Barlow & Extender

Televue 2.5x 1.25" PowerMate HK$1,990.00 HK$1,690.00

Al Nagler's 4-element concept, continues the tradition of full-field sharpness with optimum aberration control. Like long eye-relief? Retain the eye-relief of long focal length eyepieces, while at high power. Enjoy, for...

Televue 2x 2" PowerMate HK$3,090.00 HK$2,490.00

Al Nagler's 4-element concept, continues the tradition of full-field sharpness with optimum aberration control. Like long eye-relief? Retain the eye-relief of long focal length eyepieces, while at high power. Enjoy, for...

Televue 4x 2" PowerMate HK$3,190.00 HK$2,590.00

Al Nagler's 4-element concept, continues the tradition of full-field sharpness with optimum aberration control. Like long eye-relief? Retain the eye-relief of long focal length eyepieces, while at high power. Enjoy, for...

Televue 5x 1.25" PowerMate HK$1,990.00 HK$1,690.00

Al Nagler's 4-element concept, continues the tradition of full-field sharpness with optimum aberration control. Like long eye-relief? Retain the eye-relief of long focal length eyepieces, while at high power. Enjoy, for...