Improve your observation capabilities with the HD reducer from Vixen, designed to provide exceptional contrast and impressive light transmission. Developed for the high-end astrograph VSD100F3.8, this reducer is a must-have for astronomy enthusiasts.

Features :

• Light transmission of up to 99.9% per lens
• Focal length reduction by a factor of 0.79x (f/7.7 to f/6.1)
• Image of excellent sharpness across the entire image circle (44 mm diameter)
• Compatible with SD81S, SD103S, SD113S, AX103S and VC200L telescopes
• AS coating for optimal light transmission

Benefits :

• Superior image quality due to advanced optical treatment
• Reduces residual images, light loss, and flares
• Suitable for full-frame DSLR cameras for more versatility

Compatibility :

• Can be used with the HD flattener kit (ref. 37246) and SD telescopes

Tips and tricks :

• Use with a dust cap to keep lenses clean between observation sessions.