- Eyepieces
- Guide and astrocamera
- Filter
- Filter wheel, filter drawer
- Barlow lens
- Solar telescope
- Finderscopes
- Adapter
- Telescope diagonals
- Power supply
- Mount accessory
- Collimation
- Focal reducer, corrector
- Accessories for ZWO Seestar smart telescope
- Binoviewer
- Accessory for astrophotography
- Dew remover
- Storage
- Miscallenious
Nature observation
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- Binoculars
- Monoculars
- Spotting scopes
- Photo tripod
- Accessories for nature observation
Hunting
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- Thermal imaging device
- Flashlight
- Accessory for flashlight
- Battery
- Accessory for nightvision and thermal devices
Microscopy
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- Biological microscope
- Stereo microscopes
- Digital microscopes
- Microscope camera
- Prepared slides
- Microscope optical accessory
- Microscope accessory
Information
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- Loyalty program
- General terms and conditions
- Service worksheet form
- Customer withdrawal form
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