Two-inch equalizer of field flatness (flattener) for refracts. Indispensable in astrophotography. • does not change the focal length of the optical system, ie 1x
• number of optical elements: 2, with an air gap
• clean aperture: 39 mm
• threads on the corrector: 2 "(M48x0.75) on both sides
• thread on the matrix side adapter: T2 (M42x0.75)
• number of components: 3 (corrector, extension, adjustable T2 adapter)
• length of individual elements:
- equalizer: 29 mm
- 2 "/ 2" extension: 15 mm
- adapter: 42 mm (including thread T2)
• total length: 86 mm
• total weight: 65 g
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