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Black cylindrical 2 inch Powermate with brass clamp rings and low profile adapter

Tele Vue

Tele Vue 2x Powermate 2 Inch Image Amplifier PMT-2200

SKU CH-PD4M-GZ84D

A 2× telecentric image amplifier for 2″ eyepieces that minimises vignetting and works with Hydrogen-alpha filters

  • Minimised vignetting and edge aberrations with long focal length eyepieces
  • Telecentric design keeps rays parallel for optimal Hydrogen-alpha filter use
  • High-performance amplification suited for CCD and film planetary imaging
  • Near-parfocal operation with consistent magnification across visual and imaging setups
  • Brass clamp rings on 2" holder and low-profile adapter protect eyepieces from scratches

2x Powermate 2" Image Amplifier

The Tele Vue PMT-2200 is a 2x telecentric image amplifier designed for 2" focusers and diagonals. It serves visual observers and astrophotographers who want higher magnification without the pupil shift or vignetting typical of conventional Barlow lenses. Its near-parfocal performance preserves focus when swapping eyepieces.

Flexible integration for visual and imaging

The unit accepts every 1-1/2" or 2" eyepiece in the Tele Vue range, including the 31 Nagler Type 5. A low-profile 2"-1-1/2" adapter with brass clamp rings secures eyepieces without marring barrels. For imaging, the 2" housing unscrews to reveal threads for a dedicated T-ring adapter, allowing direct camera attachment at the full 2x factor.

Telecentric optics for stable illumination

Telecentric operation keeps field rays parallel to the optical axis, a critical advantage when using narrowband filters such as Daystar Hydrogen-alpha models. Edge aberrations and vignetting are minimised even with long focal length eyepieces. Magnification remains essentially constant regardless of image distance behind the top surface, delivering consistent results across visual and photographic configurations.

Highlights

  • Minimised vignetting and edge aberrations with long focal length eyepieces
  • Telecentric design keeps rays parallel for optimal Hydrogen-alpha filter use
  • High-performance amplification suited for CCD and film planetary imaging
  • Near-parfocal operation with consistent magnification across visual and imaging setups
  • Brass clamp rings on 2" holder and low-profile adapter protect eyepieces from scratches

Specifications

No published specifications for this item yet.

Questions about this item

How much does magnification change if I add extension tubes behind the 2x Powermate?

Magnification stays nearly constant regardless of image distance behind the top surface, unlike the 5x model which increases 1x for every 35mm of added distance.

Does the 2x Powermate run hot or make noise during all-night imaging sessions?

The unit is a passive optical amplifier with no electronics, fans or moving parts, so it generates no heat or noise during extended use.

Which eyepieces and diagonals do I already need to use this 2" Powermate?

It accepts any 1-1/2" or 2" eyepiece, reaches near-parfocal focus in 2" star diagonals, and includes a low-profile 2"-1-1/2" adapter with brass clamp rings.

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