Specification Brand : BOGEEL BulletPoint1 : The extension tube set is used to obtain the correct image focal length or exact spacing required, therebysolving the spacing problem in astrophotography. BulletPoint2 : By combining multiple extenders of different lengths, you get the right focal length to focuswith the camera or eyepiece. BulletPoint3 : The M42x0.75 threadson both ends make it versatile. External thread M42x 0.75; internal thread M42x0.75; BulletPoint4 : All metal construction and anodizing aluminium process; for long time use. BulletPoint5 : The required spacing can be achieved by combining several T2-Extension Tube of different length;you can use 1 piece;2 pieces;3 pieces ;4 piece;5 piece;6 piece of the extension tubes as you like. BulletPoint6 : The Product Made Of A High Quality. It Is Not Easy To Break, Durable For Long Time Use. BulletPoint7 : Guaranty:Any Dissatisfaction, Pls Feel Free To Contact Us. Color : As Show ExternallyAssignedProductIdentifier : 7665960427835 ExternallyAssignedProductIdentifier1 : 0787439615745 ExternallyAssignedProductIdentifier2 : 787439615745 GpsrSafetyAttestation : 1 ItemName : BOGEEL Adjustable Extension Tubes M42x0.75 Both Sides for Cameras Focal Length 3mm 5mm 10mm 15mm 20mm 30mm ItemPackageDimensions_Height : 9.3 centimeters ItemPackageDimensions_Length : 2.3 centimeters ItemPackageDimensions_Width : 9.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-extension-tubes Manufacturer : BOGEEL Material : Aluminum alloy ModelName : for Sony 135mm F1.8 135GM FE1.8 ModelNumber : EF-EOS R2 TUBE NumberOfItems : 30 PartNumber : 7HH507025_BOGEEL ProductDescription : Features: The extension tube set is used to obtain the correct image focal length or exact spacing required, therebysolving the spacing problem in astrophotography. By combining multiple extenders of different lengths, you get the right focal length to focuswith the camera or eyepiece. The M42x0.75 threadson both ends make it versatile. External thread M42x 0.75; internal thread M42x0.75; All metal construction and anodizing aluminium process; for long time use. The required spacing can be achieved by combining several T2-Extension Tube of different length;you can use 1 piece;2 pieces;3 pieces ;4 piece;5 piece;6 piece of the extension tubes as you like.
Note: Due to the problems of lighting effectsand angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.