TeleVue Powermates

Barlow lenses increase the eye-relief which can be an advantage with cheaper eyepieces that have poor eye-relief on their own. However, with longer focal length eyepieces, especially modern ones designed to have good eye-relief, a Barlow lens can push the exit pupil too far from the eyepiece causing vignetting and making the combination hard to use.TeleVue's Powermates were designed to overcome this problem. They preserve the original eye-relief and are especially good for imaging as well as visual use.

2x, 2" Powermate Ref: TV-PMT-2200

TeleVue PMT-2200

This new model is nearly parfocal (unlike the Big Barlow/Interface combination) so can be used effectively in 2" diagonals. Its performance is excellent with every 1.25" and 2" eyepiece made by TeleVue, even the 31mm Nagler Type 5. Both the 2" eyepiece and the special 2"-1.25" low-profile adaptor use TeleVue's brass clamp rings for secure, non-marking operation.

It also has a unique feature; you can unscrew the 2" eyepiece housing and screw on a special T-ring adaptor for solid, compact attachment of a CCD or film camera.

Price: £265.00 (Including VAT at 20%)

Related products:

1. 2x, 2" PMT T-ring Adaptor (Ref: TV-PTR-2200)

2.5x Powermate Ref: TV-PMT-2513

TeleVue PMT-2513

2.5x Powermate for 1.25" Focusers.

Now comes ready to take a T-ring for astrophotography as well.

Price: £175.00 (Including VAT at 20%)

Related products:

1. T-ring adaptor for 1.25" Powermates (Ref: TV-PTR-1250)

2" 4x Powermate Ref: TV-PMT-4201

TeleVue PMT-4201

2" 4x Powermate with 1.25" adaptor, brass clamp ring and filter threads. Accepts PTR-4201 adaptor to connect via a T-ring to an SLR body or CCD Camera.

Price: £280.00 (Including VAT at 20%)

Related products:

1. T-ring Adaptor for 2" 4x Powermate (Ref: TV-PTR-4201)