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Altair Premium Positive-Lock Diagonal - Dielectric 2 inch Pushfit The Altair 2" premium diagonal with positive-lock system grips 2" accessories tightly with a small rotation of the top knurled ring, keeping them precisely centred. The CNC machined chassis will hold extra heavy accessories without flexing, and the mirror features a premium 99% reflective dielectric-coating. Ideal for refractors and large eyepieces or binoviewers, the positive-lock has a very light action and only needs a small 20 degree rotation, letting you quickly replace accessories. There's no need to apply excessive force on thumbscrews or normal twist-lock mechanisms to insert accessories. Once you've tried it, you won't want to use any other diagonal again, it's that easy. Other features: Includes a 2" to 1.25" adapter with compression ring for smaller eyepieces. The 2" Pushfit barrel is precision machined and is threaded for use with standard 2" astro filters (M48x0.75mm thread). Blackened interior for high contrast observation of bright objects. A scratch resistant chemically stable dielectric mirror coating enables more frequent cleaning than softer aluminium-coated mirrors. Super-hard black anodising for extra durability. Includes dust caps for both ends, and a foam filled box. Scope of Delivery: Altair Premium Positive-Lock Diagonal - Dielectric 2 inch Pushfit Specifications: Filter thread: 2" / M48 Connection to eyepiece: 2" and 1.25" compression ring Connection to telescope: 2" with integrated M48 Thread Weight: 500g

Item condition: new and original packed

149.00 €
Estimated delivery time : 2-3 days
 
 
Takahashi Stardiagonal mirror 2" incl. adapter 2"/1.25"

Item condition: new and original packed

514.00 €
Estimated delivery time : 2-3 days
 
 
Skywatcher - 1,25" Star Diagonal 90º

Item condition: new and original packed

48.00 €
Estimated delivery time : 1-2 days
 
 
APM 2 inch star diagonal mirror with 99% di-electric coating with fast-lock

Item condition: new and original packed

179.00 €
Estimated delivery time : 1-4 days
 
 
APM 2 inch Diagonalprism with Fast-Lock and Ultra Broadband Coating

Item condition: new and original packed

219.00 €
Estimated delivery time : 1-4 days
 
 
LuntSolarSystems - Calcium Blocking Filter Modul with B1200 - 2'' in extension tube with T2 and 2'' connection

Item condition: new and original packed

2399.00 €
Estimated delivery time : 1-4 days
 
 
LUNT B1200d2 Blocking-Filter in 2 inch zenith mirror diagonal

Item condition: new and original packed

1299.00 €
Estimated delivery time : 2-3 days
 
 
Lunt Blockfilter B400 in 2"-diagonal

Item condition: new, but not original packed

425.00 €
Estimated delivery time : 2-3 days
 
 
Coronado 1.25" Hot Mirror , 1.25" diagonal with red glas filter. The diagonal hot mirror is likely a dichroic mirror that acts just like a long-pass filter, reflecting a percentage of the Ha and transmitting/absorbing shorter wavelengths. it was delivered with Coronados BF 30 straight block filter

Item condition: new, but not original packed

145.00 €
Estimated delivery time : 2-3 days
 
 
EXPLORE SCIENTIFIC SUN CATCHER SOLAR FILTER FOR 150-160MM TELESCOPES Explore Scientific's Sun Catcher Variable Large Aperture Solar Filters are available in many sizes to work on most telescopes from 60mm up to 10-inch Schmidt-Cassegrain and of course all Bresser and Explore Scientific Telescopes. The Solar Filter material being used is the new advanced 'Solarlite' Film manufactured by world famous Thousand Oaks Optical through years of research and development. 'Solarlite' a new solar film that has the optical quality of glass with the advantages of impregnated polymer. Perfect also for the solar astrophotographer. NOTE: All Explore Scientific Solar Equipment is rated ISO12312-2 and CE-certified supplied by Thousand Oaks Optical and approved for direct observation of the Sun. SPEZIFICATIONS Special objective filter for safe solar observations CE-certified and ISO12312-2 rated Field-stop diameter 127mm Fits to outer telescope tube diameter from 150-280mm Quick individual match with your telescope diameter Fast Setup - Easy Use SCOPE OF DELIVERY Sun Catcher solar filter

Item condition: new and original packed

41.90 €
Estimated delivery time : 2-3 days
 
 
LUNT blue glass 20mm for B400 to B1800 blocking filter ; Spare part, cannot be used individually Only for blocking filters from Lunt Solar Systems Only for B400, B500, B600, B1200 and B1800 Not suitable for B3400

Item condition: new and original packed

15.00 €
Estimated delivery time : 2-3 days
 
 
Euro EMC visual Solar Filter - D= 96 mm, for 103-144 mm telescope tubes

Item condition: new and original packed

63.00 €
Estimated delivery time : 1-4 days