Specification Brand : BORDSTRACT BulletPoint1 : Universal Compatibility: The threaded M42x0.75 adapter fits 2-inch telescopes, while the T2 adapter ring works seamlessly with PENTAX SLR K cameras. Versatile and practical for various setups. BulletPoint2 : Telescope Moudel Applications: Compatible with popular telescope moudels like 5SE, 6SE, 8SE, C5, C8, C9.25, C11, and C14. Perfect for CELESTRONes S interface primary mirrors. BulletPoint3 : Effortless Installation: Precise fit and firm connection—no adjustments needed. Install the telescope adapter and T2 ring seamlessly. User-friendly and convenient. BulletPoint4 : Durability Aluminum Alloy: Crafted from premium aluminum alloy, this adapter won’t fade and won’t harm telescope threads. Enjoy long-lasting performance. BulletPoint5 : Versatile Applications: Precisely engineered for solid fit and tight bonding. Ideal for capturing the moon, gas nebulae, and galaxies. Expand your astrophotography possibilities. ItemName : BORDSTRACT Telescope Photo Adapter, T2 T Ring and M42x0.75 Telescope Adapter for PENTAX SLR K Camera ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 12 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : telescope-photo-adapters Manufacturer : BORDSTRACT ModelName : BORDSTRACTdug9k6itoq ModelNumber : BORDSTRACTdug9k6itoq PartNumber : BORDSTRACTdug9k6itoq ProductDescription : Item Type: Telescope Photo Adapter Material: Aluminum alloy Weight: Approx. 117g/4.1oz Adapter Thread: outside, M42x0.75mm (commonly known as T2 thread) Connection Ring Thread: internal, 2 inch 3/8 inch thread (commonly known as S thread) Compatible Moudels: for PENTAX SLR K camera