The SV209 1x flat field mirror is a specialized flat field mirror developed for our SV550 80F6 OTA, effectively improving the edge field curvature image quality problem of the SV550 OTA while maintaining the main mirror focal length and focal plane position unchanged. SV209 is equipped with M63 extension tube and M48 adapter ring, ensuring that the intercept of the flat field mirror is the astronomical conventional length of 55mm.
SV209 flat field mirror product specifications and characteristics:
Telescope connection interface: M63X1 external thread
Camera interface 1: M63X1 (internal thread distance from focal plane 103mm)
Camera interface 2: M48x0.75 (external thread distance from focal plane 91.5mm)
Optical structure: Two sets of two pieces
Magnification factor: 1x
Coating: SMC (Ultra Wideband Anti reflective Coating)
Length: 87.5 mm without external threads
Shell diameter: 67mm
Packing list: Flat field mirror body, M63 extension tube, M48 adapter ring, dust cover pair
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
