Fotodiox Lens Adapter Astro Edition - Compatible with 48mm (x0.75) T-Mount Wide Field Telescopes to Sony Alpha A-Mount (Minolta AF) Mount D/SLR Cameras for Deep Space Astro-Photography extenders 2Incident Exposure Reading ~ ISO100

2Incident Exposure Reading ~ ISO100 1/60 f/1 (Sekonic L-358 @ 1m)

Lens Mount Bronica GS-1 (PG) Mount SLR Lens Body Mount Mamiya 645 (M645) Mount Cameras Product Dimensions 3

Mounts M42 Screw Mount SLR Lenses to Sony E-mount mirrorless cameras

Slip on the purple ColorTint ring

Fotodiox Lens Adapter Astro Edition - Compatible with 48mm (x0.75) T-Mount Wide Field Telescopes to Sony Alpha A-Mount (Minolta AF) Mount D/SLR Cameras for Deep Space Astro-Photography extenders 2Incident Exposure Reading ~ ISO100Description Specs Compatibility Notes Product Highlights: Designed with Astro Photographers in Mind for Wide Field, Deep Space Astro Photography Versatile, Dependable, Adaptable Add Style & Character to your Image Precise Fit and Solid Connection; Lens Has No Play, Gap or Wiggling When Mounted on Adapter and No Adjustments Required Precision All Metal Construction with Chrome Plated Brass Mounts for Secure and Solid Fit Limited 2 Year Manufacturer