APM RICCARDI APO 1x FLATTENER FOR LONG REFRACTORS
APM
APM RICCARDI APO 1x FLATTENER FOR LONG REFRACTORS is backordered and will ship as soon as it is back in stock.
The APM Riccardi 1.0x Apo Flattener Model 2 is a high quality triplet ED flattener for long apochromatic refractors. This model is suitable for refactors with focal ratios from f/7 and slower and focal lengths above 1000mm.
Designed by legendary optical designer Massimo Riccardi, this flattener provides a fully illuminated field of 60mm. It features exceptionally good correction of longitudinal and transverse aberrations with truly apochromatic performance. It has a large backfocus distance requirement of more than 115mm, making it possible to use a wide range of accessories such as rotators and off-axis guiders.
The APM Riccardi Flattener features state-of-the-art multi-coatings optimized for the spectral range of modern sensors.
Specifications
| Telescope side connection |
M82 x 1 male |
|---|---|
| Camera side connection |
M68 x 1 female, M77 x 0.75 female |
| Backfocus distance | >115 mm (see "Backfocus" tab) |
| Coating |
Multi-coating |
| Reduction factor |
1.0 x |
| Illumination |
60 mm |
| SKU | APM-RIFLAT2 |
Backfocus
| APM LZOS 130 / 1200 with 3" or bigger focuser | 126.6 mm from end of threads |
|---|---|
| APM LZOS 152 / 1200 with 3" or bigger focuser | 125.9 mm from end of threads |
| Sky-Watcher Esprit 150 |
125 mm from end of threads |
