Explore Scientific Field Flattener f/5 to f/7 CEM This will aid in giving

This will aid in giving you more height protection for larger scopes

5" Crayford focuser with 1:10 dual speed: a treat to use during astrophotography

we have successfully launched the mass production of high-performance optical glass at the apex of the FCD family

5 objective lens for a crisp image and moderately fast light acquisition

FLT91 + 2"diagonal + eyepieces

Explore Scientific Field Flattener f/5 to f/7 CEM This will aid in givingThe explore scientific field flattener provides correction to Explore Scientific refractors F 5 to F 7 for a flat field and sharp, pinpoint stars in your images. On the telescope side, the flattener is a push fit 2" that is threaded to accept all standard 2" filters, such as light pollution narrowband filters. This fully multi coated flattener has a clear aperture of 38mm. The image circle at the standard 55mm backfocus distance is 42mm, ensuring full