Adjustable Aperture 1.5-26mm Iris Diaphragm M30 to M37 Camera Lens Module DIY Retrofit Adapter Ring - AliExpress
High Quality Adapter Ring M37-M42 full tooth ring M37 * 0.75 M42 * 1 internal thread M37 M42 external thread M42
M37-K Mount Adapter (ZZV3WVBWS) by Ryo_MROpt
APM Telescopes. TS-Optics Optics Adapter M37 - T2 - camera connector to BW spotting scopes - digiscoping
M37-M42 M37 x 0.75 Female to 42mm x 1 Male Screw Camera Lens adapter
Adjustable Iris Diaphragm Aperture Module Camera Lens Adapter 1.5-29mm M30 to M37 M42 to M42 Camera Lens Module Adapter Ring - AliExpress
Adjustable Aperture 1.5-26mm Iris Diaphragm M30 to M37 Camera Lens Module DIY Retrofit Adapter Ring - AliExpress
Amazon.com : Adjustable Iris Aperture Diaphragm M30 to M37 Iris Aperture Diaphragm Adapter Optical Diaphragm 1.5-26mm Lens Module Adapter Ring PVS-14 PSV14 Optics : Electronics
1.5-26mm Adjustable Iris Diaphragm M30 to M37 Camera Lens Module Adapter Ring | eBay
High Quality Adapter Ring M37-M42 full tooth ring M37 * 0.75 M42 * 1 internal
M37-M42 Mount Adapter (KJAFDSXNR) by Ryo_MROpt
Amazon.com : Adjustable 1.5-26mm Iris Diaphragm M30 to M37 Camera Lens Module Adapter Ring : Electronics
Asahi Pentax Takumar 83mm F/1.9 Lens for M37 Mount w/ M42 Adapter from Japan (C1749) | Big Fish J-Camera (Big Fish J-Shop)
Adjustable Iris Diaphragm Aperture Module Camera Lens Adapter 1.5-29mm M30 to M37 M42 to M42 Camera Lens Module Adapter Ring - AliExpress
Iris Diaphragm M30 to M37 Aperture Night Vision Scope Objective Lens Module Camera Retrofit Adapter Ring 1.5-26mm Adjustable - AliExpress
M37 to M42 37mm 42mm (Asahiflex Lens to M42 Lens) adapter Ring | eBay
M37 to M42 37mm 42mm (Asahiflex Lens to M42 Lens) adapter Ring | eBay
![RARE] Asahi Pentax Takumar 83mm F/1.9 for M37 Mount w/ M42 Adapter from Japan | eBay](https://i.ebayimg.com/images/g/nK0AAOSw4rxfBSxI/s-l1200.webp "RARE] Asahi Pentax Takumar 83mm F/1.9 for M37 Mount w/ M42 Adapter from Japan | eBay")
RARE] Asahi Pentax Takumar 83mm F/1.9 for M37 Mount w/ M42 Adapter from Japan | eBay
M37 37x0.75mm Female to M42 42x1mm Male M37-M42 Thread All Mount Adapter Ring | eBay
M 37 lens to M 42 body adapter?? - PentaxForums.com
M37 to M42 37mm 42mm (Asahiflex Lens to M42 Lens) adapter Ring | eBay
![RARE] Asahi Pentax Takumar 83mm F/1.9 for M37 Mount w/ M42 Adapter from Japan | eBay](https://i.ebayimg.com/images/g/zcsAAOSwZPpfBSxL/s-l400.jpg "RARE] Asahi Pentax Takumar 83mm F/1.9 for M37 Mount w/ M42 Adapter from Japan | eBay")
RARE] Asahi Pentax Takumar 83mm F/1.9 for M37 Mount w/ M42 Adapter from Japan | eBay
![RARE] Asahi Pentax Takumar 83mm F/1.9 for M37 Mount w/ M42 Adapter from Japan | eBay](https://i.ebayimg.com/images/g/YvoAAOSwD45fBSxD/s-l1600.jpg "RARE] Asahi Pentax Takumar 83mm F/1.9 for M37 Mount w/ M42 Adapter from Japan | eBay")
RARE] Asahi Pentax Takumar 83mm F/1.9 for M37 Mount w/ M42 Adapter from Japan | eBay
For Sale - Sold Genuine vintage Asahi Pentax M37-M42 converter ring with original box - PentaxForums.com
